./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d 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/nla-digbench-scaling/sqrt1-ll_unwindbound50.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6c37a77a9f4db0db15bb3c5a5baacfcd5e1536d243d9987efda949cfc27e3fb7 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 04:54:16,501 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 04:54:16,566 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 04:54:16,569 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 04:54:16,569 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 04:54:16,591 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 04:54:16,594 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 04:54:16,595 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 04:54:16,595 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 04:54:16,596 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 04:54:16,596 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 04:54:16,597 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 04:54:16,597 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 04:54:16,597 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 04:54:16,598 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 04:54:16,598 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 04:54:16,600 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 04:54:16,600 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 04:54:16,600 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 04:54:16,601 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 04:54:16,601 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 04:54:16,601 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 04:54:16,601 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 04:54:16,604 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 04:54:16,604 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 04:54:16,605 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 04:54:16,605 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 04:54:16,605 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 04:54:16,605 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 04:54:16,605 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 04:54:16,605 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 04:54:16,606 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 04:54:16,606 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 04:54:16,606 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 04:54:16,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:54:16,606 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 04:54:16,606 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 04:54:16,606 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 04:54:16,606 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 04:54:16,607 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 04:54:16,607 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 04:54:16,607 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 04:54:16,607 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 04:54:16,607 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 04:54:16,608 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c37a77a9f4db0db15bb3c5a5baacfcd5e1536d243d9987efda949cfc27e3fb7 [2024-11-17 04:54:16,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 04:54:16,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 04:54:16,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 04:54:16,827 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 04:54:16,827 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 04:54:16,828 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound50.c [2024-11-17 04:54:18,204 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 04:54:18,365 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 04:54:18,366 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound50.c [2024-11-17 04:54:18,372 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3775456d/8d9189f9f22a4b80a5e4fad0e9620b17/FLAGab324ab69 [2024-11-17 04:54:18,383 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3775456d/8d9189f9f22a4b80a5e4fad0e9620b17 [2024-11-17 04:54:18,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 04:54:18,386 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 04:54:18,387 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 04:54:18,388 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 04:54:18,392 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 04:54:18,392 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:54:18" (1/1) ... [2024-11-17 04:54:18,393 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bb25e9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:54:18, skipping insertion in model container [2024-11-17 04:54:18,393 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:54:18" (1/1) ... [2024-11-17 04:54:18,408 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 04:54:18,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:54:18,565 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 04:54:18,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:54:18,591 INFO L204 MainTranslator]: Completed translation [2024-11-17 04:54:18,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:54:18 WrapperNode [2024-11-17 04:54:18,592 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 04:54:18,593 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 04:54:18,593 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 04:54:18,593 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 04:54:18,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:54:18" (1/1) ... [2024-11-17 04:54:18,603 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:54:18" (1/1) ... [2024-11-17 04:54:18,618 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 99 [2024-11-17 04:54:18,618 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 04:54:18,619 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 04:54:18,619 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 04:54:18,619 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 04:54:18,632 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:54:18" (1/1) ... [2024-11-17 04:54:18,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:54:18" (1/1) ... [2024-11-17 04:54:18,633 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:54:18" (1/1) ... [2024-11-17 04:54:18,645 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]. [2024-11-17 04:54:18,646 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:54:18" (1/1) ... [2024-11-17 04:54:18,646 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:54:18" (1/1) ... [2024-11-17 04:54:18,648 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:54:18" (1/1) ... [2024-11-17 04:54:18,648 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:54:18" (1/1) ... [2024-11-17 04:54:18,649 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:54:18" (1/1) ... [2024-11-17 04:54:18,650 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:54:18" (1/1) ... [2024-11-17 04:54:18,677 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 04:54:18,678 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 04:54:18,678 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 04:54:18,678 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 04:54:18,679 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:54:18" (1/1) ... [2024-11-17 04:54:18,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:54:18,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:54:18,743 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) [2024-11-17 04:54:18,756 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 [2024-11-17 04:54:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 04:54:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 04:54:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 04:54:18,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 04:54:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-17 04:54:18,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-17 04:54:18,849 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 04:54:18,851 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 04:54:19,140 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2024-11-17 04:54:19,140 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 04:54:19,162 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 04:54:19,162 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 04:54:19,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:54:19 BoogieIcfgContainer [2024-11-17 04:54:19,163 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 04:54:19,166 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 04:54:19,166 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 04:54:19,169 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 04:54:19,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 04:54:18" (1/3) ... [2024-11-17 04:54:19,169 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62510d14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:54:19, skipping insertion in model container [2024-11-17 04:54:19,170 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:54:18" (2/3) ... [2024-11-17 04:54:19,170 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62510d14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:54:19, skipping insertion in model container [2024-11-17 04:54:19,170 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:54:19" (3/3) ... [2024-11-17 04:54:19,171 INFO L112 eAbstractionObserver]: Analyzing ICFG sqrt1-ll_unwindbound50.c [2024-11-17 04:54:19,184 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 04:54:19,184 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 52 error locations. [2024-11-17 04:54:19,233 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 04:54:19,238 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;@23ea7e0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 04:54:19,238 INFO L334 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2024-11-17 04:54:19,241 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 69 states have (on average 1.8115942028985508) internal successors, (125), 121 states have internal predecessors, (125), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 04:54:19,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-17 04:54:19,245 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:54:19,246 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-17 04:54:19,246 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-17 04:54:19,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:54:19,250 INFO L85 PathProgramCache]: Analyzing trace with hash 4739679, now seen corresponding path program 1 times [2024-11-17 04:54:19,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:54:19,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418496771] [2024-11-17 04:54:19,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:54:19,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:54:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:19,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:54:19,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:54:19,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418496771] [2024-11-17 04:54:19,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418496771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:54:19,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:54:19,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:54:19,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351919802] [2024-11-17 04:54:19,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:54:19,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:54:19,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:54:19,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:54:19,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:54:19,456 INFO L87 Difference]: Start difference. First operand has 129 states, 69 states have (on average 1.8115942028985508) internal successors, (125), 121 states have internal predecessors, (125), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2024-11-17 04:54:19,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:54:19,533 INFO L93 Difference]: Finished difference Result 256 states and 286 transitions. [2024-11-17 04:54:19,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:54:19,535 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2024-11-17 04:54:19,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:54:19,540 INFO L225 Difference]: With dead ends: 256 [2024-11-17 04:54:19,540 INFO L226 Difference]: Without dead ends: 123 [2024-11-17 04:54:19,542 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:54:19,545 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 6 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:54:19,545 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 370 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:54:19,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-17 04:54:19,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-11-17 04:54:19,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 69 states have (on average 1.710144927536232) internal successors, (118), 116 states have internal predecessors, (118), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 04:54:19,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 128 transitions. [2024-11-17 04:54:19,575 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 128 transitions. Word has length 4 [2024-11-17 04:54:19,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:54:19,575 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 128 transitions. [2024-11-17 04:54:19,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2024-11-17 04:54:19,576 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 128 transitions. [2024-11-17 04:54:19,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-17 04:54:19,576 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:54:19,576 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:54:19,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 04:54:19,577 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-17 04:54:19,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:54:19,577 INFO L85 PathProgramCache]: Analyzing trace with hash 624092315, now seen corresponding path program 1 times [2024-11-17 04:54:19,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:54:19,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885649282] [2024-11-17 04:54:19,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:54:19,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:54:19,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:19,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:54:19,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:54:19,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885649282] [2024-11-17 04:54:19,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885649282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:54:19,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:54:19,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:54:19,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140828267] [2024-11-17 04:54:19,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:54:19,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:54:19,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:54:19,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:54:19,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:54:19,614 INFO L87 Difference]: Start difference. First operand 123 states and 128 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) [2024-11-17 04:54:19,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:54:19,722 INFO L93 Difference]: Finished difference Result 218 states and 228 transitions. [2024-11-17 04:54:19,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:54:19,723 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 8 [2024-11-17 04:54:19,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:54:19,724 INFO L225 Difference]: With dead ends: 218 [2024-11-17 04:54:19,724 INFO L226 Difference]: Without dead ends: 198 [2024-11-17 04:54:19,725 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:54:19,726 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 69 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:54:19,726 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 179 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:54:19,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-17 04:54:19,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 162. [2024-11-17 04:54:19,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 104 states have (on average 1.5865384615384615) internal successors, (165), 151 states have internal predecessors, (165), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 04:54:19,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 183 transitions. [2024-11-17 04:54:19,746 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 183 transitions. Word has length 8 [2024-11-17 04:54:19,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:54:19,746 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 183 transitions. [2024-11-17 04:54:19,746 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) [2024-11-17 04:54:19,747 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 183 transitions. [2024-11-17 04:54:19,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-17 04:54:19,747 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:54:19,747 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:54:19,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 04:54:19,748 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-17 04:54:19,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:54:19,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1215790803, now seen corresponding path program 1 times [2024-11-17 04:54:19,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:54:19,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979094897] [2024-11-17 04:54:19,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:54:19,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:54:19,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:54:19,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [30698307] [2024-11-17 04:54:19,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:54:19,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:54:19,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:54:19,778 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) [2024-11-17 04:54:19,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 04:54:19,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:19,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 04:54:19,837 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:54:19,896 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:54:19,896 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:54:19,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:54:19,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979094897] [2024-11-17 04:54:19,897 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:54:19,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [30698307] [2024-11-17 04:54:19,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [30698307] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:54:19,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:54:19,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:54:19,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748502179] [2024-11-17 04:54:19,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:54:19,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:54:19,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:54:19,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:54:19,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:54:19,899 INFO L87 Difference]: Start difference. First operand 162 states and 183 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:54:19,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:54:20,000 INFO L93 Difference]: Finished difference Result 191 states and 213 transitions. [2024-11-17 04:54:20,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:54:20,000 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2024-11-17 04:54:20,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:54:20,002 INFO L225 Difference]: With dead ends: 191 [2024-11-17 04:54:20,002 INFO L226 Difference]: Without dead ends: 183 [2024-11-17 04:54:20,002 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:54:20,003 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 43 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:54:20,004 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 173 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:54:20,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-17 04:54:20,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 174. [2024-11-17 04:54:20,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 115 states have (on average 1.5391304347826087) internal successors, (177), 162 states have internal predecessors, (177), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-17 04:54:20,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 197 transitions. [2024-11-17 04:54:20,014 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 197 transitions. Word has length 29 [2024-11-17 04:54:20,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:54:20,014 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 197 transitions. [2024-11-17 04:54:20,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:54:20,015 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 197 transitions. [2024-11-17 04:54:20,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-17 04:54:20,015 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:54:20,015 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:54:20,033 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-17 04:54:20,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:54:20,216 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-17 04:54:20,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:54:20,217 INFO L85 PathProgramCache]: Analyzing trace with hash -965190715, now seen corresponding path program 1 times [2024-11-17 04:54:20,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:54:20,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572917359] [2024-11-17 04:54:20,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:54:20,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:54:20,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:20,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:54:20,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:20,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-17 04:54:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:20,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:54:20,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:54:20,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572917359] [2024-11-17 04:54:20,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572917359] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:54:20,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:54:20,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:54:20,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472967532] [2024-11-17 04:54:20,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:54:20,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:54:20,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:54:20,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:54:20,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:54:20,385 INFO L87 Difference]: Start difference. First operand 174 states and 197 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:54:20,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:54:20,456 INFO L93 Difference]: Finished difference Result 192 states and 210 transitions. [2024-11-17 04:54:20,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:54:20,457 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2024-11-17 04:54:20,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:54:20,458 INFO L225 Difference]: With dead ends: 192 [2024-11-17 04:54:20,458 INFO L226 Difference]: Without dead ends: 182 [2024-11-17 04:54:20,459 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:54:20,460 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 41 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:54:20,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 188 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:54:20,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-17 04:54:20,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 177. [2024-11-17 04:54:20,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 118 states have (on average 1.4661016949152543) internal successors, (173), 165 states have internal predecessors, (173), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-17 04:54:20,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 193 transitions. [2024-11-17 04:54:20,469 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 193 transitions. Word has length 30 [2024-11-17 04:54:20,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:54:20,470 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 193 transitions. [2024-11-17 04:54:20,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:54:20,470 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 193 transitions. [2024-11-17 04:54:20,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-17 04:54:20,471 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:54:20,471 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:54:20,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 04:54:20,471 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-17 04:54:20,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:54:20,472 INFO L85 PathProgramCache]: Analyzing trace with hash 809509711, now seen corresponding path program 1 times [2024-11-17 04:54:20,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:54:20,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383691514] [2024-11-17 04:54:20,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:54:20,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:54:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:20,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:54:20,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:20,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-17 04:54:20,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:20,542 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:54:20,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:54:20,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383691514] [2024-11-17 04:54:20,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383691514] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:54:20,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:54:20,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:54:20,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242603894] [2024-11-17 04:54:20,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:54:20,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:54:20,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:54:20,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:54:20,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:54:20,544 INFO L87 Difference]: Start difference. First operand 177 states and 193 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:54:20,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:54:20,679 INFO L93 Difference]: Finished difference Result 184 states and 200 transitions. [2024-11-17 04:54:20,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:54:20,680 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2024-11-17 04:54:20,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:54:20,681 INFO L225 Difference]: With dead ends: 184 [2024-11-17 04:54:20,681 INFO L226 Difference]: Without dead ends: 182 [2024-11-17 04:54:20,682 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:54:20,683 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 54 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:54:20,683 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 235 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:54:20,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-17 04:54:20,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 177. [2024-11-17 04:54:20,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 118 states have (on average 1.4491525423728813) internal successors, (171), 165 states have internal predecessors, (171), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-17 04:54:20,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 191 transitions. [2024-11-17 04:54:20,702 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 191 transitions. Word has length 33 [2024-11-17 04:54:20,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:54:20,703 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 191 transitions. [2024-11-17 04:54:20,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:54:20,703 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 191 transitions. [2024-11-17 04:54:20,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-17 04:54:20,706 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:54:20,706 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:54:20,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 04:54:20,707 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-17 04:54:20,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:54:20,707 INFO L85 PathProgramCache]: Analyzing trace with hash 31877067, now seen corresponding path program 1 times [2024-11-17 04:54:20,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:54:20,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851083664] [2024-11-17 04:54:20,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:54:20,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:54:20,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:20,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:54:20,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:20,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-17 04:54:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:20,818 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:54:20,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:54:20,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851083664] [2024-11-17 04:54:20,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851083664] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:54:20,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:54:20,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:54:20,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876292834] [2024-11-17 04:54:20,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:54:20,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:54:20,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:54:20,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:54:20,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:54:20,830 INFO L87 Difference]: Start difference. First operand 177 states and 191 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:54:20,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:54:20,929 INFO L93 Difference]: Finished difference Result 183 states and 193 transitions. [2024-11-17 04:54:20,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:54:20,929 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 37 [2024-11-17 04:54:20,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:54:20,930 INFO L225 Difference]: With dead ends: 183 [2024-11-17 04:54:20,931 INFO L226 Difference]: Without dead ends: 155 [2024-11-17 04:54:20,931 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:54:20,933 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 31 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:54:20,933 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 160 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:54:20,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-17 04:54:20,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 154. [2024-11-17 04:54:20,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 97 states have (on average 1.5051546391752577) internal successors, (146), 144 states have internal predecessors, (146), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:54:20,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 162 transitions. [2024-11-17 04:54:20,950 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 162 transitions. Word has length 37 [2024-11-17 04:54:20,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:54:20,950 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 162 transitions. [2024-11-17 04:54:20,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:54:20,951 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 162 transitions. [2024-11-17 04:54:20,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-17 04:54:20,951 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:54:20,952 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:54:20,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 04:54:20,952 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-17 04:54:20,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:54:20,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1331061854, now seen corresponding path program 1 times [2024-11-17 04:54:20,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:54:20,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200989285] [2024-11-17 04:54:20,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:54:20,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:54:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:21,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:54:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:21,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-17 04:54:21,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:21,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-17 04:54:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:21,064 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:54:21,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:54:21,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200989285] [2024-11-17 04:54:21,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200989285] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:54:21,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:54:21,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:54:21,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240015419] [2024-11-17 04:54:21,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:54:21,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:54:21,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:54:21,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:54:21,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:54:21,069 INFO L87 Difference]: Start difference. First operand 154 states and 162 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 04:54:21,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:54:21,173 INFO L93 Difference]: Finished difference Result 159 states and 168 transitions. [2024-11-17 04:54:21,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:54:21,174 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 52 [2024-11-17 04:54:21,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:54:21,175 INFO L225 Difference]: With dead ends: 159 [2024-11-17 04:54:21,175 INFO L226 Difference]: Without dead ends: 158 [2024-11-17 04:54:21,176 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:54:21,176 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 2 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:54:21,177 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 230 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:54:21,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-17 04:54:21,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 156. [2024-11-17 04:54:21,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 99 states have (on average 1.494949494949495) internal successors, (148), 146 states have internal predecessors, (148), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:54:21,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 164 transitions. [2024-11-17 04:54:21,183 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 164 transitions. Word has length 52 [2024-11-17 04:54:21,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:54:21,184 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 164 transitions. [2024-11-17 04:54:21,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 04:54:21,184 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 164 transitions. [2024-11-17 04:54:21,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-17 04:54:21,185 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:54:21,185 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:54:21,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 04:54:21,185 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-17 04:54:21,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:54:21,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1686755507, now seen corresponding path program 1 times [2024-11-17 04:54:21,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:54:21,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91847397] [2024-11-17 04:54:21,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:54:21,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:54:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:21,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:54:21,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:21,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-17 04:54:21,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:21,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-17 04:54:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:21,286 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:54:21,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:54:21,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91847397] [2024-11-17 04:54:21,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91847397] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:54:21,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:54:21,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:54:21,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880542837] [2024-11-17 04:54:21,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:54:21,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:54:21,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:54:21,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:54:21,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:54:21,289 INFO L87 Difference]: Start difference. First operand 156 states and 164 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 04:54:21,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:54:21,369 INFO L93 Difference]: Finished difference Result 159 states and 167 transitions. [2024-11-17 04:54:21,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:54:21,369 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 53 [2024-11-17 04:54:21,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:54:21,370 INFO L225 Difference]: With dead ends: 159 [2024-11-17 04:54:21,371 INFO L226 Difference]: Without dead ends: 158 [2024-11-17 04:54:21,371 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:54:21,371 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 1 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:54:21,372 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 169 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:54:21,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-17 04:54:21,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 157. [2024-11-17 04:54:21,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 100 states have (on average 1.49) internal successors, (149), 147 states have internal predecessors, (149), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:54:21,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 165 transitions. [2024-11-17 04:54:21,378 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 165 transitions. Word has length 53 [2024-11-17 04:54:21,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:54:21,378 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 165 transitions. [2024-11-17 04:54:21,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 04:54:21,378 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 165 transitions. [2024-11-17 04:54:21,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-17 04:54:21,379 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:54:21,379 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:54:21,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-17 04:54:21,379 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-17 04:54:21,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:54:21,380 INFO L85 PathProgramCache]: Analyzing trace with hash -984032033, now seen corresponding path program 1 times [2024-11-17 04:54:21,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:54:21,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551712142] [2024-11-17 04:54:21,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:54:21,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:54:21,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:21,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:54:21,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:21,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-17 04:54:21,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:21,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-17 04:54:21,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:21,520 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:54:21,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:54:21,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551712142] [2024-11-17 04:54:21,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551712142] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:54:21,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642304206] [2024-11-17 04:54:21,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:54:21,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:54:21,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:54:21,523 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) [2024-11-17 04:54:21,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 04:54:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:21,564 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:54:21,566 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:54:21,689 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:54:21,691 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:54:21,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [642304206] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:54:21,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:54:21,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-17 04:54:21,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451471773] [2024-11-17 04:54:21,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:54:21,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:54:21,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:54:21,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:54:21,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:54:21,692 INFO L87 Difference]: Start difference. First operand 157 states and 165 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 04:54:21,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:54:21,715 INFO L93 Difference]: Finished difference Result 157 states and 165 transitions. [2024-11-17 04:54:21,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:54:21,716 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 56 [2024-11-17 04:54:21,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:54:21,717 INFO L225 Difference]: With dead ends: 157 [2024-11-17 04:54:21,717 INFO L226 Difference]: Without dead ends: 156 [2024-11-17 04:54:21,718 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:54:21,718 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 81 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:54:21,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 343 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:54:21,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-17 04:54:21,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2024-11-17 04:54:21,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 100 states have (on average 1.48) internal successors, (148), 146 states have internal predecessors, (148), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:54:21,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 164 transitions. [2024-11-17 04:54:21,726 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 164 transitions. Word has length 56 [2024-11-17 04:54:21,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:54:21,726 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 164 transitions. [2024-11-17 04:54:21,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 04:54:21,727 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 164 transitions. [2024-11-17 04:54:21,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-17 04:54:21,728 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:54:21,729 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:54:21,743 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-17 04:54:21,932 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,SelfDestructingSolverStorable8 [2024-11-17 04:54:21,933 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-17 04:54:21,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:54:21,934 INFO L85 PathProgramCache]: Analyzing trace with hash -440221864, now seen corresponding path program 1 times [2024-11-17 04:54:21,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:54:21,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005169221] [2024-11-17 04:54:21,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:54:21,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:54:21,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:21,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:54:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:22,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-17 04:54:22,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:22,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-17 04:54:22,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:22,009 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:54:22,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:54:22,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005169221] [2024-11-17 04:54:22,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005169221] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:54:22,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1914289475] [2024-11-17 04:54:22,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:54:22,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:54:22,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:54:22,014 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) [2024-11-17 04:54:22,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 04:54:22,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:22,062 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:54:22,064 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:54:22,128 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:54:22,128 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:54:22,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1914289475] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:54:22,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:54:22,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-17 04:54:22,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798353387] [2024-11-17 04:54:22,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:54:22,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:54:22,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:54:22,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:54:22,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:54:22,130 INFO L87 Difference]: Start difference. First operand 156 states and 164 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 04:54:22,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:54:22,172 INFO L93 Difference]: Finished difference Result 204 states and 212 transitions. [2024-11-17 04:54:22,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:54:22,173 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 57 [2024-11-17 04:54:22,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:54:22,174 INFO L225 Difference]: With dead ends: 204 [2024-11-17 04:54:22,174 INFO L226 Difference]: Without dead ends: 203 [2024-11-17 04:54:22,174 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:54:22,174 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 80 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:54:22,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 515 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:54:22,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-11-17 04:54:22,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 171. [2024-11-17 04:54:22,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 113 states have (on average 1.4955752212389382) internal successors, (169), 159 states have internal predecessors, (169), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-17 04:54:22,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 189 transitions. [2024-11-17 04:54:22,181 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 189 transitions. Word has length 57 [2024-11-17 04:54:22,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:54:22,181 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 189 transitions. [2024-11-17 04:54:22,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 04:54:22,182 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 189 transitions. [2024-11-17 04:54:22,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-17 04:54:22,182 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:54:22,182 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:54:22,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-17 04:54:22,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:54:22,384 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-17 04:54:22,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:54:22,384 INFO L85 PathProgramCache]: Analyzing trace with hash -2114310468, now seen corresponding path program 1 times [2024-11-17 04:54:22,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:54:22,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941788771] [2024-11-17 04:54:22,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:54:22,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:54:22,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:22,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:54:22,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:22,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-17 04:54:22,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:22,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-17 04:54:22,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:22,424 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:54:22,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:54:22,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941788771] [2024-11-17 04:54:22,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941788771] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:54:22,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2053953618] [2024-11-17 04:54:22,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:54:22,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:54:22,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:54:22,426 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) [2024-11-17 04:54:22,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 04:54:22,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:22,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 04:54:22,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:54:22,520 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:54:22,520 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:54:22,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2053953618] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:54:22,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:54:22,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-17 04:54:22,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594172055] [2024-11-17 04:54:22,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:54:22,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:54:22,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:54:22,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:54:22,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:54:22,523 INFO L87 Difference]: Start difference. First operand 171 states and 189 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 04:54:22,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:54:22,591 INFO L93 Difference]: Finished difference Result 171 states and 189 transitions. [2024-11-17 04:54:22,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:54:22,592 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 60 [2024-11-17 04:54:22,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:54:22,594 INFO L225 Difference]: With dead ends: 171 [2024-11-17 04:54:22,594 INFO L226 Difference]: Without dead ends: 162 [2024-11-17 04:54:22,594 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:54:22,594 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 122 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:54:22,594 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 132 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:54:22,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-11-17 04:54:22,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2024-11-17 04:54:22,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 113 states have (on average 1.3805309734513274) internal successors, (156), 150 states have internal predecessors, (156), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-17 04:54:22,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 176 transitions. [2024-11-17 04:54:22,602 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 176 transitions. Word has length 60 [2024-11-17 04:54:22,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:54:22,602 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 176 transitions. [2024-11-17 04:54:22,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 04:54:22,602 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 176 transitions. [2024-11-17 04:54:22,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-17 04:54:22,604 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:54:22,604 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:54:22,623 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-17 04:54:22,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:54:22,806 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-17 04:54:22,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:54:22,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1119115052, now seen corresponding path program 1 times [2024-11-17 04:54:22,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:54:22,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890812162] [2024-11-17 04:54:22,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:54:22,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:54:22,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:22,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:54:22,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:22,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-17 04:54:22,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:22,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-17 04:54:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:22,846 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:54:22,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:54:22,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890812162] [2024-11-17 04:54:22,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890812162] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:54:22,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461180183] [2024-11-17 04:54:22,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:54:22,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:54:22,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:54:22,848 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) [2024-11-17 04:54:22,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 04:54:22,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:22,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 04:54:22,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:54:22,979 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:54:22,979 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:54:23,068 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:54:23,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1461180183] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:54:23,069 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:54:23,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-17 04:54:23,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815933871] [2024-11-17 04:54:23,069 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:54:23,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:54:23,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:54:23,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:54:23,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:54:23,070 INFO L87 Difference]: Start difference. First operand 162 states and 176 transitions. Second operand has 7 states, 6 states have (on average 21.0) internal successors, (126), 7 states have internal predecessors, (126), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-17 04:54:23,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:54:23,236 INFO L93 Difference]: Finished difference Result 292 states and 343 transitions. [2024-11-17 04:54:23,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:54:23,236 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 21.0) internal successors, (126), 7 states have internal predecessors, (126), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 61 [2024-11-17 04:54:23,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:54:23,239 INFO L225 Difference]: With dead ends: 292 [2024-11-17 04:54:23,240 INFO L226 Difference]: Without dead ends: 283 [2024-11-17 04:54:23,241 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:54:23,241 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 146 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:54:23,242 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 302 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:54:23,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-11-17 04:54:23,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 153. [2024-11-17 04:54:23,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 113 states have (on average 1.2654867256637168) internal successors, (143), 141 states have internal predecessors, (143), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-17 04:54:23,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 163 transitions. [2024-11-17 04:54:23,257 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 163 transitions. Word has length 61 [2024-11-17 04:54:23,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:54:23,257 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 163 transitions. [2024-11-17 04:54:23,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 21.0) internal successors, (126), 7 states have internal predecessors, (126), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-17 04:54:23,257 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 163 transitions. [2024-11-17 04:54:23,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-17 04:54:23,258 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:54:23,258 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:54:23,277 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-17 04:54:23,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-17 04:54:23,459 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-17 04:54:23,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:54:23,460 INFO L85 PathProgramCache]: Analyzing trace with hash 96049175, now seen corresponding path program 1 times [2024-11-17 04:54:23,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:54:23,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333188042] [2024-11-17 04:54:23,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:54:23,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:54:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:23,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:54:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:23,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-17 04:54:23,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:23,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-17 04:54:23,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:23,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-17 04:54:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:23,595 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:54:23,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:54:23,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333188042] [2024-11-17 04:54:23,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333188042] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:54:23,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1909425778] [2024-11-17 04:54:23,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:54:23,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:54:23,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:54:23,601 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) [2024-11-17 04:54:23,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 04:54:23,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:23,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:54:23,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:54:23,714 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:54:23,716 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:54:23,802 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:54:23,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1909425778] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:54:23,802 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:54:23,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 13 [2024-11-17 04:54:23,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102553015] [2024-11-17 04:54:23,803 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:54:23,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-17 04:54:23,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:54:23,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-17 04:54:23,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:54:23,804 INFO L87 Difference]: Start difference. First operand 153 states and 163 transitions. Second operand has 13 states, 13 states have (on average 8.76923076923077) internal successors, (114), 13 states have internal predecessors, (114), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-17 04:54:23,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:54:23,915 INFO L93 Difference]: Finished difference Result 395 states and 415 transitions. [2024-11-17 04:54:23,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-17 04:54:23,916 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.76923076923077) internal successors, (114), 13 states have internal predecessors, (114), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 74 [2024-11-17 04:54:23,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:54:23,917 INFO L225 Difference]: With dead ends: 395 [2024-11-17 04:54:23,917 INFO L226 Difference]: Without dead ends: 355 [2024-11-17 04:54:23,918 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2024-11-17 04:54:23,918 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 177 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:54:23,919 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 549 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:54:23,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-17 04:54:23,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 275. [2024-11-17 04:54:23,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 222 states have (on average 1.2972972972972974) internal successors, (288), 252 states have internal predecessors, (288), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 17 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-17 04:54:23,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 328 transitions. [2024-11-17 04:54:23,932 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 328 transitions. Word has length 74 [2024-11-17 04:54:23,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:54:23,932 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 328 transitions. [2024-11-17 04:54:23,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.76923076923077) internal successors, (114), 13 states have internal predecessors, (114), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-17 04:54:23,932 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 328 transitions. [2024-11-17 04:54:23,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-17 04:54:23,933 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:54:23,933 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:54:23,945 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-17 04:54:24,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:54:24,134 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-17 04:54:24,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:54:24,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1906372094, now seen corresponding path program 1 times [2024-11-17 04:54:24,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:54:24,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689274554] [2024-11-17 04:54:24,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:54:24,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:54:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:54:24,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [262125648] [2024-11-17 04:54:24,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:54:24,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:54:24,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:54:24,162 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) [2024-11-17 04:54:24,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 04:54:24,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:24,200 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:54:24,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:54:24,271 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:54:24,271 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:54:24,384 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:54:24,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:54:24,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689274554] [2024-11-17 04:54:24,384 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:54:24,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262125648] [2024-11-17 04:54:24,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [262125648] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:54:24,385 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:54:24,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-17 04:54:24,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826982327] [2024-11-17 04:54:24,385 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:54:24,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:54:24,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:54:24,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:54:24,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:54:24,386 INFO L87 Difference]: Start difference. First operand 275 states and 328 transitions. Second operand has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-17 04:54:24,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:54:24,534 INFO L93 Difference]: Finished difference Result 364 states and 385 transitions. [2024-11-17 04:54:24,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:54:24,535 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 74 [2024-11-17 04:54:24,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:54:24,536 INFO L225 Difference]: With dead ends: 364 [2024-11-17 04:54:24,536 INFO L226 Difference]: Without dead ends: 362 [2024-11-17 04:54:24,537 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:54:24,537 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 345 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:54:24,537 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 334 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:54:24,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-11-17 04:54:24,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 286. [2024-11-17 04:54:24,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 232 states have (on average 1.2629310344827587) internal successors, (293), 262 states have internal predecessors, (293), 21 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 18 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-17 04:54:24,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 335 transitions. [2024-11-17 04:54:24,550 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 335 transitions. Word has length 74 [2024-11-17 04:54:24,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:54:24,550 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 335 transitions. [2024-11-17 04:54:24,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-17 04:54:24,550 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 335 transitions. [2024-11-17 04:54:24,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-17 04:54:24,551 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:54:24,551 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:54:24,567 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-17 04:54:24,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:54:24,756 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-17 04:54:24,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:54:24,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1759495251, now seen corresponding path program 1 times [2024-11-17 04:54:24,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:54:24,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454547294] [2024-11-17 04:54:24,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:54:24,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:54:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:54:24,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1079606896] [2024-11-17 04:54:24,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:54:24,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:54:24,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:54:24,772 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) [2024-11-17 04:54:24,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-17 04:54:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:24,808 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:54:24,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:54:24,899 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:54:24,899 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:54:25,011 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:54:25,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:54:25,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454547294] [2024-11-17 04:54:25,012 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:54:25,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079606896] [2024-11-17 04:54:25,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1079606896] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:54:25,013 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:54:25,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-17 04:54:25,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986661860] [2024-11-17 04:54:25,013 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:54:25,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:54:25,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:54:25,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:54:25,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:54:25,014 INFO L87 Difference]: Start difference. First operand 286 states and 335 transitions. Second operand has 6 states, 5 states have (on average 22.8) internal successors, (114), 6 states have internal predecessors, (114), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-17 04:54:25,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:54:25,206 INFO L93 Difference]: Finished difference Result 325 states and 387 transitions. [2024-11-17 04:54:25,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:54:25,206 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.8) internal successors, (114), 6 states have internal predecessors, (114), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 81 [2024-11-17 04:54:25,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:54:25,207 INFO L225 Difference]: With dead ends: 325 [2024-11-17 04:54:25,208 INFO L226 Difference]: Without dead ends: 317 [2024-11-17 04:54:25,208 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:54:25,208 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 200 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:54:25,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 266 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:54:25,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-11-17 04:54:25,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 285. [2024-11-17 04:54:25,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 236 states have (on average 1.1906779661016949) internal successors, (281), 259 states have internal predecessors, (281), 22 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-17 04:54:25,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 325 transitions. [2024-11-17 04:54:25,218 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 325 transitions. Word has length 81 [2024-11-17 04:54:25,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:54:25,219 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 325 transitions. [2024-11-17 04:54:25,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.8) internal successors, (114), 6 states have internal predecessors, (114), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-17 04:54:25,219 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 325 transitions. [2024-11-17 04:54:25,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-17 04:54:25,219 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:54:25,220 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:54:25,232 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-17 04:54:25,423 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,SelfDestructingSolverStorable14 [2024-11-17 04:54:25,423 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-17 04:54:25,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:54:25,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1290222011, now seen corresponding path program 1 times [2024-11-17 04:54:25,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:54:25,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708708629] [2024-11-17 04:54:25,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:54:25,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:54:25,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:25,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:54:25,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:25,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-17 04:54:25,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:25,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-17 04:54:25,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:25,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-17 04:54:25,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:25,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-17 04:54:25,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:25,491 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:54:25,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:54:25,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708708629] [2024-11-17 04:54:25,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708708629] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:54:25,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468592414] [2024-11-17 04:54:25,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:54:25,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:54:25,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:54:25,493 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) [2024-11-17 04:54:25,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-17 04:54:25,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:25,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:54:25,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:54:25,652 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:54:25,652 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:54:25,747 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:54:25,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1468592414] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:54:25,747 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:54:25,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-17 04:54:25,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179630042] [2024-11-17 04:54:25,748 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:54:25,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 04:54:25,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:54:25,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 04:54:25,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:54:25,749 INFO L87 Difference]: Start difference. First operand 285 states and 325 transitions. Second operand has 10 states, 9 states have (on average 17.11111111111111) internal successors, (154), 10 states have internal predecessors, (154), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-17 04:54:25,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:54:25,907 INFO L93 Difference]: Finished difference Result 285 states and 325 transitions. [2024-11-17 04:54:25,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:54:25,908 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 17.11111111111111) internal successors, (154), 10 states have internal predecessors, (154), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 82 [2024-11-17 04:54:25,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:54:25,909 INFO L225 Difference]: With dead ends: 285 [2024-11-17 04:54:25,909 INFO L226 Difference]: Without dead ends: 282 [2024-11-17 04:54:25,909 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:54:25,910 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 181 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:54:25,910 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 192 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:54:25,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2024-11-17 04:54:25,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2024-11-17 04:54:25,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 236 states have (on average 1.1610169491525424) internal successors, (274), 256 states have internal predecessors, (274), 22 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-17 04:54:25,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 318 transitions. [2024-11-17 04:54:25,920 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 318 transitions. Word has length 82 [2024-11-17 04:54:25,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:54:25,921 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 318 transitions. [2024-11-17 04:54:25,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 17.11111111111111) internal successors, (154), 10 states have internal predecessors, (154), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-17 04:54:25,921 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 318 transitions. [2024-11-17 04:54:25,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-17 04:54:25,921 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:54:25,921 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:54:25,939 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-17 04:54:26,122 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,SelfDestructingSolverStorable15 [2024-11-17 04:54:26,122 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-17 04:54:26,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:54:26,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1342176623, now seen corresponding path program 1 times [2024-11-17 04:54:26,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:54:26,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445447759] [2024-11-17 04:54:26,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:54:26,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:54:26,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:26,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:54:26,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:26,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-17 04:54:26,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:26,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-17 04:54:26,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:26,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-17 04:54:26,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:26,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-17 04:54:26,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:26,184 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:54:26,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:54:26,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445447759] [2024-11-17 04:54:26,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445447759] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:54:26,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [173921924] [2024-11-17 04:54:26,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:54:26,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:54:26,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:54:26,187 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) [2024-11-17 04:54:26,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-17 04:54:26,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:26,229 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:54:26,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:54:26,348 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:54:26,348 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:54:26,445 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:54:26,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [173921924] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:54:26,445 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:54:26,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-17 04:54:26,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800453191] [2024-11-17 04:54:26,446 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:54:26,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 04:54:26,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:54:26,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 04:54:26,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:54:26,447 INFO L87 Difference]: Start difference. First operand 282 states and 318 transitions. Second operand has 10 states, 9 states have (on average 17.333333333333332) internal successors, (156), 10 states have internal predecessors, (156), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-17 04:54:26,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:54:26,724 INFO L93 Difference]: Finished difference Result 299 states and 339 transitions. [2024-11-17 04:54:26,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:54:26,724 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 17.333333333333332) internal successors, (156), 10 states have internal predecessors, (156), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 83 [2024-11-17 04:54:26,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:54:26,725 INFO L225 Difference]: With dead ends: 299 [2024-11-17 04:54:26,726 INFO L226 Difference]: Without dead ends: 290 [2024-11-17 04:54:26,726 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=72, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:54:26,726 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 124 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:54:26,727 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 302 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:54:26,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-11-17 04:54:26,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 278. [2024-11-17 04:54:26,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 238 states have (on average 1.096638655462185) internal successors, (261), 252 states have internal predecessors, (261), 22 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-17 04:54:26,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 305 transitions. [2024-11-17 04:54:26,736 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 305 transitions. Word has length 83 [2024-11-17 04:54:26,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:54:26,737 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 305 transitions. [2024-11-17 04:54:26,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 17.333333333333332) internal successors, (156), 10 states have internal predecessors, (156), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-17 04:54:26,737 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 305 transitions. [2024-11-17 04:54:26,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-17 04:54:26,737 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:54:26,737 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:54:26,750 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-17 04:54:26,938 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,SelfDestructingSolverStorable16 [2024-11-17 04:54:26,939 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-17 04:54:26,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:54:26,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1341544241, now seen corresponding path program 1 times [2024-11-17 04:54:26,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:54:26,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211658880] [2024-11-17 04:54:26,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:54:26,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:54:26,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:27,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:54:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:27,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-17 04:54:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:27,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-17 04:54:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:27,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-17 04:54:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:27,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-17 04:54:27,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:27,029 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:54:27,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:54:27,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211658880] [2024-11-17 04:54:27,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211658880] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:54:27,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [326571242] [2024-11-17 04:54:27,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:54:27,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:54:27,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:54:27,032 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) [2024-11-17 04:54:27,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-17 04:54:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:27,067 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:54:27,068 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:54:27,235 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:54:27,235 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:54:27,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [326571242] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:54:27,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:54:27,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-17 04:54:27,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739382961] [2024-11-17 04:54:27,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:54:27,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:54:27,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:54:27,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:54:27,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:54:27,237 INFO L87 Difference]: Start difference. First operand 278 states and 305 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:54:27,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:54:27,343 INFO L93 Difference]: Finished difference Result 278 states and 305 transitions. [2024-11-17 04:54:27,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:54:27,344 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 85 [2024-11-17 04:54:27,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:54:27,345 INFO L225 Difference]: With dead ends: 278 [2024-11-17 04:54:27,345 INFO L226 Difference]: Without dead ends: 224 [2024-11-17 04:54:27,345 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:54:27,346 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 86 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:54:27,346 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 164 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:54:27,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-11-17 04:54:27,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2024-11-17 04:54:27,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 196 states have (on average 1.0408163265306123) internal successors, (204), 202 states have internal predecessors, (204), 16 states have call successors, (16), 5 states have call predecessors, (16), 5 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-17 04:54:27,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 236 transitions. [2024-11-17 04:54:27,354 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 236 transitions. Word has length 85 [2024-11-17 04:54:27,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:54:27,355 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 236 transitions. [2024-11-17 04:54:27,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:54:27,355 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 236 transitions. [2024-11-17 04:54:27,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-17 04:54:27,356 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:54:27,356 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1] [2024-11-17 04:54:27,372 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-17 04:54:27,556 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,SelfDestructingSolverStorable17 [2024-11-17 04:54:27,557 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-17 04:54:27,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:54:27,557 INFO L85 PathProgramCache]: Analyzing trace with hash 2107220915, now seen corresponding path program 1 times [2024-11-17 04:54:27,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:54:27,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683005999] [2024-11-17 04:54:27,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:54:27,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:54:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:27,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:54:27,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:27,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-17 04:54:27,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:27,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-17 04:54:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:27,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-17 04:54:27,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:27,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-17 04:54:27,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:27,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:54:27,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:27,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-17 04:54:27,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:27,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-17 04:54:27,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:27,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-17 04:54:27,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:27,700 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-17 04:54:27,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:54:27,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683005999] [2024-11-17 04:54:27,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683005999] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:54:27,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1842236409] [2024-11-17 04:54:27,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:54:27,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:54:27,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:54:27,705 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) [2024-11-17 04:54:27,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-17 04:54:27,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:27,756 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 04:54:27,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:54:28,043 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-17 04:54:28,043 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:54:28,256 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-17 04:54:28,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1842236409] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:54:28,256 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:54:28,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19 [2024-11-17 04:54:28,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516547949] [2024-11-17 04:54:28,257 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:54:28,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-17 04:54:28,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:54:28,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-17 04:54:28,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=236, Unknown=0, NotChecked=0, Total=380 [2024-11-17 04:54:28,258 INFO L87 Difference]: Start difference. First operand 224 states and 236 transitions. Second operand has 20 states, 19 states have (on average 17.736842105263158) internal successors, (337), 20 states have internal predecessors, (337), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-17 04:54:28,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:54:28,567 INFO L93 Difference]: Finished difference Result 361 states and 395 transitions. [2024-11-17 04:54:28,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-17 04:54:28,568 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 17.736842105263158) internal successors, (337), 20 states have internal predecessors, (337), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 157 [2024-11-17 04:54:28,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:54:28,570 INFO L225 Difference]: With dead ends: 361 [2024-11-17 04:54:28,570 INFO L226 Difference]: Without dead ends: 360 [2024-11-17 04:54:28,570 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=248, Invalid=402, Unknown=0, NotChecked=0, Total=650 [2024-11-17 04:54:28,571 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 61 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:54:28,571 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 479 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:54:28,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-11-17 04:54:28,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 324. [2024-11-17 04:54:28,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 289 states have (on average 1.055363321799308) internal successors, (305), 295 states have internal predecessors, (305), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-17 04:54:28,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 351 transitions. [2024-11-17 04:54:28,582 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 351 transitions. Word has length 157 [2024-11-17 04:54:28,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:54:28,582 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 351 transitions. [2024-11-17 04:54:28,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 17.736842105263158) internal successors, (337), 20 states have internal predecessors, (337), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-17 04:54:28,583 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 351 transitions. [2024-11-17 04:54:28,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-17 04:54:28,584 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:54:28,584 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1] [2024-11-17 04:54:28,598 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-17 04:54:28,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:54:28,785 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-17 04:54:28,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:54:28,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1536855441, now seen corresponding path program 2 times [2024-11-17 04:54:28,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:54:28,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89649310] [2024-11-17 04:54:28,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:54:28,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:54:28,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:28,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:54:28,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:28,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-17 04:54:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:28,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-17 04:54:28,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:28,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-17 04:54:28,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:28,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-17 04:54:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:28,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:54:28,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:28,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-17 04:54:28,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:28,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-17 04:54:28,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:28,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-17 04:54:28,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:28,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-17 04:54:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:28,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-17 04:54:28,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:28,955 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-17 04:54:28,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:54:28,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89649310] [2024-11-17 04:54:28,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89649310] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:54:28,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733888433] [2024-11-17 04:54:28,955 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:54:28,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:54:28,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:54:28,957 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) [2024-11-17 04:54:28,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-17 04:54:29,008 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:54:29,008 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:54:29,010 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 04:54:29,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:54:29,344 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-17 04:54:29,344 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:54:29,593 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-17 04:54:29,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1733888433] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:54:29,594 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:54:29,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-11-17 04:54:29,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335443739] [2024-11-17 04:54:29,595 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:54:29,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-17 04:54:29,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:54:29,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-17 04:54:29,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=297, Unknown=0, NotChecked=0, Total=462 [2024-11-17 04:54:29,597 INFO L87 Difference]: Start difference. First operand 324 states and 351 transitions. Second operand has 22 states, 21 states have (on average 18.0) internal successors, (378), 22 states have internal predecessors, (378), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) [2024-11-17 04:54:29,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:54:29,982 INFO L93 Difference]: Finished difference Result 404 states and 439 transitions. [2024-11-17 04:54:29,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-17 04:54:29,983 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 18.0) internal successors, (378), 22 states have internal predecessors, (378), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) Word has length 187 [2024-11-17 04:54:29,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:54:29,984 INFO L225 Difference]: With dead ends: 404 [2024-11-17 04:54:29,984 INFO L226 Difference]: Without dead ends: 396 [2024-11-17 04:54:29,985 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 382 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=319, Invalid=551, Unknown=0, NotChecked=0, Total=870 [2024-11-17 04:54:29,985 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 200 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:54:29,985 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 504 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:54:29,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-11-17 04:54:29,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 360. [2024-11-17 04:54:29,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 321 states have (on average 1.0529595015576323) internal successors, (338), 327 states have internal predecessors, (338), 27 states have call successors, (27), 5 states have call predecessors, (27), 5 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-17 04:54:29,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 392 transitions. [2024-11-17 04:54:29,997 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 392 transitions. Word has length 187 [2024-11-17 04:54:29,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:54:29,998 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 392 transitions. [2024-11-17 04:54:29,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 18.0) internal successors, (378), 22 states have internal predecessors, (378), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) [2024-11-17 04:54:29,998 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 392 transitions. [2024-11-17 04:54:29,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2024-11-17 04:54:29,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:54:29,999 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:54:30,012 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-17 04:54:30,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2024-11-17 04:54:30,204 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-17 04:54:30,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:54:30,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1734289513, now seen corresponding path program 2 times [2024-11-17 04:54:30,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:54:30,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197628164] [2024-11-17 04:54:30,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:54:30,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:54:30,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:30,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:54:30,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:30,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-17 04:54:30,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:30,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-17 04:54:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:30,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-17 04:54:30,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:30,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-17 04:54:30,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:30,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:54:30,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:30,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-17 04:54:30,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:30,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-17 04:54:30,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:30,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-17 04:54:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:30,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-17 04:54:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:30,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-17 04:54:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:30,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-17 04:54:30,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:30,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-17 04:54:30,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:30,426 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-17 04:54:30,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:54:30,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197628164] [2024-11-17 04:54:30,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197628164] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:54:30,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419574336] [2024-11-17 04:54:30,426 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:54:30,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:54:30,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:54:30,428 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) [2024-11-17 04:54:30,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-17 04:54:30,495 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:54:30,496 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:54:30,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-17 04:54:30,499 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:54:30,684 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 48 proven. 476 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-17 04:54:30,684 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:54:30,944 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-17 04:54:30,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419574336] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:54:30,944 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:54:30,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 12] total 25 [2024-11-17 04:54:30,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052623354] [2024-11-17 04:54:30,944 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:54:30,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-17 04:54:30,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:54:30,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-17 04:54:30,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=423, Unknown=0, NotChecked=0, Total=600 [2024-11-17 04:54:30,946 INFO L87 Difference]: Start difference. First operand 360 states and 392 transitions. Second operand has 25 states, 25 states have (on average 13.8) internal successors, (345), 25 states have internal predecessors, (345), 9 states have call successors, (38), 6 states have call predecessors, (38), 6 states have return successors, (38), 9 states have call predecessors, (38), 9 states have call successors, (38) [2024-11-17 04:54:31,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:54:31,267 INFO L93 Difference]: Finished difference Result 526 states and 556 transitions. [2024-11-17 04:54:31,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-17 04:54:31,268 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 13.8) internal successors, (345), 25 states have internal predecessors, (345), 9 states have call successors, (38), 6 states have call predecessors, (38), 6 states have return successors, (38), 9 states have call predecessors, (38), 9 states have call successors, (38) Word has length 230 [2024-11-17 04:54:31,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:54:31,269 INFO L225 Difference]: With dead ends: 526 [2024-11-17 04:54:31,269 INFO L226 Difference]: Without dead ends: 489 [2024-11-17 04:54:31,270 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 514 GetRequests, 473 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 429 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=576, Invalid=1230, Unknown=0, NotChecked=0, Total=1806 [2024-11-17 04:54:31,271 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 157 mSDsluCounter, 901 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 969 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:54:31,271 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 969 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:54:31,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2024-11-17 04:54:31,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 474. [2024-11-17 04:54:31,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 424 states have (on average 1.0518867924528301) internal successors, (446), 430 states have internal predecessors, (446), 32 states have call successors, (32), 11 states have call predecessors, (32), 11 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-17 04:54:31,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 510 transitions. [2024-11-17 04:54:31,299 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 510 transitions. Word has length 230 [2024-11-17 04:54:31,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:54:31,299 INFO L471 AbstractCegarLoop]: Abstraction has 474 states and 510 transitions. [2024-11-17 04:54:31,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 13.8) internal successors, (345), 25 states have internal predecessors, (345), 9 states have call successors, (38), 6 states have call predecessors, (38), 6 states have return successors, (38), 9 states have call predecessors, (38), 9 states have call successors, (38) [2024-11-17 04:54:31,299 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 510 transitions. [2024-11-17 04:54:31,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2024-11-17 04:54:31,301 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:54:31,301 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1] [2024-11-17 04:54:31,317 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-17 04:54:31,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:54:31,505 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-17 04:54:31,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:54:31,505 INFO L85 PathProgramCache]: Analyzing trace with hash 558256514, now seen corresponding path program 2 times [2024-11-17 04:54:31,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:54:31,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61466238] [2024-11-17 04:54:31,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:54:31,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:54:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:54:31,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1744632222] [2024-11-17 04:54:31,529 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:54:31,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:54:31,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:54:31,530 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) [2024-11-17 04:54:31,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-17 04:54:31,589 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:54:31,590 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:54:31,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-17 04:54:31,593 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:54:31,751 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 304 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-17 04:54:31,752 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:54:32,058 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 304 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-17 04:54:32,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:54:32,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61466238] [2024-11-17 04:54:32,059 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:54:32,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744632222] [2024-11-17 04:54:32,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1744632222] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:54:32,059 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:54:32,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-17 04:54:32,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860915853] [2024-11-17 04:54:32,059 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:54:32,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 04:54:32,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:54:32,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 04:54:32,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:54:32,061 INFO L87 Difference]: Start difference. First operand 474 states and 510 transitions. Second operand has 12 states, 11 states have (on average 30.181818181818183) internal successors, (332), 12 states have internal predecessors, (332), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2024-11-17 04:54:32,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:54:32,470 INFO L93 Difference]: Finished difference Result 496 states and 523 transitions. [2024-11-17 04:54:32,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 04:54:32,471 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 30.181818181818183) internal successors, (332), 12 states have internal predecessors, (332), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) Word has length 230 [2024-11-17 04:54:32,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:54:32,475 INFO L225 Difference]: With dead ends: 496 [2024-11-17 04:54:32,475 INFO L226 Difference]: Without dead ends: 495 [2024-11-17 04:54:32,475 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 462 GetRequests, 448 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:54:32,475 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 156 mSDsluCounter, 717 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 891 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:54:32,475 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 891 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:54:32,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2024-11-17 04:54:32,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 485. [2024-11-17 04:54:32,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 485 states, 434 states have (on average 1.0391705069124424) internal successors, (451), 440 states have internal predecessors, (451), 33 states have call successors, (33), 11 states have call predecessors, (33), 11 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-17 04:54:32,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 517 transitions. [2024-11-17 04:54:32,508 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 517 transitions. Word has length 230 [2024-11-17 04:54:32,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:54:32,508 INFO L471 AbstractCegarLoop]: Abstraction has 485 states and 517 transitions. [2024-11-17 04:54:32,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 30.181818181818183) internal successors, (332), 12 states have internal predecessors, (332), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2024-11-17 04:54:32,509 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 517 transitions. [2024-11-17 04:54:32,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2024-11-17 04:54:32,510 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:54:32,510 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1] [2024-11-17 04:54:32,524 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-17 04:54:32,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:54:32,714 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-17 04:54:32,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:54:32,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1857688787, now seen corresponding path program 2 times [2024-11-17 04:54:32,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:54:32,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533208030] [2024-11-17 04:54:32,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:54:32,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:54:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:54:32,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [389487931] [2024-11-17 04:54:32,736 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:54:32,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:54:32,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:54:32,738 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:54:32,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-17 04:54:32,881 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:54:32,882 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:54:32,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-17 04:54:32,886 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:54:33,076 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 0 proven. 316 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-17 04:54:33,076 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:54:33,389 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 0 proven. 316 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-17 04:54:33,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:54:33,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533208030] [2024-11-17 04:54:33,389 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:54:33,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389487931] [2024-11-17 04:54:33,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [389487931] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:54:33,390 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:54:33,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-17 04:54:33,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745904025] [2024-11-17 04:54:33,390 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:54:33,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 04:54:33,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:54:33,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 04:54:33,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:54:33,391 INFO L87 Difference]: Start difference. First operand 485 states and 517 transitions. Second operand has 12 states, 11 states have (on average 30.545454545454547) internal successors, (336), 12 states have internal predecessors, (336), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) [2024-11-17 04:54:33,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:54:33,795 INFO L93 Difference]: Finished difference Result 491 states and 522 transitions. [2024-11-17 04:54:33,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 04:54:33,795 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 30.545454545454547) internal successors, (336), 12 states have internal predecessors, (336), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) Word has length 237 [2024-11-17 04:54:33,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:54:33,797 INFO L225 Difference]: With dead ends: 491 [2024-11-17 04:54:33,797 INFO L226 Difference]: Without dead ends: 490 [2024-11-17 04:54:33,797 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 476 GetRequests, 462 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:54:33,798 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 113 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:54:33,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 879 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:54:33,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2024-11-17 04:54:33,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 488. [2024-11-17 04:54:33,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 436 states have (on average 1.0275229357798166) internal successors, (448), 442 states have internal predecessors, (448), 34 states have call successors, (34), 11 states have call predecessors, (34), 11 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-17 04:54:33,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 516 transitions. [2024-11-17 04:54:33,814 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 516 transitions. Word has length 237 [2024-11-17 04:54:33,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:54:33,814 INFO L471 AbstractCegarLoop]: Abstraction has 488 states and 516 transitions. [2024-11-17 04:54:33,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 30.545454545454547) internal successors, (336), 12 states have internal predecessors, (336), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) [2024-11-17 04:54:33,815 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 516 transitions. [2024-11-17 04:54:33,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2024-11-17 04:54:33,817 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:54:33,818 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 1, 1, 1] [2024-11-17 04:54:33,827 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-17 04:54:34,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-17 04:54:34,019 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-17 04:54:34,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:54:34,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1685862835, now seen corresponding path program 2 times [2024-11-17 04:54:34,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:54:34,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412083126] [2024-11-17 04:54:34,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:54:34,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:54:34,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:34,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:54:34,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:34,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-17 04:54:34,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:34,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-17 04:54:34,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:34,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-17 04:54:34,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:34,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-17 04:54:34,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:34,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:54:34,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:34,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-17 04:54:34,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:34,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-17 04:54:34,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:34,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-17 04:54:34,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:34,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-17 04:54:34,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:34,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-17 04:54:34,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:34,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-17 04:54:34,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:34,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-17 04:54:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:34,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-17 04:54:34,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:34,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-17 04:54:34,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:34,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-17 04:54:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:34,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-17 04:54:34,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:34,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-11-17 04:54:34,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:34,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-17 04:54:34,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:34,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-11-17 04:54:34,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:34,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-11-17 04:54:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:34,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1674 backedges. 0 proven. 834 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-17 04:54:34,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:54:34,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412083126] [2024-11-17 04:54:34,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412083126] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:54:34,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344508656] [2024-11-17 04:54:34,475 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:54:34,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:54:34,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:54:34,477 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:54:34,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-17 04:54:34,551 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:54:34,551 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:54:34,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:54:34,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:54:34,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1674 backedges. 36 proven. 48 refuted. 0 times theorem prover too weak. 1590 trivial. 0 not checked. [2024-11-17 04:54:34,855 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:54:35,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1674 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 1590 trivial. 0 not checked. [2024-11-17 04:54:35,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [344508656] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:54:35,200 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:54:35,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5, 5] total 23 [2024-11-17 04:54:35,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905678447] [2024-11-17 04:54:35,200 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:54:35,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-17 04:54:35,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:54:35,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-17 04:54:35,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=478, Unknown=0, NotChecked=0, Total=552 [2024-11-17 04:54:35,202 INFO L87 Difference]: Start difference. First operand 488 states and 516 transitions. Second operand has 24 states, 23 states have (on average 15.956521739130435) internal successors, (367), 24 states have internal predecessors, (367), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) [2024-11-17 04:54:36,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:54:36,564 INFO L93 Difference]: Finished difference Result 488 states and 516 transitions. [2024-11-17 04:54:36,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-17 04:54:36,564 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 15.956521739130435) internal successors, (367), 24 states have internal predecessors, (367), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) Word has length 365 [2024-11-17 04:54:36,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:54:36,566 INFO L225 Difference]: With dead ends: 488 [2024-11-17 04:54:36,566 INFO L226 Difference]: Without dead ends: 487 [2024-11-17 04:54:36,567 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 819 GetRequests, 763 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 709 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=511, Invalid=2795, Unknown=0, NotChecked=0, Total=3306 [2024-11-17 04:54:36,567 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 502 mSDsluCounter, 1630 mSDsCounter, 0 mSdLazyCounter, 1755 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 502 SdHoareTripleChecker+Valid, 1822 SdHoareTripleChecker+Invalid, 1833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 1755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-17 04:54:36,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [502 Valid, 1822 Invalid, 1833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 1755 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-17 04:54:36,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2024-11-17 04:54:36,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 487. [2024-11-17 04:54:36,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 436 states have (on average 1.018348623853211) internal successors, (444), 441 states have internal predecessors, (444), 34 states have call successors, (34), 11 states have call predecessors, (34), 11 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-17 04:54:36,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 512 transitions. [2024-11-17 04:54:36,597 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 512 transitions. Word has length 365 [2024-11-17 04:54:36,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:54:36,597 INFO L471 AbstractCegarLoop]: Abstraction has 487 states and 512 transitions. [2024-11-17 04:54:36,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 15.956521739130435) internal successors, (367), 24 states have internal predecessors, (367), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) [2024-11-17 04:54:36,598 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 512 transitions. [2024-11-17 04:54:36,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2024-11-17 04:54:36,599 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:54:36,599 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1] [2024-11-17 04:54:36,613 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-17 04:54:36,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:54:36,800 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-17 04:54:36,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:54:36,801 INFO L85 PathProgramCache]: Analyzing trace with hash -263019631, now seen corresponding path program 3 times [2024-11-17 04:54:36,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:54:36,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036679133] [2024-11-17 04:54:36,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:54:36,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:54:36,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:37,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:54:37,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:37,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-17 04:54:37,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:37,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-17 04:54:37,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:37,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-17 04:54:37,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:37,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-17 04:54:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:37,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:54:37,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:37,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-17 04:54:37,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:37,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-17 04:54:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:37,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-17 04:54:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:37,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-17 04:54:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:37,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-17 04:54:37,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:37,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-17 04:54:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:37,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-17 04:54:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:37,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-17 04:54:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:37,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-17 04:54:37,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:37,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-17 04:54:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:37,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-17 04:54:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:37,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-11-17 04:54:37,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:37,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-17 04:54:37,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:37,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-11-17 04:54:37,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:37,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-11-17 04:54:37,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:37,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2024-11-17 04:54:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:37,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2024-11-17 04:54:37,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:37,293 INFO L134 CoverageAnalysis]: Checked inductivity of 1999 backedges. 0 proven. 987 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-17 04:54:37,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:54:37,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036679133] [2024-11-17 04:54:37,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036679133] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:54:37,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1404782790] [2024-11-17 04:54:37,294 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:54:37,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:54:37,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:54:37,295 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:54:37,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-17 04:54:37,355 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-17 04:54:37,355 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:54:37,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-17 04:54:37,360 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:54:37,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1999 backedges. 126 proven. 201 refuted. 0 times theorem prover too weak. 1672 trivial. 0 not checked. [2024-11-17 04:54:37,905 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:54:38,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1404782790] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:54:38,614 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:54:38,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 8] total 23 [2024-11-17 04:54:38,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935670074] [2024-11-17 04:54:38,614 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:54:38,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-17 04:54:38,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:54:38,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-17 04:54:38,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=763, Unknown=0, NotChecked=0, Total=870 [2024-11-17 04:54:38,616 INFO L87 Difference]: Start difference. First operand 487 states and 512 transitions. Second operand has 24 states, 23 states have (on average 15.347826086956522) internal successors, (353), 24 states have internal predecessors, (353), 11 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) [2024-11-17 04:54:41,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:54:41,508 INFO L93 Difference]: Finished difference Result 489 states and 514 transitions. [2024-11-17 04:54:41,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-17 04:54:41,508 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 15.347826086956522) internal successors, (353), 24 states have internal predecessors, (353), 11 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) Word has length 395 [2024-11-17 04:54:41,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:54:41,510 INFO L225 Difference]: With dead ends: 489 [2024-11-17 04:54:41,510 INFO L226 Difference]: Without dead ends: 485 [2024-11-17 04:54:41,511 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 541 GetRequests, 468 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1242 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=964, Invalid=4586, Unknown=0, NotChecked=0, Total=5550 [2024-11-17 04:54:41,511 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 625 mSDsluCounter, 1142 mSDsCounter, 0 mSdLazyCounter, 3022 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 625 SdHoareTripleChecker+Valid, 1233 SdHoareTripleChecker+Invalid, 3116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 3022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-17 04:54:41,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [625 Valid, 1233 Invalid, 3116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 3022 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-17 04:54:41,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2024-11-17 04:54:41,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 483. [2024-11-17 04:54:41,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 434 states have (on average 1.0092165898617511) internal successors, (438), 437 states have internal predecessors, (438), 34 states have call successors, (34), 11 states have call predecessors, (34), 11 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-17 04:54:41,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 506 transitions. [2024-11-17 04:54:41,531 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 506 transitions. Word has length 395 [2024-11-17 04:54:41,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:54:41,532 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 506 transitions. [2024-11-17 04:54:41,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 15.347826086956522) internal successors, (353), 24 states have internal predecessors, (353), 11 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) [2024-11-17 04:54:41,532 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 506 transitions. [2024-11-17 04:54:41,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2024-11-17 04:54:41,534 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:54:41,534 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:54:41,550 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-17 04:54:41,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:54:41,739 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-17 04:54:41,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:54:41,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1341167255, now seen corresponding path program 3 times [2024-11-17 04:54:41,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:54:41,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419988044] [2024-11-17 04:54:41,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:54:41,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:54:41,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:42,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:54:42,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:42,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-17 04:54:42,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:42,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-17 04:54:42,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:42,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-17 04:54:42,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:42,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-17 04:54:42,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:42,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:54:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:42,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-17 04:54:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:42,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-17 04:54:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:42,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-17 04:54:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:42,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-17 04:54:42,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:42,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-17 04:54:42,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:42,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-17 04:54:42,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:42,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-17 04:54:42,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:42,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-17 04:54:42,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:42,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-17 04:54:42,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:42,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-17 04:54:42,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:42,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-17 04:54:42,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:42,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-11-17 04:54:42,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:42,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-17 04:54:42,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:42,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-11-17 04:54:42,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:42,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-11-17 04:54:42,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:42,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2024-11-17 04:54:42,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:42,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2024-11-17 04:54:42,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:42,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2024-11-17 04:54:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:42,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2024-11-17 04:54:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:42,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2024-11-17 04:54:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:42,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2024-11-17 04:54:42,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:42,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2024-11-17 04:54:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:42,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2024-11-17 04:54:42,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:42,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2024-11-17 04:54:42,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:42,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2024-11-17 04:54:42,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:54:42,390 INFO L134 CoverageAnalysis]: Checked inductivity of 3710 backedges. 0 proven. 1850 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-17 04:54:42,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:54:42,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419988044] [2024-11-17 04:54:42,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419988044] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:54:42,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003189312] [2024-11-17 04:54:42,391 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:54:42,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:54:42,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:54:42,393 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:54:42,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-17 04:54:42,449 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-17 04:54:42,449 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:54:42,450 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-17 04:54:42,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:54:43,200 INFO L134 CoverageAnalysis]: Checked inductivity of 3710 backedges. 228 proven. 131 refuted. 0 times theorem prover too weak. 3351 trivial. 0 not checked. [2024-11-17 04:54:43,201 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:54:48,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003189312] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:54:48,545 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:54:48,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 9] total 33 [2024-11-17 04:54:48,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548072816] [2024-11-17 04:54:48,546 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:54:48,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-17 04:54:48,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:54:48,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-17 04:54:48,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=241, Invalid=1399, Unknown=0, NotChecked=0, Total=1640 [2024-11-17 04:54:48,548 INFO L87 Difference]: Start difference. First operand 483 states and 506 transitions. Second operand has 33 states, 33 states have (on average 14.0) internal successors, (462), 32 states have internal predecessors, (462), 14 states have call successors, (36), 1 states have call predecessors, (36), 2 states have return successors, (36), 14 states have call predecessors, (36), 14 states have call successors, (36) [2024-11-17 04:54:56,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:54:56,237 INFO L93 Difference]: Finished difference Result 533 states and 559 transitions. [2024-11-17 04:54:56,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-11-17 04:54:56,237 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 14.0) internal successors, (462), 32 states have internal predecessors, (462), 14 states have call successors, (36), 1 states have call predecessors, (36), 2 states have return successors, (36), 14 states have call predecessors, (36), 14 states have call successors, (36) Word has length 542 [2024-11-17 04:54:56,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:54:56,238 INFO L225 Difference]: With dead ends: 533 [2024-11-17 04:54:56,238 INFO L226 Difference]: Without dead ends: 0 [2024-11-17 04:54:56,243 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 772 GetRequests, 636 SyntacticMatches, 0 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5712 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=3300, Invalid=15606, Unknown=0, NotChecked=0, Total=18906 [2024-11-17 04:54:56,243 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 1192 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 824 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1192 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 824 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:54:56,244 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1192 Valid, 217 Invalid, 997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 824 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-17 04:54:56,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-17 04:54:56,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-17 04:54:56,245 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) [2024-11-17 04:54:56,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-17 04:54:56,245 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 542 [2024-11-17 04:54:56,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:54:56,245 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 04:54:56,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 14.0) internal successors, (462), 32 states have internal predecessors, (462), 14 states have call successors, (36), 1 states have call predecessors, (36), 2 states have return successors, (36), 14 states have call predecessors, (36), 14 states have call successors, (36) [2024-11-17 04:54:56,246 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-17 04:54:56,246 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-17 04:54:56,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 52 remaining) [2024-11-17 04:54:56,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 52 remaining) [2024-11-17 04:54:56,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 52 remaining) [2024-11-17 04:54:56,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 52 remaining) [2024-11-17 04:54:56,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 52 remaining) [2024-11-17 04:54:56,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 52 remaining) [2024-11-17 04:54:56,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 52 remaining) [2024-11-17 04:54:56,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 52 remaining) [2024-11-17 04:54:56,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 52 remaining) [2024-11-17 04:54:56,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 52 remaining) [2024-11-17 04:54:56,250 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 52 remaining) [2024-11-17 04:54:56,250 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 52 remaining) [2024-11-17 04:54:56,250 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 52 remaining) [2024-11-17 04:54:56,250 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 52 remaining) [2024-11-17 04:54:56,250 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 52 remaining) [2024-11-17 04:54:56,250 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 52 remaining) [2024-11-17 04:54:56,250 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 52 remaining) [2024-11-17 04:54:56,250 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 52 remaining) [2024-11-17 04:54:56,250 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 52 remaining) [2024-11-17 04:54:56,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 52 remaining) [2024-11-17 04:54:56,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 52 remaining) [2024-11-17 04:54:56,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 52 remaining) [2024-11-17 04:54:56,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 52 remaining) [2024-11-17 04:54:56,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 52 remaining) [2024-11-17 04:54:56,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 52 remaining) [2024-11-17 04:54:56,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 52 remaining) [2024-11-17 04:54:56,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 52 remaining) [2024-11-17 04:54:56,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 52 remaining) [2024-11-17 04:54:56,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 52 remaining) [2024-11-17 04:54:56,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 52 remaining) [2024-11-17 04:54:56,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 52 remaining) [2024-11-17 04:54:56,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 52 remaining) [2024-11-17 04:54:56,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 52 remaining) [2024-11-17 04:54:56,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 52 remaining) [2024-11-17 04:54:56,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 52 remaining) [2024-11-17 04:54:56,252 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 52 remaining) [2024-11-17 04:54:56,252 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 52 remaining) [2024-11-17 04:54:56,252 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 52 remaining) [2024-11-17 04:54:56,252 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 52 remaining) [2024-11-17 04:54:56,252 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 52 remaining) [2024-11-17 04:54:56,252 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 52 remaining) [2024-11-17 04:54:56,252 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 52 remaining) [2024-11-17 04:54:56,252 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 52 remaining) [2024-11-17 04:54:56,252 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 52 remaining) [2024-11-17 04:54:56,252 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 52 remaining) [2024-11-17 04:54:56,252 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 52 remaining) [2024-11-17 04:54:56,252 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 52 remaining) [2024-11-17 04:54:56,252 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 52 remaining) [2024-11-17 04:54:56,252 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 52 remaining) [2024-11-17 04:54:56,252 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 52 remaining) [2024-11-17 04:54:56,252 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 52 remaining) [2024-11-17 04:54:56,253 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 52 remaining) [2024-11-17 04:54:56,267 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-17 04:54:56,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:54:56,456 INFO L407 BasicCegarLoop]: Path program histogram: [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:54:56,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-17 04:54:57,757 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 04:54:57,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 04:54:57 BoogieIcfgContainer [2024-11-17 04:54:57,776 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 04:54:57,777 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 04:54:57,777 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 04:54:57,777 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 04:54:57,777 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:54:19" (3/4) ... [2024-11-17 04:54:57,779 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-17 04:54:57,782 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-17 04:54:57,786 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-17 04:54:57,787 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-17 04:54:57,787 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-17 04:54:57,787 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-17 04:54:57,862 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 04:54:57,862 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-17 04:54:57,862 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 04:54:57,863 INFO L158 Benchmark]: Toolchain (without parser) took 39476.67ms. Allocated memory was 157.3MB in the beginning and 373.3MB in the end (delta: 216.0MB). Free memory was 87.2MB in the beginning and 174.8MB in the end (delta: -87.6MB). Peak memory consumption was 130.0MB. Max. memory is 16.1GB. [2024-11-17 04:54:57,863 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 04:54:57,863 INFO L158 Benchmark]: CACSL2BoogieTranslator took 204.86ms. Allocated memory is still 157.3MB. Free memory was 87.0MB in the beginning and 74.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-17 04:54:57,863 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.69ms. Allocated memory is still 157.3MB. Free memory was 74.4MB in the beginning and 72.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 04:54:57,863 INFO L158 Benchmark]: Boogie Preprocessor took 58.33ms. Allocated memory is still 157.3MB. Free memory was 72.5MB in the beginning and 128.4MB in the end (delta: -55.8MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2024-11-17 04:54:57,863 INFO L158 Benchmark]: IcfgBuilder took 485.77ms. Allocated memory is still 157.3MB. Free memory was 128.4MB in the beginning and 109.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-17 04:54:57,864 INFO L158 Benchmark]: TraceAbstraction took 38610.11ms. Allocated memory was 157.3MB in the beginning and 373.3MB in the end (delta: 216.0MB). Free memory was 108.8MB in the beginning and 181.1MB in the end (delta: -72.4MB). Peak memory consumption was 207.0MB. Max. memory is 16.1GB. [2024-11-17 04:54:57,864 INFO L158 Benchmark]: Witness Printer took 85.77ms. Allocated memory is still 373.3MB. Free memory was 181.1MB in the beginning and 174.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-17 04:54:57,865 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 204.86ms. Allocated memory is still 157.3MB. Free memory was 87.0MB in the beginning and 74.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.69ms. Allocated memory is still 157.3MB. Free memory was 74.4MB in the beginning and 72.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.33ms. Allocated memory is still 157.3MB. Free memory was 72.5MB in the beginning and 128.4MB in the end (delta: -55.8MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * IcfgBuilder took 485.77ms. Allocated memory is still 157.3MB. Free memory was 128.4MB in the beginning and 109.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 38610.11ms. Allocated memory was 157.3MB in the beginning and 373.3MB in the end (delta: 216.0MB). Free memory was 108.8MB in the beginning and 181.1MB in the end (delta: -72.4MB). Peak memory consumption was 207.0MB. Max. memory is 16.1GB. * Witness Printer took 85.77ms. Allocated memory is still 373.3MB. Free memory was 181.1MB in the beginning and 174.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: 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 - 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 - 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 - 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: 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: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 129 locations, 52 error locations. Started 1 CEGAR loops. OverallTime: 37.2s, OverallIterations: 26, TraceHistogramMax: 31, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 16.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4862 SdHoareTripleChecker+Valid, 6.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4795 mSDsluCounter, 11797 SdHoareTripleChecker+Invalid, 5.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9254 mSDsCounter, 597 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9555 IncrementalHoareTripleChecker+Invalid, 10152 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 597 mSolverCounterUnsat, 2543 mSDtfsCounter, 9555 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5672 GetRequests, 5192 SyntacticMatches, 0 SemanticMatches, 480 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8655 ImplicationChecksByTransitivity, 12.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=488occurred in iteration=23, InterpolantAutomatonStates: 378, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 26 MinimizatonAttempts, 522 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 15.3s InterpolantComputationTime, 6387 NumberOfCodeBlocks, 5592 NumberOfCodeBlocksAsserted, 53 NumberOfCheckSat, 7545 ConstructedInterpolants, 4 QuantifiedInterpolants, 30715 SizeOfPredicates, 27 NumberOfNonLiveVariables, 3581 ConjunctsInSsa, 135 ConjunctsInUnsatCore, 52 InterpolantComputations, 12 PerfectInterpolantSequences, 16170/23700 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 52 specifications checked. All of them hold - InvariantResult [Line: 30]: Location Invariant Derived location invariant: null - ProcedureContractResult [Line: 11]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (((cond != 0) || ((counter + 2147483648) < 0)) && (counter == \old(counter))) RESULT: Ultimate proved your program to be correct! [2024-11-17 04:54:57,943 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE