./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound5.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 1b50d522769b95768e9038f61a48a3b927d40a7b91b44cb14af45fcd08759b69 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 20:31:21,053 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 20:31:21,119 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-24 20:31:21,123 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 20:31:21,125 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 20:31:21,147 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 20:31:21,148 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 20:31:21,148 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 20:31:21,149 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 20:31:21,149 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 20:31:21,149 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 20:31:21,150 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 20:31:21,150 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 20:31:21,151 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 20:31:21,151 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 20:31:21,152 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 20:31:21,152 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 20:31:21,152 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 20:31:21,153 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 20:31:21,153 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 20:31:21,153 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 20:31:21,154 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 20:31:21,154 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 20:31:21,155 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 20:31:21,155 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 20:31:21,155 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 20:31:21,155 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 20:31:21,156 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 20:31:21,156 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 20:31:21,156 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 20:31:21,157 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 20:31:21,157 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 20:31:21,157 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 20:31:21,157 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 20:31:21,158 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 20:31:21,158 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 20:31:21,158 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 20:31:21,158 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 20:31:21,158 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 20:31:21,159 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 20:31:21,159 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 20:31:21,160 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 20:31:21,160 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 20:31:21,160 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 20:31:21,161 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b50d522769b95768e9038f61a48a3b927d40a7b91b44cb14af45fcd08759b69 [2024-10-24 20:31:21,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 20:31:21,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 20:31:21,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 20:31:21,450 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 20:31:21,450 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 20:31:21,451 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound5.c [2024-10-24 20:31:22,817 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 20:31:22,989 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 20:31:22,989 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound5.c [2024-10-24 20:31:22,998 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79683ea7e/933eaae2af2042af9367f3cd950abb30/FLAG54a9b295c [2024-10-24 20:31:23,012 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79683ea7e/933eaae2af2042af9367f3cd950abb30 [2024-10-24 20:31:23,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 20:31:23,015 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 20:31:23,017 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 20:31:23,017 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 20:31:23,022 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 20:31:23,023 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:31:23" (1/1) ... [2024-10-24 20:31:23,023 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e1248d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:23, skipping insertion in model container [2024-10-24 20:31:23,024 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:31:23" (1/1) ... [2024-10-24 20:31:23,043 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 20:31:23,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 20:31:23,227 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 20:31:23,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 20:31:23,267 INFO L204 MainTranslator]: Completed translation [2024-10-24 20:31:23,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:23 WrapperNode [2024-10-24 20:31:23,268 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 20:31:23,269 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 20:31:23,270 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 20:31:23,270 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 20:31:23,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:23" (1/1) ... [2024-10-24 20:31:23,282 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:23" (1/1) ... [2024-10-24 20:31:23,298 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2024-10-24 20:31:23,298 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 20:31:23,299 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 20:31:23,299 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 20:31:23,299 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 20:31:23,309 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:23" (1/1) ... [2024-10-24 20:31:23,310 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:23" (1/1) ... [2024-10-24 20:31:23,316 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:23" (1/1) ... [2024-10-24 20:31:23,331 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]. [2024-10-24 20:31:23,331 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:23" (1/1) ... [2024-10-24 20:31:23,331 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:23" (1/1) ... [2024-10-24 20:31:23,336 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:23" (1/1) ... [2024-10-24 20:31:23,340 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:23" (1/1) ... [2024-10-24 20:31:23,342 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:23" (1/1) ... [2024-10-24 20:31:23,343 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:23" (1/1) ... [2024-10-24 20:31:23,344 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 20:31:23,345 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 20:31:23,345 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 20:31:23,345 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 20:31:23,349 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:23" (1/1) ... [2024-10-24 20:31:23,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 20:31:23,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:31:23,385 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) [2024-10-24 20:31:23,388 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 [2024-10-24 20:31:23,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 20:31:23,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 20:31:23,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 20:31:23,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 20:31:23,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-24 20:31:23,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-24 20:31:23,520 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 20:31:23,522 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 20:31:23,821 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-10-24 20:31:23,821 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 20:31:23,856 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 20:31:23,856 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 20:31:23,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:31:23 BoogieIcfgContainer [2024-10-24 20:31:23,856 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 20:31:23,858 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 20:31:23,860 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 20:31:23,863 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 20:31:23,863 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 08:31:23" (1/3) ... [2024-10-24 20:31:23,864 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51f08c92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:31:23, skipping insertion in model container [2024-10-24 20:31:23,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:23" (2/3) ... [2024-10-24 20:31:23,864 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51f08c92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:31:23, skipping insertion in model container [2024-10-24 20:31:23,865 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:31:23" (3/3) ... [2024-10-24 20:31:23,867 INFO L112 eAbstractionObserver]: Analyzing ICFG ps2-ll_valuebound5.c [2024-10-24 20:31:23,881 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 20:31:23,881 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-10-24 20:31:23,945 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 20:31:23,954 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;@6ea92efa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 20:31:23,955 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-10-24 20:31:23,959 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 31 states have (on average 1.8709677419354838) internal successors, (58), 53 states have internal predecessors, (58), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:31:23,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-24 20:31:23,965 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:31:23,965 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-24 20:31:23,967 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-24 20:31:23,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:31:23,972 INFO L85 PathProgramCache]: Analyzing trace with hash 115598281, now seen corresponding path program 1 times [2024-10-24 20:31:23,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:31:23,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382064460] [2024-10-24 20:31:23,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:31:23,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:31:24,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:24,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:31:24,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:31:24,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382064460] [2024-10-24 20:31:24,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382064460] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:31:24,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:31:24,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:31:24,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650462980] [2024-10-24 20:31:24,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:31:24,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 20:31:24,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:31:24,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 20:31:24,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 20:31:24,128 INFO L87 Difference]: Start difference. First operand has 57 states, 31 states have (on average 1.8709677419354838) internal successors, (58), 53 states have internal predecessors, (58), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:31:24,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:31:24,156 INFO L93 Difference]: Finished difference Result 110 states and 123 transitions. [2024-10-24 20:31:24,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 20:31:24,159 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-24 20:31:24,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:31:24,165 INFO L225 Difference]: With dead ends: 110 [2024-10-24 20:31:24,165 INFO L226 Difference]: Without dead ends: 52 [2024-10-24 20:31:24,169 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 20:31:24,173 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:31:24,174 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 54 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:31:24,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-10-24 20:31:24,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-10-24 20:31:24,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 30 states have (on average 1.6666666666666667) internal successors, (50), 49 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:31:24,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 52 transitions. [2024-10-24 20:31:24,202 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 52 transitions. Word has length 5 [2024-10-24 20:31:24,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:31:24,202 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 52 transitions. [2024-10-24 20:31:24,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:31:24,203 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2024-10-24 20:31:24,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-24 20:31:24,203 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:31:24,203 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-24 20:31:24,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 20:31:24,204 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-24 20:31:24,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:31:24,204 INFO L85 PathProgramCache]: Analyzing trace with hash -709572716, now seen corresponding path program 1 times [2024-10-24 20:31:24,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:31:24,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785155624] [2024-10-24 20:31:24,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:31:24,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:31:24,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:31:24,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1958419726] [2024-10-24 20:31:24,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:31:24,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:31:24,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:31:24,223 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) [2024-10-24 20:31:24,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 20:31:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:24,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 20:31:24,271 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:31:24,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:31:24,293 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:31:24,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:31:24,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785155624] [2024-10-24 20:31:24,297 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:31:24,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958419726] [2024-10-24 20:31:24,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1958419726] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:31:24,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:31:24,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:31:24,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457796021] [2024-10-24 20:31:24,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:31:24,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:31:24,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:31:24,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:31:24,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:31:24,300 INFO L87 Difference]: Start difference. First operand 52 states and 52 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:31:24,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:31:24,392 INFO L93 Difference]: Finished difference Result 85 states and 94 transitions. [2024-10-24 20:31:24,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:31:24,392 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-24 20:31:24,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:31:24,394 INFO L225 Difference]: With dead ends: 85 [2024-10-24 20:31:24,394 INFO L226 Difference]: Without dead ends: 81 [2024-10-24 20:31:24,394 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:31:24,395 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 25 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:31:24,396 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 51 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:31:24,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-10-24 20:31:24,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 69. [2024-10-24 20:31:24,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 46 states have (on average 1.6304347826086956) internal successors, (75), 65 states have internal predecessors, (75), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:31:24,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 79 transitions. [2024-10-24 20:31:24,412 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 79 transitions. Word has length 6 [2024-10-24 20:31:24,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:31:24,412 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 79 transitions. [2024-10-24 20:31:24,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:31:24,412 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 79 transitions. [2024-10-24 20:31:24,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-24 20:31:24,413 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:31:24,413 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:31:24,431 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 20:31:24,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:31:24,619 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-24 20:31:24,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:31:24,620 INFO L85 PathProgramCache]: Analyzing trace with hash -521917662, now seen corresponding path program 1 times [2024-10-24 20:31:24,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:31:24,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719265683] [2024-10-24 20:31:24,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:31:24,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:31:24,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:24,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:31:24,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:31:24,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719265683] [2024-10-24 20:31:24,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719265683] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:31:24,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:31:24,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:31:24,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060738799] [2024-10-24 20:31:24,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:31:24,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:31:24,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:31:24,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:31:24,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:31:24,684 INFO L87 Difference]: Start difference. First operand 69 states and 79 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-10-24 20:31:24,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:31:24,764 INFO L93 Difference]: Finished difference Result 87 states and 94 transitions. [2024-10-24 20:31:24,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:31:24,765 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2024-10-24 20:31:24,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:31:24,766 INFO L225 Difference]: With dead ends: 87 [2024-10-24 20:31:24,766 INFO L226 Difference]: Without dead ends: 79 [2024-10-24 20:31:24,767 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 [2024-10-24 20:31:24,768 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 22 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:31:24,768 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 55 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:31:24,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-10-24 20:31:24,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 74. [2024-10-24 20:31:24,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 70 states have internal predecessors, (77), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:31:24,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 81 transitions. [2024-10-24 20:31:24,777 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 81 transitions. Word has length 7 [2024-10-24 20:31:24,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:31:24,778 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 81 transitions. [2024-10-24 20:31:24,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-10-24 20:31:24,778 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 81 transitions. [2024-10-24 20:31:24,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-24 20:31:24,778 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:31:24,778 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:31:24,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 20:31:24,779 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-24 20:31:24,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:31:24,780 INFO L85 PathProgramCache]: Analyzing trace with hash -667401448, now seen corresponding path program 1 times [2024-10-24 20:31:24,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:31:24,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509935071] [2024-10-24 20:31:24,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:31:24,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:31:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:24,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:31:24,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:31:24,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509935071] [2024-10-24 20:31:24,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509935071] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:31:24,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:31:24,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:31:24,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605230069] [2024-10-24 20:31:24,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:31:24,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:31:24,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:31:24,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:31:24,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:31:24,907 INFO L87 Difference]: Start difference. First operand 74 states and 81 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:31:25,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:31:25,036 INFO L93 Difference]: Finished difference Result 83 states and 86 transitions. [2024-10-24 20:31:25,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:31:25,036 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-10-24 20:31:25,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:31:25,037 INFO L225 Difference]: With dead ends: 83 [2024-10-24 20:31:25,037 INFO L226 Difference]: Without dead ends: 71 [2024-10-24 20:31:25,039 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:31:25,040 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 21 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:31:25,041 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 66 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:31:25,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-10-24 20:31:25,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 67. [2024-10-24 20:31:25,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 44 states have (on average 1.5) internal successors, (66), 63 states have internal predecessors, (66), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:31:25,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 70 transitions. [2024-10-24 20:31:25,055 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 70 transitions. Word has length 10 [2024-10-24 20:31:25,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:31:25,055 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 70 transitions. [2024-10-24 20:31:25,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:31:25,056 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 70 transitions. [2024-10-24 20:31:25,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-24 20:31:25,057 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:31:25,057 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:31:25,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 20:31:25,058 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-24 20:31:25,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:31:25,060 INFO L85 PathProgramCache]: Analyzing trace with hash 995753226, now seen corresponding path program 1 times [2024-10-24 20:31:25,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:31:25,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762895227] [2024-10-24 20:31:25,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:31:25,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:31:25,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:25,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:31:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:25,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:31:25,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:31:25,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762895227] [2024-10-24 20:31:25,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762895227] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:31:25,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:31:25,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:31:25,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166994135] [2024-10-24 20:31:25,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:31:25,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:31:25,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:31:25,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:31:25,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:31:25,139 INFO L87 Difference]: Start difference. First operand 67 states and 70 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:31:25,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:31:25,160 INFO L93 Difference]: Finished difference Result 69 states and 70 transitions. [2024-10-24 20:31:25,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:31:25,160 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2024-10-24 20:31:25,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:31:25,161 INFO L225 Difference]: With dead ends: 69 [2024-10-24 20:31:25,161 INFO L226 Difference]: Without dead ends: 67 [2024-10-24 20:31:25,162 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:31:25,163 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 1 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:31:25,163 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 92 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:31:25,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-10-24 20:31:25,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-10-24 20:31:25,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 44 states have (on average 1.4545454545454546) internal successors, (64), 63 states have internal predecessors, (64), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:31:25,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 68 transitions. [2024-10-24 20:31:25,169 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 68 transitions. Word has length 19 [2024-10-24 20:31:25,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:31:25,170 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 68 transitions. [2024-10-24 20:31:25,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:31:25,171 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 68 transitions. [2024-10-24 20:31:25,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-24 20:31:25,171 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:31:25,171 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:31:25,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 20:31:25,172 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-24 20:31:25,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:31:25,172 INFO L85 PathProgramCache]: Analyzing trace with hash -725405042, now seen corresponding path program 1 times [2024-10-24 20:31:25,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:31:25,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956665874] [2024-10-24 20:31:25,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:31:25,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:31:25,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:25,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:31:25,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:25,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:31:25,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:31:25,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956665874] [2024-10-24 20:31:25,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956665874] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:31:25,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:31:25,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:31:25,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484700826] [2024-10-24 20:31:25,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:31:25,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:31:25,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:31:25,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:31:25,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:31:25,316 INFO L87 Difference]: Start difference. First operand 67 states and 68 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:31:25,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:31:25,415 INFO L93 Difference]: Finished difference Result 70 states and 72 transitions. [2024-10-24 20:31:25,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:31:25,415 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2024-10-24 20:31:25,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:31:25,416 INFO L225 Difference]: With dead ends: 70 [2024-10-24 20:31:25,416 INFO L226 Difference]: Without dead ends: 69 [2024-10-24 20:31:25,417 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:31:25,417 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 1 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:31:25,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 63 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:31:25,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-10-24 20:31:25,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 68. [2024-10-24 20:31:25,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 45 states have (on average 1.4444444444444444) internal successors, (65), 64 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:31:25,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 69 transitions. [2024-10-24 20:31:25,430 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 69 transitions. Word has length 23 [2024-10-24 20:31:25,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:31:25,430 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 69 transitions. [2024-10-24 20:31:25,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:31:25,431 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 69 transitions. [2024-10-24 20:31:25,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-24 20:31:25,431 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:31:25,431 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:31:25,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 20:31:25,432 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-24 20:31:25,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:31:25,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1012719740, now seen corresponding path program 1 times [2024-10-24 20:31:25,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:31:25,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979314526] [2024-10-24 20:31:25,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:31:25,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:31:25,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:25,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:31:25,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:25,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:31:25,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:31:25,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979314526] [2024-10-24 20:31:25,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979314526] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:31:25,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:31:25,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:31:25,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052623643] [2024-10-24 20:31:25,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:31:25,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:31:25,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:31:25,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:31:25,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:31:25,591 INFO L87 Difference]: Start difference. First operand 68 states and 69 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:31:25,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:31:25,693 INFO L93 Difference]: Finished difference Result 70 states and 71 transitions. [2024-10-24 20:31:25,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:31:25,693 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2024-10-24 20:31:25,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:31:25,694 INFO L225 Difference]: With dead ends: 70 [2024-10-24 20:31:25,694 INFO L226 Difference]: Without dead ends: 69 [2024-10-24 20:31:25,694 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:31:25,695 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 0 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:31:25,695 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:31:25,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-10-24 20:31:25,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-10-24 20:31:25,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 46 states have (on average 1.434782608695652) internal successors, (66), 65 states have internal predecessors, (66), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:31:25,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 70 transitions. [2024-10-24 20:31:25,706 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 70 transitions. Word has length 24 [2024-10-24 20:31:25,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:31:25,706 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 70 transitions. [2024-10-24 20:31:25,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:31:25,706 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2024-10-24 20:31:25,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-24 20:31:25,707 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:31:25,707 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 20:31:25,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 20:31:25,707 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-24 20:31:25,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:31:25,707 INFO L85 PathProgramCache]: Analyzing trace with hash -2083439506, now seen corresponding path program 1 times [2024-10-24 20:31:25,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:31:25,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000192164] [2024-10-24 20:31:25,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:31:25,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:31:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:31:25,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [503344758] [2024-10-24 20:31:25,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:31:25,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:31:25,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:31:25,737 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) [2024-10-24 20:31:25,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 20:31:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:25,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:31:25,789 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:31:25,854 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:31:25,854 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:31:25,967 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:31:25,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:31:25,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000192164] [2024-10-24 20:31:25,968 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:31:25,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [503344758] [2024-10-24 20:31:25,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [503344758] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:31:25,969 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:31:25,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-10-24 20:31:25,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403930677] [2024-10-24 20:31:25,969 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:31:25,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 20:31:25,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:31:25,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 20:31:25,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-24 20:31:25,972 INFO L87 Difference]: Start difference. First operand 69 states and 70 transitions. Second operand has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:31:26,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:31:26,130 INFO L93 Difference]: Finished difference Result 135 states and 166 transitions. [2024-10-24 20:31:26,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 20:31:26,130 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 27 [2024-10-24 20:31:26,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:31:26,131 INFO L225 Difference]: With dead ends: 135 [2024-10-24 20:31:26,131 INFO L226 Difference]: Without dead ends: 131 [2024-10-24 20:31:26,131 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:31:26,132 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 105 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:31:26,132 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 89 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:31:26,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-10-24 20:31:26,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 103. [2024-10-24 20:31:26,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 81 states have (on average 1.4814814814814814) internal successors, (120), 97 states have internal predecessors, (120), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 20:31:26,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 128 transitions. [2024-10-24 20:31:26,152 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 128 transitions. Word has length 27 [2024-10-24 20:31:26,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:31:26,152 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 128 transitions. [2024-10-24 20:31:26,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:31:26,152 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 128 transitions. [2024-10-24 20:31:26,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-24 20:31:26,153 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:31:26,153 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] [2024-10-24 20:31:26,171 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 20:31:26,353 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,SelfDestructingSolverStorable7 [2024-10-24 20:31:26,354 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-24 20:31:26,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:31:26,354 INFO L85 PathProgramCache]: Analyzing trace with hash -162115192, now seen corresponding path program 1 times [2024-10-24 20:31:26,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:31:26,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289177382] [2024-10-24 20:31:26,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:31:26,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:31:26,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:26,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:31:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:26,435 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:31:26,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:31:26,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289177382] [2024-10-24 20:31:26,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289177382] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:31:26,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49691157] [2024-10-24 20:31:26,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:31:26,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:31:26,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:31:26,440 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) [2024-10-24 20:31:26,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 20:31:26,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:26,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:31:26,486 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:31:26,619 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:31:26,619 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:31:26,687 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:31:26,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49691157] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:31:26,688 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:31:26,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-10-24 20:31:26,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952521124] [2024-10-24 20:31:26,688 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:31:26,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 20:31:26,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:31:26,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 20:31:26,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:31:26,690 INFO L87 Difference]: Start difference. First operand 103 states and 128 transitions. Second operand has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:31:26,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:31:26,821 INFO L93 Difference]: Finished difference Result 103 states and 128 transitions. [2024-10-24 20:31:26,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 20:31:26,822 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 28 [2024-10-24 20:31:26,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:31:26,823 INFO L225 Difference]: With dead ends: 103 [2024-10-24 20:31:26,823 INFO L226 Difference]: Without dead ends: 100 [2024-10-24 20:31:26,823 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-10-24 20:31:26,824 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 47 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:31:26,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 72 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:31:26,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-10-24 20:31:26,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2024-10-24 20:31:26,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 81 states have (on average 1.3950617283950617) internal successors, (113), 94 states have internal predecessors, (113), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 20:31:26,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 121 transitions. [2024-10-24 20:31:26,831 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 121 transitions. Word has length 28 [2024-10-24 20:31:26,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:31:26,831 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 121 transitions. [2024-10-24 20:31:26,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:31:26,832 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 121 transitions. [2024-10-24 20:31:26,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-24 20:31:26,832 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:31:26,833 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:31:26,848 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-24 20:31:27,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:31:27,037 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-24 20:31:27,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:31:27,038 INFO L85 PathProgramCache]: Analyzing trace with hash -730603600, now seen corresponding path program 1 times [2024-10-24 20:31:27,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:31:27,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010713754] [2024-10-24 20:31:27,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:31:27,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:31:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:27,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:31:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:27,156 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:31:27,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:31:27,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010713754] [2024-10-24 20:31:27,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010713754] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:31:27,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [190244082] [2024-10-24 20:31:27,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:31:27,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:31:27,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:31:27,160 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) [2024-10-24 20:31:27,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 20:31:27,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:27,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:31:27,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:31:27,303 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:31:27,304 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:31:27,373 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:31:27,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [190244082] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:31:27,373 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:31:27,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-10-24 20:31:27,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753379084] [2024-10-24 20:31:27,373 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:31:27,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 20:31:27,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:31:27,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 20:31:27,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:31:27,376 INFO L87 Difference]: Start difference. First operand 100 states and 121 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:31:27,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:31:27,540 INFO L93 Difference]: Finished difference Result 112 states and 133 transitions. [2024-10-24 20:31:27,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 20:31:27,541 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 29 [2024-10-24 20:31:27,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:31:27,541 INFO L225 Difference]: With dead ends: 112 [2024-10-24 20:31:27,541 INFO L226 Difference]: Without dead ends: 105 [2024-10-24 20:31:27,542 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=72, Unknown=0, NotChecked=0, Total=132 [2024-10-24 20:31:27,542 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 52 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:31:27,542 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 94 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:31:27,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-10-24 20:31:27,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 95. [2024-10-24 20:31:27,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 81 states have (on average 1.2469135802469136) internal successors, (101), 89 states have internal predecessors, (101), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 20:31:27,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2024-10-24 20:31:27,548 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 29 [2024-10-24 20:31:27,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:31:27,548 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2024-10-24 20:31:27,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:31:27,549 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2024-10-24 20:31:27,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-10-24 20:31:27,549 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:31:27,549 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 20:31:27,566 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-24 20:31:27,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:31:27,750 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-24 20:31:27,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:31:27,750 INFO L85 PathProgramCache]: Analyzing trace with hash -2030388494, now seen corresponding path program 1 times [2024-10-24 20:31:27,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:31:27,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654609320] [2024-10-24 20:31:27,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:31:27,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:31:27,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:27,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:31:27,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:27,827 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:31:27,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:31:27,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654609320] [2024-10-24 20:31:27,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654609320] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:31:27,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439784381] [2024-10-24 20:31:27,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:31:27,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:31:27,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:31:27,830 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) [2024-10-24 20:31:27,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 20:31:27,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:27,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 20:31:27,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:31:27,994 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:31:27,995 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:31:27,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1439784381] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:31:27,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:31:27,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-10-24 20:31:27,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555546700] [2024-10-24 20:31:27,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:31:27,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 20:31:27,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:31:27,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 20:31:27,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:31:27,996 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:31:28,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:31:28,057 INFO L93 Difference]: Finished difference Result 95 states and 109 transitions. [2024-10-24 20:31:28,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 20:31:28,058 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2024-10-24 20:31:28,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:31:28,058 INFO L225 Difference]: With dead ends: 95 [2024-10-24 20:31:28,058 INFO L226 Difference]: Without dead ends: 83 [2024-10-24 20:31:28,059 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:31:28,059 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 51 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:31:28,060 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 37 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:31:28,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-10-24 20:31:28,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-10-24 20:31:28,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 73 states have (on average 1.1369863013698631) internal successors, (83), 77 states have internal predecessors, (83), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 20:31:28,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 91 transitions. [2024-10-24 20:31:28,065 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 91 transitions. Word has length 31 [2024-10-24 20:31:28,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:31:28,066 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 91 transitions. [2024-10-24 20:31:28,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:31:28,066 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 91 transitions. [2024-10-24 20:31:28,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-24 20:31:28,066 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:31:28,066 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:31:28,083 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-24 20:31:28,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-24 20:31:28,271 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-24 20:31:28,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:31:28,271 INFO L85 PathProgramCache]: Analyzing trace with hash 821541488, now seen corresponding path program 1 times [2024-10-24 20:31:28,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:31:28,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784494009] [2024-10-24 20:31:28,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:31:28,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:31:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:28,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:31:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:28,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 20:31:28,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:28,319 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 20:31:28,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:31:28,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784494009] [2024-10-24 20:31:28,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784494009] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:31:28,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1804615238] [2024-10-24 20:31:28,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:31:28,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:31:28,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:31:28,321 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) [2024-10-24 20:31:28,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-24 20:31:28,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:28,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 20:31:28,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:31:28,416 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 20:31:28,416 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:31:28,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1804615238] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:31:28,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:31:28,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-10-24 20:31:28,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951273221] [2024-10-24 20:31:28,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:31:28,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:31:28,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:31:28,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:31:28,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:31:28,418 INFO L87 Difference]: Start difference. First operand 83 states and 91 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:31:28,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:31:28,438 INFO L93 Difference]: Finished difference Result 83 states and 91 transitions. [2024-10-24 20:31:28,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:31:28,439 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 40 [2024-10-24 20:31:28,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:31:28,449 INFO L225 Difference]: With dead ends: 83 [2024-10-24 20:31:28,450 INFO L226 Difference]: Without dead ends: 82 [2024-10-24 20:31:28,450 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:31:28,450 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 7 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:31:28,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 49 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:31:28,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-10-24 20:31:28,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-10-24 20:31:28,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 73 states have (on average 1.095890410958904) internal successors, (80), 76 states have internal predecessors, (80), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 20:31:28,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 88 transitions. [2024-10-24 20:31:28,462 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 88 transitions. Word has length 40 [2024-10-24 20:31:28,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:31:28,463 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 88 transitions. [2024-10-24 20:31:28,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:31:28,465 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 88 transitions. [2024-10-24 20:31:28,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-24 20:31:28,466 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:31:28,466 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 20:31:28,481 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-24 20:31:28,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:31:28,667 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-24 20:31:28,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:31:28,667 INFO L85 PathProgramCache]: Analyzing trace with hash -302017574, now seen corresponding path program 1 times [2024-10-24 20:31:28,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:31:28,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645800107] [2024-10-24 20:31:28,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:31:28,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:31:28,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:28,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:31:28,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:28,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 20:31:28,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:28,722 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 20:31:28,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:31:28,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645800107] [2024-10-24 20:31:28,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645800107] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:31:28,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244144304] [2024-10-24 20:31:28,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:31:28,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:31:28,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:31:28,729 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) [2024-10-24 20:31:28,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-24 20:31:28,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:28,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 20:31:28,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:31:28,824 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 20:31:28,824 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:31:28,884 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 20:31:28,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1244144304] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:31:28,884 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:31:28,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-24 20:31:28,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141078621] [2024-10-24 20:31:28,885 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:31:28,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 20:31:28,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:31:28,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 20:31:28,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:31:28,886 INFO L87 Difference]: Start difference. First operand 82 states and 88 transitions. Second operand has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 7 states have internal predecessors, (76), 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) [2024-10-24 20:31:28,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:31:28,920 INFO L93 Difference]: Finished difference Result 95 states and 101 transitions. [2024-10-24 20:31:28,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 20:31:28,920 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 7 states have internal predecessors, (76), 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) Word has length 41 [2024-10-24 20:31:28,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:31:28,921 INFO L225 Difference]: With dead ends: 95 [2024-10-24 20:31:28,921 INFO L226 Difference]: Without dead ends: 94 [2024-10-24 20:31:28,921 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:31:28,922 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 6 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:31:28,922 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 95 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:31:28,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-10-24 20:31:28,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 92. [2024-10-24 20:31:28,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 82 states have (on average 1.0731707317073171) internal successors, (88), 85 states have internal predecessors, (88), 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) [2024-10-24 20:31:28,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 98 transitions. [2024-10-24 20:31:28,928 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 98 transitions. Word has length 41 [2024-10-24 20:31:28,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:31:28,928 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 98 transitions. [2024-10-24 20:31:28,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 7 states have internal predecessors, (76), 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) [2024-10-24 20:31:28,929 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 98 transitions. [2024-10-24 20:31:28,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-24 20:31:28,930 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:31:28,930 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1] [2024-10-24 20:31:28,947 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-24 20:31:29,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:31:29,131 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-24 20:31:29,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:31:29,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1523975228, now seen corresponding path program 1 times [2024-10-24 20:31:29,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:31:29,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571869104] [2024-10-24 20:31:29,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:31:29,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:31:29,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:29,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:31:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:29,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 20:31:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:29,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 20:31:29,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:29,294 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 20:31:29,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:31:29,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571869104] [2024-10-24 20:31:29,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571869104] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:31:29,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769254346] [2024-10-24 20:31:29,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:31:29,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:31:29,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:31:29,297 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) [2024-10-24 20:31:29,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-24 20:31:29,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:29,354 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 20:31:29,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:31:29,573 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 20:31:29,574 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:31:29,750 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 20:31:29,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769254346] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:31:29,750 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:31:29,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19 [2024-10-24 20:31:29,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98568694] [2024-10-24 20:31:29,751 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:31:29,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-24 20:31:29,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:31:29,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-24 20:31:29,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=236, Unknown=0, NotChecked=0, Total=380 [2024-10-24 20:31:29,752 INFO L87 Difference]: Start difference. First operand 92 states and 98 transitions. Second operand has 20 states, 19 states have (on average 8.0) internal successors, (152), 20 states have internal predecessors, (152), 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) [2024-10-24 20:31:29,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:31:29,987 INFO L93 Difference]: Finished difference Result 133 states and 147 transitions. [2024-10-24 20:31:29,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 20:31:29,987 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 8.0) internal successors, (152), 20 states have internal predecessors, (152), 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) Word has length 66 [2024-10-24 20:31:29,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:31:29,989 INFO L225 Difference]: With dead ends: 133 [2024-10-24 20:31:29,989 INFO L226 Difference]: Without dead ends: 132 [2024-10-24 20:31:29,989 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=248, Invalid=402, Unknown=0, NotChecked=0, Total=650 [2024-10-24 20:31:29,990 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 9 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:31:29,990 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 78 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:31:29,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-10-24 20:31:29,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 130. [2024-10-24 20:31:29,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 118 states have (on average 1.0932203389830508) internal successors, (129), 121 states have internal predecessors, (129), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-24 20:31:29,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 143 transitions. [2024-10-24 20:31:29,998 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 143 transitions. Word has length 66 [2024-10-24 20:31:29,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:31:29,999 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 143 transitions. [2024-10-24 20:31:29,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 8.0) internal successors, (152), 20 states have internal predecessors, (152), 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) [2024-10-24 20:31:29,999 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 143 transitions. [2024-10-24 20:31:30,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-24 20:31:30,005 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:31:30,005 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1] [2024-10-24 20:31:30,022 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-24 20:31:30,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-24 20:31:30,210 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-24 20:31:30,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:31:30,210 INFO L85 PathProgramCache]: Analyzing trace with hash -838030480, now seen corresponding path program 2 times [2024-10-24 20:31:30,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:31:30,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037631385] [2024-10-24 20:31:30,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:31:30,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:31:30,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:30,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:31:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:30,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 20:31:30,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:30,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 20:31:30,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:30,368 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 20:31:30,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:31:30,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037631385] [2024-10-24 20:31:30,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037631385] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:31:30,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1681995277] [2024-10-24 20:31:30,369 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 20:31:30,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:31:30,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:31:30,370 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) [2024-10-24 20:31:30,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-24 20:31:30,416 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 20:31:30,416 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:31:30,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-24 20:31:30,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:31:30,633 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 20:31:30,633 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:31:30,830 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 20:31:30,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1681995277] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:31:30,831 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:31:30,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-10-24 20:31:30,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394092189] [2024-10-24 20:31:30,832 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:31:30,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-24 20:31:30,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:31:30,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-24 20:31:30,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=297, Unknown=0, NotChecked=0, Total=462 [2024-10-24 20:31:30,833 INFO L87 Difference]: Start difference. First operand 130 states and 143 transitions. Second operand has 22 states, 21 states have (on average 7.714285714285714) internal successors, (162), 22 states have internal predecessors, (162), 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) [2024-10-24 20:31:31,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:31:31,152 INFO L93 Difference]: Finished difference Result 139 states and 150 transitions. [2024-10-24 20:31:31,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 20:31:31,152 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 7.714285714285714) internal successors, (162), 22 states have internal predecessors, (162), 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) Word has length 71 [2024-10-24 20:31:31,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:31:31,153 INFO L225 Difference]: With dead ends: 139 [2024-10-24 20:31:31,154 INFO L226 Difference]: Without dead ends: 138 [2024-10-24 20:31:31,154 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=321, Invalid=549, Unknown=0, NotChecked=0, Total=870 [2024-10-24 20:31:31,155 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 70 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:31:31,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 124 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:31:31,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-10-24 20:31:31,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 135. [2024-10-24 20:31:31,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 123 states have (on average 1.0731707317073171) internal successors, (132), 126 states have internal predecessors, (132), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-24 20:31:31,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 146 transitions. [2024-10-24 20:31:31,164 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 146 transitions. Word has length 71 [2024-10-24 20:31:31,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:31:31,165 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 146 transitions. [2024-10-24 20:31:31,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 7.714285714285714) internal successors, (162), 22 states have internal predecessors, (162), 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) [2024-10-24 20:31:31,165 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 146 transitions. [2024-10-24 20:31:31,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-10-24 20:31:31,167 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:31:31,167 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1] [2024-10-24 20:31:31,184 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-24 20:31:31,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-24 20:31:31,368 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-24 20:31:31,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:31:31,369 INFO L85 PathProgramCache]: Analyzing trace with hash -479440876, now seen corresponding path program 2 times [2024-10-24 20:31:31,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:31:31,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652910026] [2024-10-24 20:31:31,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:31:31,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:31:31,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:31:31,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1804051359] [2024-10-24 20:31:31,387 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 20:31:31,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:31:31,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:31:31,389 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) [2024-10-24 20:31:31,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-24 20:31:31,441 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 20:31:31,441 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:31:31,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-24 20:31:31,444 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:31:31,555 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 20:31:31,555 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:31:31,764 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 20:31:31,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:31:31,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652910026] [2024-10-24 20:31:31,765 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:31:31,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1804051359] [2024-10-24 20:31:31,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1804051359] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:31:31,765 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:31:31,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-10-24 20:31:31,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108354147] [2024-10-24 20:31:31,765 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:31:31,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 20:31:31,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:31:31,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 20:31:31,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-10-24 20:31:31,767 INFO L87 Difference]: Start difference. First operand 135 states and 146 transitions. Second operand has 12 states, 11 states have (on average 12.818181818181818) internal successors, (141), 12 states have internal predecessors, (141), 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) [2024-10-24 20:31:32,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:31:32,086 INFO L93 Difference]: Finished difference Result 192 states and 209 transitions. [2024-10-24 20:31:32,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 20:31:32,087 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 12.818181818181818) internal successors, (141), 12 states have internal predecessors, (141), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Word has length 90 [2024-10-24 20:31:32,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:31:32,088 INFO L225 Difference]: With dead ends: 192 [2024-10-24 20:31:32,089 INFO L226 Difference]: Without dead ends: 191 [2024-10-24 20:31:32,089 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2024-10-24 20:31:32,089 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 106 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:31:32,090 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 281 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:31:32,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-10-24 20:31:32,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 184. [2024-10-24 20:31:32,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 169 states have (on average 1.0828402366863905) internal successors, (183), 172 states have internal predecessors, (183), 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) [2024-10-24 20:31:32,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 203 transitions. [2024-10-24 20:31:32,113 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 203 transitions. Word has length 90 [2024-10-24 20:31:32,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:31:32,114 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 203 transitions. [2024-10-24 20:31:32,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 12.818181818181818) internal successors, (141), 12 states have internal predecessors, (141), 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) [2024-10-24 20:31:32,114 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 203 transitions. [2024-10-24 20:31:32,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-24 20:31:32,115 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:31:32,115 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1] [2024-10-24 20:31:32,132 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-24 20:31:32,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-24 20:31:32,316 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-24 20:31:32,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:31:32,316 INFO L85 PathProgramCache]: Analyzing trace with hash -276542208, now seen corresponding path program 2 times [2024-10-24 20:31:32,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:31:32,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472132658] [2024-10-24 20:31:32,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:31:32,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:31:32,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:32,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:31:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:32,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 20:31:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:32,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 20:31:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:32,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 20:31:32,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:32,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 20:31:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:32,413 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-10-24 20:31:32,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:31:32,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472132658] [2024-10-24 20:31:32,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472132658] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:31:32,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1100489312] [2024-10-24 20:31:32,414 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 20:31:32,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:31:32,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:31:32,416 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) [2024-10-24 20:31:32,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-24 20:31:32,453 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-24 20:31:32,453 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:31:32,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 20:31:32,456 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:31:32,547 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-10-24 20:31:32,547 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:31:32,666 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-10-24 20:31:32,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1100489312] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:31:32,666 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:31:32,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-10-24 20:31:32,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779056396] [2024-10-24 20:31:32,667 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:31:32,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 20:31:32,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:31:32,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 20:31:32,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-24 20:31:32,668 INFO L87 Difference]: Start difference. First operand 184 states and 203 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:31:32,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:31:32,696 INFO L93 Difference]: Finished difference Result 184 states and 203 transitions. [2024-10-24 20:31:32,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:31:32,697 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 104 [2024-10-24 20:31:32,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:31:32,698 INFO L225 Difference]: With dead ends: 184 [2024-10-24 20:31:32,698 INFO L226 Difference]: Without dead ends: 183 [2024-10-24 20:31:32,699 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:31:32,699 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 28 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:31:32,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 57 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:31:32,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-10-24 20:31:32,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2024-10-24 20:31:32,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 169 states have (on average 1.047337278106509) internal successors, (177), 171 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) [2024-10-24 20:31:32,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 197 transitions. [2024-10-24 20:31:32,708 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 197 transitions. Word has length 104 [2024-10-24 20:31:32,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:31:32,708 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 197 transitions. [2024-10-24 20:31:32,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:31:32,709 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 197 transitions. [2024-10-24 20:31:32,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-24 20:31:32,710 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:31:32,710 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1, 1] [2024-10-24 20:31:32,726 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-24 20:31:32,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-24 20:31:32,911 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-24 20:31:32,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:31:32,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1502231484, now seen corresponding path program 2 times [2024-10-24 20:31:32,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:31:32,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324201130] [2024-10-24 20:31:32,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:31:32,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:31:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:33,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:31:33,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:33,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 20:31:33,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:33,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 20:31:33,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:33,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 20:31:33,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:33,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 20:31:33,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:33,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 20:31:33,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:33,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-24 20:31:33,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:33,292 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 357 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-24 20:31:33,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:31:33,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324201130] [2024-10-24 20:31:33,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324201130] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:31:33,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [96554924] [2024-10-24 20:31:33,292 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 20:31:33,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:31:33,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:31:33,294 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) [2024-10-24 20:31:33,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-24 20:31:33,336 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-24 20:31:33,336 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:31:33,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 20:31:33,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:31:33,524 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-10-24 20:31:33,524 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:31:33,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [96554924] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:31:33,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:31:33,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 20 [2024-10-24 20:31:33,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429092995] [2024-10-24 20:31:33,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:31:33,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 20:31:33,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:31:33,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 20:31:33,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=363, Unknown=0, NotChecked=0, Total=420 [2024-10-24 20:31:33,527 INFO L87 Difference]: Start difference. First operand 183 states and 197 transitions. Second operand has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:31:33,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:31:33,632 INFO L93 Difference]: Finished difference Result 185 states and 199 transitions. [2024-10-24 20:31:33,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 20:31:33,632 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 150 [2024-10-24 20:31:33,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:31:33,633 INFO L225 Difference]: With dead ends: 185 [2024-10-24 20:31:33,634 INFO L226 Difference]: Without dead ends: 184 [2024-10-24 20:31:33,634 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2024-10-24 20:31:33,635 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 10 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:31:33,635 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 42 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:31:33,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-10-24 20:31:33,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 182. [2024-10-24 20:31:33,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 169 states have (on average 1.0236686390532543) internal successors, (173), 170 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) [2024-10-24 20:31:33,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 193 transitions. [2024-10-24 20:31:33,646 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 193 transitions. Word has length 150 [2024-10-24 20:31:33,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:31:33,646 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 193 transitions. [2024-10-24 20:31:33,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:31:33,647 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 193 transitions. [2024-10-24 20:31:33,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-10-24 20:31:33,648 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:31:33,648 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1] [2024-10-24 20:31:33,665 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-24 20:31:33,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-24 20:31:33,853 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-24 20:31:33,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:31:33,853 INFO L85 PathProgramCache]: Analyzing trace with hash 122303216, now seen corresponding path program 3 times [2024-10-24 20:31:33,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:31:33,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915377627] [2024-10-24 20:31:33,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:31:33,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:31:33,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:34,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:31:34,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:34,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 20:31:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:34,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 20:31:34,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:34,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 20:31:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:34,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 20:31:34,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:34,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 20:31:34,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:34,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-24 20:31:34,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:34,289 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-24 20:31:34,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:31:34,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915377627] [2024-10-24 20:31:34,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915377627] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:31:34,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199685712] [2024-10-24 20:31:34,289 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-24 20:31:34,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:31:34,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:31:34,291 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) [2024-10-24 20:31:34,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-24 20:31:34,336 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-24 20:31:34,336 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:31:34,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-24 20:31:34,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:32:14,666 WARN L873 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~y~0#1| Int)) (let ((.cse0 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) (and (= (mod (+ |ULTIMATE.start_main_~y~0#1| .cse0) 2) 0) (<= .cse0 (+ 9223372036854775806 (* 2 |ULTIMATE.start_main_~y~0#1|))) (<= .cse0 9223372036854775807) (<= |c_ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~y~0#1| (div (+ (* (- 1) |ULTIMATE.start_main_~y~0#1|) .cse0) 2)))))) is different from true [2024-10-24 20:32:18,699 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 2 not checked. [2024-10-24 20:32:18,699 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:32:35,009 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-10-24 20:32:35,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [199685712] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-24 20:32:35,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:32:35,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [16, 8] total 28 [2024-10-24 20:32:35,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293148240] [2024-10-24 20:32:35,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:32:35,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 20:32:35,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:32:35,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 20:32:35,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=601, Unknown=6, NotChecked=52, Total=812 [2024-10-24 20:32:35,011 INFO L87 Difference]: Start difference. First operand 182 states and 193 transitions. Second operand has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 20:32:35,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:32:35,216 INFO L93 Difference]: Finished difference Result 182 states and 193 transitions. [2024-10-24 20:32:35,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 20:32:35,217 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 155 [2024-10-24 20:32:35,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:32:35,218 INFO L225 Difference]: With dead ends: 182 [2024-10-24 20:32:35,218 INFO L226 Difference]: Without dead ends: 181 [2024-10-24 20:32:35,219 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 40.6s TimeCoverageRelationStatistics Valid=184, Invalid=744, Unknown=6, NotChecked=58, Total=992 [2024-10-24 20:32:35,219 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 64 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:32:35,219 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 33 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:32:35,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-10-24 20:32:35,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2024-10-24 20:32:35,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 169 states have (on average 1.0059171597633136) internal successors, (170), 169 states have internal predecessors, (170), 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) [2024-10-24 20:32:35,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 190 transitions. [2024-10-24 20:32:35,231 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 190 transitions. Word has length 155 [2024-10-24 20:32:35,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:32:35,231 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 190 transitions. [2024-10-24 20:32:35,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 20:32:35,232 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 190 transitions. [2024-10-24 20:32:35,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-10-24 20:32:35,234 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:32:35,234 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1] [2024-10-24 20:32:35,250 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-24 20:32:35,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:32:35,438 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-24 20:32:35,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:32:35,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1910324012, now seen corresponding path program 3 times [2024-10-24 20:32:35,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:32:35,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362928153] [2024-10-24 20:32:35,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:32:35,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:32:35,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:32:36,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:32:36,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:32:36,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 20:32:36,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:32:36,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 20:32:36,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:32:36,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 20:32:36,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:32:36,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 20:32:36,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:32:36,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 20:32:36,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:32:36,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-24 20:32:36,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:32:36,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 20:32:36,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:32:36,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 20:32:36,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:32:36,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-24 20:32:36,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:32:36,080 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 680 proven. 115 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 20:32:36,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:32:36,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362928153] [2024-10-24 20:32:36,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362928153] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:32:36,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114810073] [2024-10-24 20:32:36,081 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-24 20:32:36,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:32:36,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:32:36,084 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) [2024-10-24 20:32:36,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-24 20:32:36,212 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-10-24 20:32:36,212 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:32:36,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-24 20:32:36,221 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:32:37,250 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 795 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 20:32:37,253 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:32:37,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2114810073] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:32:37,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:32:37,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [14] total 25 [2024-10-24 20:32:37,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346925880] [2024-10-24 20:32:37,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:32:37,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-24 20:32:37,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:32:37,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-24 20:32:37,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=369, Unknown=0, NotChecked=0, Total=600 [2024-10-24 20:32:37,255 INFO L87 Difference]: Start difference. First operand 181 states and 190 transitions. Second operand has 14 states, 14 states have (on average 12.071428571428571) internal successors, (169), 14 states have internal predecessors, (169), 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) [2024-10-24 20:32:37,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:32:37,328 INFO L93 Difference]: Finished difference Result 185 states and 193 transitions. [2024-10-24 20:32:37,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 20:32:37,328 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 12.071428571428571) internal successors, (169), 14 states have internal predecessors, (169), 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) Word has length 216 [2024-10-24 20:32:37,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:32:37,329 INFO L225 Difference]: With dead ends: 185 [2024-10-24 20:32:37,329 INFO L226 Difference]: Without dead ends: 0 [2024-10-24 20:32:37,330 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=231, Invalid=369, Unknown=0, NotChecked=0, Total=600 [2024-10-24 20:32:37,331 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 0 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:32:37,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 291 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:32:37,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-24 20:32:37,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-24 20:32:37,332 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) [2024-10-24 20:32:37,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-24 20:32:37,332 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 216 [2024-10-24 20:32:37,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:32:37,333 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-24 20:32:37,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.071428571428571) internal successors, (169), 14 states have internal predecessors, (169), 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) [2024-10-24 20:32:37,333 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-24 20:32:37,333 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-24 20:32:37,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 22 remaining) [2024-10-24 20:32:37,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 22 remaining) [2024-10-24 20:32:37,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 22 remaining) [2024-10-24 20:32:37,337 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 22 remaining) [2024-10-24 20:32:37,337 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 22 remaining) [2024-10-24 20:32:37,337 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 22 remaining) [2024-10-24 20:32:37,337 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 22 remaining) [2024-10-24 20:32:37,337 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 22 remaining) [2024-10-24 20:32:37,337 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 22 remaining) [2024-10-24 20:32:37,337 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 22 remaining) [2024-10-24 20:32:37,337 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 22 remaining) [2024-10-24 20:32:37,338 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 22 remaining) [2024-10-24 20:32:37,338 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 22 remaining) [2024-10-24 20:32:37,338 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 22 remaining) [2024-10-24 20:32:37,338 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 22 remaining) [2024-10-24 20:32:37,338 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 22 remaining) [2024-10-24 20:32:37,338 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 22 remaining) [2024-10-24 20:32:37,338 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 22 remaining) [2024-10-24 20:32:37,338 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 22 remaining) [2024-10-24 20:32:37,339 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 22 remaining) [2024-10-24 20:32:37,339 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 22 remaining) [2024-10-24 20:32:37,339 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 22 remaining) [2024-10-24 20:32:37,356 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-24 20:32:37,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:32:37,542 INFO L407 BasicCegarLoop]: Path program histogram: [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:32:37,544 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-24 20:32:37,879 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 20:32:37,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 08:32:37 BoogieIcfgContainer [2024-10-24 20:32:37,907 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 20:32:37,908 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 20:32:37,908 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 20:32:37,908 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 20:32:37,908 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:31:23" (3/4) ... [2024-10-24 20:32:37,910 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 20:32:37,914 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-10-24 20:32:37,919 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-10-24 20:32:37,919 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-10-24 20:32:37,919 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-24 20:32:37,919 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-24 20:32:38,007 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 20:32:38,008 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 20:32:38,008 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 20:32:38,009 INFO L158 Benchmark]: Toolchain (without parser) took 74993.37ms. Allocated memory was 163.6MB in the beginning and 237.0MB in the end (delta: 73.4MB). Free memory was 122.4MB in the beginning and 100.7MB in the end (delta: 21.7MB). Peak memory consumption was 93.8MB. Max. memory is 16.1GB. [2024-10-24 20:32:38,009 INFO L158 Benchmark]: CDTParser took 0.94ms. Allocated memory is still 100.7MB. Free memory is still 68.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 20:32:38,009 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.09ms. Allocated memory is still 163.6MB. Free memory was 122.4MB in the beginning and 109.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-24 20:32:38,009 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.81ms. Allocated memory is still 163.6MB. Free memory was 109.7MB in the beginning and 108.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 20:32:38,010 INFO L158 Benchmark]: Boogie Preprocessor took 45.44ms. Allocated memory is still 163.6MB. Free memory was 108.4MB in the beginning and 106.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 20:32:38,010 INFO L158 Benchmark]: RCFGBuilder took 511.77ms. Allocated memory is still 163.6MB. Free memory was 106.9MB in the beginning and 124.6MB in the end (delta: -17.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-24 20:32:38,014 INFO L158 Benchmark]: TraceAbstraction took 74049.19ms. Allocated memory was 163.6MB in the beginning and 237.0MB in the end (delta: 73.4MB). Free memory was 123.8MB in the beginning and 105.9MB in the end (delta: 17.9MB). Peak memory consumption was 93.8MB. Max. memory is 16.1GB. [2024-10-24 20:32:38,014 INFO L158 Benchmark]: Witness Printer took 100.40ms. Allocated memory is still 237.0MB. Free memory was 105.9MB in the beginning and 100.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 20:32:38,015 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.94ms. Allocated memory is still 100.7MB. Free memory is still 68.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.09ms. Allocated memory is still 163.6MB. Free memory was 122.4MB in the beginning and 109.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.81ms. Allocated memory is still 163.6MB. Free memory was 109.7MB in the beginning and 108.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.44ms. Allocated memory is still 163.6MB. Free memory was 108.4MB in the beginning and 106.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 511.77ms. Allocated memory is still 163.6MB. Free memory was 106.9MB in the beginning and 124.6MB in the end (delta: -17.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 74049.19ms. Allocated memory was 163.6MB in the beginning and 237.0MB in the end (delta: 73.4MB). Free memory was 123.8MB in the beginning and 105.9MB in the end (delta: 17.9MB). Peak memory consumption was 93.8MB. Max. memory is 16.1GB. * Witness Printer took 100.40ms. Allocated memory is still 237.0MB. Free memory was 105.9MB in the beginning and 100.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. 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: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: 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: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: 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, 57 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 73.6s, OverallIterations: 20, TraceHistogramMax: 11, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 636 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 625 mSDsluCounter, 1788 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1166 mSDsCounter, 93 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1879 IncrementalHoareTripleChecker+Invalid, 1972 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 93 mSolverCounterUnsat, 622 mSDtfsCounter, 1879 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1855 GetRequests, 1661 SyntacticMatches, 0 SemanticMatches, 194 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 782 ImplicationChecksByTransitivity, 42.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=184occurred in iteration=16, InterpolantAutomatonStates: 131, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 20 MinimizatonAttempts, 76 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 66.7s InterpolantComputationTime, 2196 NumberOfCodeBlocks, 1860 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 2644 ConstructedInterpolants, 4 QuantifiedInterpolants, 12362 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1412 ConjunctsInSsa, 94 ConjunctsInUnsatCore, 40 InterpolantComputations, 12 PerfectInterpolantSequences, 4111/5671 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 22 specifications checked. All of them hold - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: (((((((((((((0 <= k) && (c <= 9223372036854775806)) && (((__int128) x + y) <= 4611686018427387902)) && (1 <= y)) && (y <= x)) && (k <= 5)) && ((((__int128) y * 8) + ((__int128) y * y)) <= 9223372036854775791)) && (5 <= c)) || (((((((0 <= k) && (2 <= x)) && (2 <= c)) && (2 == y)) && (x <= 3)) && (k <= 5)) && (c <= 9223372036854775805))) || (((((0 <= k) && (c == 1)) && (x == 1)) && (k <= 5)) && (y == 1))) || (((((0 <= k) && (c == 0)) && (y == 0)) && (k <= 5)) && (x == 0))) || (((((((0 <= k) && (y == 4)) && (c <= 9223372036854775806)) && (k <= 5)) && (x <= 4611686018427387892)) && (4 <= c)) && (4 <= x))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (3 == y)) && (k <= 5)) && (3 <= c)) && (x <= 6)) && (3 <= x))) - ProcedureContractResult [Line: 9]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (cond != 0) RESULT: Ultimate proved your program to be correct! [2024-10-24 20:32:38,050 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE