./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/geo2-ll2_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d 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/geo2-ll2_valuebound20.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 28ba4cef831d4b5fcf2d96b1f062b3395a1dd2ca2835a8907e7851767e25d52b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 13:38:34,893 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 13:38:34,955 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 13:38:34,959 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 13:38:34,961 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 13:38:34,983 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 13:38:34,985 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 13:38:34,986 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 13:38:34,986 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 13:38:34,990 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 13:38:34,990 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 13:38:34,990 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 13:38:34,991 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 13:38:34,991 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 13:38:34,991 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 13:38:34,991 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 13:38:34,991 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 13:38:34,992 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 13:38:34,992 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 13:38:34,992 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 13:38:34,993 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 13:38:34,994 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 13:38:34,994 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 13:38:34,994 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 13:38:34,994 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 13:38:34,995 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 13:38:34,996 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 13:38:34,996 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 13:38:34,996 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 13:38:34,996 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 13:38:34,996 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 13:38:34,997 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 13:38:34,997 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 13:38:34,997 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 13:38:34,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 13:38:34,998 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 13:38:34,999 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 13:38:34,999 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 13:38:34,999 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 13:38:34,999 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 13:38:35,000 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 13:38:35,000 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 13:38:35,000 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 13:38:35,000 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 13:38:35,001 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 28ba4cef831d4b5fcf2d96b1f062b3395a1dd2ca2835a8907e7851767e25d52b [2024-10-13 13:38:35,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 13:38:35,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 13:38:35,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 13:38:35,229 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 13:38:35,229 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 13:38:35,230 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/geo2-ll2_valuebound20.c [2024-10-13 13:38:36,462 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 13:38:36,591 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 13:38:36,591 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/geo2-ll2_valuebound20.c [2024-10-13 13:38:36,597 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae83e11db/cc00c50fa4a8488ea5777632010b4294/FLAG145bd0992 [2024-10-13 13:38:37,015 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae83e11db/cc00c50fa4a8488ea5777632010b4294 [2024-10-13 13:38:37,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 13:38:37,019 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 13:38:37,021 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 13:38:37,021 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 13:38:37,026 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 13:38:37,027 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:38:37" (1/1) ... [2024-10-13 13:38:37,028 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55d49726 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:38:37, skipping insertion in model container [2024-10-13 13:38:37,028 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:38:37" (1/1) ... [2024-10-13 13:38:37,045 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 13:38:37,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 13:38:37,181 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 13:38:37,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 13:38:37,208 INFO L204 MainTranslator]: Completed translation [2024-10-13 13:38:37,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:38:37 WrapperNode [2024-10-13 13:38:37,209 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 13:38:37,210 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 13:38:37,210 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 13:38:37,210 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 13:38:37,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:38:37" (1/1) ... [2024-10-13 13:38:37,220 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:38:37" (1/1) ... [2024-10-13 13:38:37,235 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 74 [2024-10-13 13:38:37,236 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 13:38:37,236 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 13:38:37,236 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 13:38:37,236 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 13:38:37,245 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:38:37" (1/1) ... [2024-10-13 13:38:37,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:38:37" (1/1) ... [2024-10-13 13:38:37,246 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:38:37" (1/1) ... [2024-10-13 13:38:37,254 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]. [2024-10-13 13:38:37,254 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:38:37" (1/1) ... [2024-10-13 13:38:37,255 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:38:37" (1/1) ... [2024-10-13 13:38:37,256 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:38:37" (1/1) ... [2024-10-13 13:38:37,258 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:38:37" (1/1) ... [2024-10-13 13:38:37,259 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:38:37" (1/1) ... [2024-10-13 13:38:37,259 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:38:37" (1/1) ... [2024-10-13 13:38:37,261 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 13:38:37,261 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 13:38:37,261 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 13:38:37,261 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 13:38:37,262 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:38:37" (1/1) ... [2024-10-13 13:38:37,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 13:38:37,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:38:37,283 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) [2024-10-13 13:38:37,310 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 [2024-10-13 13:38:37,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 13:38:37,342 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 13:38:37,342 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 13:38:37,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 13:38:37,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 13:38:37,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 13:38:37,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-13 13:38:37,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-13 13:38:37,399 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 13:38:37,400 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 13:38:37,764 INFO L? ?]: Removed 65 outVars from TransFormulas that were not future-live. [2024-10-13 13:38:37,764 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 13:38:37,793 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 13:38:37,793 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 13:38:37,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:38:37 BoogieIcfgContainer [2024-10-13 13:38:37,794 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 13:38:37,796 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 13:38:37,796 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 13:38:37,799 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 13:38:37,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:38:37" (1/3) ... [2024-10-13 13:38:37,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d74cce0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:38:37, skipping insertion in model container [2024-10-13 13:38:37,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:38:37" (2/3) ... [2024-10-13 13:38:37,801 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d74cce0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:38:37, skipping insertion in model container [2024-10-13 13:38:37,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:38:37" (3/3) ... [2024-10-13 13:38:37,802 INFO L112 eAbstractionObserver]: Analyzing ICFG geo2-ll2_valuebound20.c [2024-10-13 13:38:37,815 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 13:38:37,815 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2024-10-13 13:38:37,866 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 13:38:37,872 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;@15143eb3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 13:38:37,873 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-10-13 13:38:37,876 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 40 states have (on average 1.825) internal successors, (73), 68 states have internal predecessors, (73), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-13 13:38:37,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-13 13:38:37,881 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:38:37,881 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:38:37,882 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:38:37,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:38:37,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1243484100, now seen corresponding path program 1 times [2024-10-13 13:38:37,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:38:37,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432634221] [2024-10-13 13:38:37,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:38:37,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:38:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:38:38,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:38:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:38:38,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:38:38,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:38:38,017 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:38:38,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:38:38,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432634221] [2024-10-13 13:38:38,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432634221] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:38:38,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:38:38,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:38:38,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573385223] [2024-10-13 13:38:38,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:38:38,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 13:38:38,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:38:38,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 13:38:38,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 13:38:38,044 INFO L87 Difference]: Start difference. First operand has 75 states, 40 states have (on average 1.825) internal successors, (73), 68 states have internal predecessors, (73), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 13:38:38,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:38:38,069 INFO L93 Difference]: Finished difference Result 148 states and 163 transitions. [2024-10-13 13:38:38,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 13:38:38,071 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2024-10-13 13:38:38,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:38:38,076 INFO L225 Difference]: With dead ends: 148 [2024-10-13 13:38:38,076 INFO L226 Difference]: Without dead ends: 72 [2024-10-13 13:38:38,080 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 13:38:38,083 INFO L432 NwaCegarLoop]: 75 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, 75 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 [2024-10-13 13:38:38,083 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:38:38,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-10-13 13:38:38,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-10-13 13:38:38,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 39 states have (on average 1.7179487179487178) internal successors, (67), 66 states have internal predecessors, (67), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-13 13:38:38,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 73 transitions. [2024-10-13 13:38:38,109 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 73 transitions. Word has length 15 [2024-10-13 13:38:38,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:38:38,109 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 73 transitions. [2024-10-13 13:38:38,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 13:38:38,109 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 73 transitions. [2024-10-13 13:38:38,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-13 13:38:38,110 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:38:38,110 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:38:38,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 13:38:38,111 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:38:38,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:38:38,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1558906431, now seen corresponding path program 1 times [2024-10-13 13:38:38,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:38:38,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440749102] [2024-10-13 13:38:38,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:38:38,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:38:38,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:38:38,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1589031705] [2024-10-13 13:38:38,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:38:38,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:38:38,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:38:38,131 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) [2024-10-13 13:38:38,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 13:38:38,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:38:38,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:38:38,174 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:38:38,221 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:38:38,222 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:38:38,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:38:38,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440749102] [2024-10-13 13:38:38,223 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:38:38,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1589031705] [2024-10-13 13:38:38,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1589031705] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:38:38,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:38:38,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:38:38,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738242850] [2024-10-13 13:38:38,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:38:38,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:38:38,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:38:38,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:38:38,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:38:38,226 INFO L87 Difference]: Start difference. First operand 72 states and 73 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:38:38,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:38:38,571 INFO L93 Difference]: Finished difference Result 111 states and 129 transitions. [2024-10-13 13:38:38,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:38:38,571 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-10-13 13:38:38,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:38:38,573 INFO L225 Difference]: With dead ends: 111 [2024-10-13 13:38:38,573 INFO L226 Difference]: Without dead ends: 103 [2024-10-13 13:38:38,573 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:38:38,574 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 61 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:38:38,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 47 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:38:38,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-10-13 13:38:38,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 95. [2024-10-13 13:38:38,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 61 states have (on average 1.6721311475409837) internal successors, (102), 88 states have internal predecessors, (102), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-13 13:38:38,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 110 transitions. [2024-10-13 13:38:38,582 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 110 transitions. Word has length 15 [2024-10-13 13:38:38,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:38:38,583 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 110 transitions. [2024-10-13 13:38:38,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:38:38,583 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions. [2024-10-13 13:38:38,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-13 13:38:38,584 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:38:38,584 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:38:38,599 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 13:38:38,785 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 [2024-10-13 13:38:38,786 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:38:38,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:38:38,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1081459154, now seen corresponding path program 1 times [2024-10-13 13:38:38,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:38:38,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445148535] [2024-10-13 13:38:38,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:38:38,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:38:38,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:38:38,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [69772013] [2024-10-13 13:38:38,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:38:38,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:38:38,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:38:38,820 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) [2024-10-13 13:38:38,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 13:38:38,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:38:38,853 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:38:38,854 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:38:38,949 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:38:38,950 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:38:38,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:38:38,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445148535] [2024-10-13 13:38:38,950 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:38:38,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69772013] [2024-10-13 13:38:38,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [69772013] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:38:38,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:38:38,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:38:38,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917840796] [2024-10-13 13:38:38,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:38:38,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:38:38,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:38:38,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:38:38,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:38:38,952 INFO L87 Difference]: Start difference. First operand 95 states and 110 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:38:39,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:38:39,191 INFO L93 Difference]: Finished difference Result 111 states and 121 transitions. [2024-10-13 13:38:39,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:38:39,192 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2024-10-13 13:38:39,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:38:39,193 INFO L225 Difference]: With dead ends: 111 [2024-10-13 13:38:39,193 INFO L226 Difference]: Without dead ends: 103 [2024-10-13 13:38:39,194 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:38:39,194 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 60 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:38:39,195 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 47 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:38:39,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-10-13 13:38:39,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 97. [2024-10-13 13:38:39,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 63 states have (on average 1.5555555555555556) internal successors, (98), 90 states have internal predecessors, (98), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-13 13:38:39,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 106 transitions. [2024-10-13 13:38:39,210 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 106 transitions. Word has length 16 [2024-10-13 13:38:39,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:38:39,210 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 106 transitions. [2024-10-13 13:38:39,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:38:39,210 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 106 transitions. [2024-10-13 13:38:39,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-13 13:38:39,211 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:38:39,211 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:38:39,224 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-13 13:38:39,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-10-13 13:38:39,419 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:38:39,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:38:39,420 INFO L85 PathProgramCache]: Analyzing trace with hash -2126762651, now seen corresponding path program 1 times [2024-10-13 13:38:39,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:38:39,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237280578] [2024-10-13 13:38:39,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:38:39,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:38:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:38:39,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1793478276] [2024-10-13 13:38:39,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:38:39,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:38:39,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:38:39,469 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) [2024-10-13 13:38:39,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 13:38:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:38:39,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:38:39,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:38:39,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:38:39,571 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:38:39,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:38:39,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237280578] [2024-10-13 13:38:39,572 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:38:39,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793478276] [2024-10-13 13:38:39,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1793478276] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:38:39,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:38:39,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:38:39,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268936944] [2024-10-13 13:38:39,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:38:39,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:38:39,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:38:39,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:38:39,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:38:39,574 INFO L87 Difference]: Start difference. First operand 97 states and 106 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:38:39,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:38:39,847 INFO L93 Difference]: Finished difference Result 108 states and 117 transitions. [2024-10-13 13:38:39,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:38:39,847 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2024-10-13 13:38:39,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:38:39,848 INFO L225 Difference]: With dead ends: 108 [2024-10-13 13:38:39,848 INFO L226 Difference]: Without dead ends: 105 [2024-10-13 13:38:39,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:38:39,849 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 81 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:38:39,849 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 38 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:38:39,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-10-13 13:38:39,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 99. [2024-10-13 13:38:39,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 65 states have (on average 1.523076923076923) internal successors, (99), 92 states have internal predecessors, (99), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-13 13:38:39,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 107 transitions. [2024-10-13 13:38:39,860 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 107 transitions. Word has length 21 [2024-10-13 13:38:39,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:38:39,860 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 107 transitions. [2024-10-13 13:38:39,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:38:39,860 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 107 transitions. [2024-10-13 13:38:39,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-13 13:38:39,861 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:38:39,861 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:38:39,877 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-13 13:38:40,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:38:40,062 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:38:40,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:38:40,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1505132680, now seen corresponding path program 1 times [2024-10-13 13:38:40,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:38:40,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239617872] [2024-10-13 13:38:40,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:38:40,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:38:40,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:38:40,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [324969398] [2024-10-13 13:38:40,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:38:40,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:38:40,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:38:40,081 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) [2024-10-13 13:38:40,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-13 13:38:40,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:38:40,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:38:40,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:38:40,165 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:38:40,165 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:38:40,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:38:40,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239617872] [2024-10-13 13:38:40,166 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:38:40,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324969398] [2024-10-13 13:38:40,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [324969398] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:38:40,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:38:40,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:38:40,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194872024] [2024-10-13 13:38:40,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:38:40,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:38:40,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:38:40,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:38:40,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:38:40,171 INFO L87 Difference]: Start difference. First operand 99 states and 107 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:38:40,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:38:40,294 INFO L93 Difference]: Finished difference Result 108 states and 114 transitions. [2024-10-13 13:38:40,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:38:40,295 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2024-10-13 13:38:40,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:38:40,296 INFO L225 Difference]: With dead ends: 108 [2024-10-13 13:38:40,296 INFO L226 Difference]: Without dead ends: 105 [2024-10-13 13:38:40,296 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:38:40,298 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 56 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:38:40,299 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 47 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:38:40,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-10-13 13:38:40,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 101. [2024-10-13 13:38:40,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 67 states have (on average 1.492537313432836) internal successors, (100), 94 states have internal predecessors, (100), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-13 13:38:40,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 108 transitions. [2024-10-13 13:38:40,308 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 108 transitions. Word has length 22 [2024-10-13 13:38:40,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:38:40,309 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 108 transitions. [2024-10-13 13:38:40,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:38:40,309 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 108 transitions. [2024-10-13 13:38:40,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-13 13:38:40,310 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:38:40,310 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] [2024-10-13 13:38:40,322 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-13 13:38:40,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:38:40,511 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:38:40,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:38:40,512 INFO L85 PathProgramCache]: Analyzing trace with hash 585527239, now seen corresponding path program 1 times [2024-10-13 13:38:40,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:38:40,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363296825] [2024-10-13 13:38:40,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:38:40,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:38:40,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:38:40,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1827548238] [2024-10-13 13:38:40,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:38:40,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:38:40,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:38:40,526 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) [2024-10-13 13:38:40,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-13 13:38:40,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:38:40,559 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:38:40,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:38:40,593 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:38:40,593 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:38:40,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:38:40,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363296825] [2024-10-13 13:38:40,593 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:38:40,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827548238] [2024-10-13 13:38:40,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827548238] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:38:40,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:38:40,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:38:40,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083772721] [2024-10-13 13:38:40,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:38:40,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:38:40,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:38:40,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:38:40,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:38:40,595 INFO L87 Difference]: Start difference. First operand 101 states and 108 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:38:40,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:38:40,791 INFO L93 Difference]: Finished difference Result 109 states and 111 transitions. [2024-10-13 13:38:40,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:38:40,791 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2024-10-13 13:38:40,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:38:40,792 INFO L225 Difference]: With dead ends: 109 [2024-10-13 13:38:40,792 INFO L226 Difference]: Without dead ends: 95 [2024-10-13 13:38:40,792 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:38:40,793 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 20 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:38:40,793 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 69 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:38:40,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-10-13 13:38:40,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2024-10-13 13:38:40,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 59 states have (on average 1.5084745762711864) internal successors, (89), 86 states have internal predecessors, (89), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-13 13:38:40,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 97 transitions. [2024-10-13 13:38:40,798 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 97 transitions. Word has length 23 [2024-10-13 13:38:40,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:38:40,798 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 97 transitions. [2024-10-13 13:38:40,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:38:40,798 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 97 transitions. [2024-10-13 13:38:40,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-10-13 13:38:40,799 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:38:40,799 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:38:40,812 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-13 13:38:40,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:38:41,000 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:38:41,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:38:41,001 INFO L85 PathProgramCache]: Analyzing trace with hash -210165693, now seen corresponding path program 1 times [2024-10-13 13:38:41,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:38:41,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415100952] [2024-10-13 13:38:41,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:38:41,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:38:41,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:38:41,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:38:41,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:38:41,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:38:41,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:38:41,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:38:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:38:41,100 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:38:41,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:38:41,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415100952] [2024-10-13 13:38:41,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415100952] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:38:41,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:38:41,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:38:41,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724604873] [2024-10-13 13:38:41,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:38:41,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:38:41,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:38:41,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:38:41,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:38:41,102 INFO L87 Difference]: Start difference. First operand 93 states and 97 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-13 13:38:41,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:38:41,122 INFO L93 Difference]: Finished difference Result 95 states and 97 transitions. [2024-10-13 13:38:41,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:38:41,123 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 31 [2024-10-13 13:38:41,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:38:41,123 INFO L225 Difference]: With dead ends: 95 [2024-10-13 13:38:41,125 INFO L226 Difference]: Without dead ends: 93 [2024-10-13 13:38:41,125 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:38:41,125 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 1 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 134 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 [2024-10-13 13:38:41,126 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 134 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:38:41,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-10-13 13:38:41,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-10-13 13:38:41,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 59 states have (on average 1.4745762711864407) internal successors, (87), 86 states have internal predecessors, (87), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-13 13:38:41,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 95 transitions. [2024-10-13 13:38:41,136 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 95 transitions. Word has length 31 [2024-10-13 13:38:41,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:38:41,137 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 95 transitions. [2024-10-13 13:38:41,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-13 13:38:41,137 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 95 transitions. [2024-10-13 13:38:41,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-13 13:38:41,138 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:38:41,138 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:38:41,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 13:38:41,138 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:38:41,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:38:41,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1832328848, now seen corresponding path program 1 times [2024-10-13 13:38:41,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:38:41,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499717588] [2024-10-13 13:38:41,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:38:41,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:38:41,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:38:41,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1028439902] [2024-10-13 13:38:41,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:38:41,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:38:41,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:38:41,169 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) [2024-10-13 13:38:41,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-13 13:38:41,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:38:41,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-13 13:38:41,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:38:41,385 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 13:38:41,385 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:38:41,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:38:41,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499717588] [2024-10-13 13:38:41,604 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:38:41,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028439902] [2024-10-13 13:38:41,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1028439902] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:38:41,604 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:38:41,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-13 13:38:41,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437140744] [2024-10-13 13:38:41,604 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:38:41,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 13:38:41,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:38:41,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 13:38:41,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:38:41,606 INFO L87 Difference]: Start difference. First operand 93 states and 95 transitions. Second operand has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-13 13:38:41,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:38:41,759 INFO L93 Difference]: Finished difference Result 93 states and 95 transitions. [2024-10-13 13:38:41,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 13:38:41,759 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 40 [2024-10-13 13:38:41,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:38:41,760 INFO L225 Difference]: With dead ends: 93 [2024-10-13 13:38:41,760 INFO L226 Difference]: Without dead ends: 87 [2024-10-13 13:38:41,761 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:38:41,761 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 57 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:38:41,761 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 87 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:38:41,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-10-13 13:38:41,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2024-10-13 13:38:41,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 59 states have (on average 1.3728813559322033) internal successors, (81), 80 states have internal predecessors, (81), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-13 13:38:41,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 89 transitions. [2024-10-13 13:38:41,765 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 89 transitions. Word has length 40 [2024-10-13 13:38:41,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:38:41,765 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 89 transitions. [2024-10-13 13:38:41,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-13 13:38:41,766 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 89 transitions. [2024-10-13 13:38:41,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-13 13:38:41,766 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:38:41,766 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:38:41,782 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-13 13:38:41,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:38:41,971 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:38:41,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:38:41,971 INFO L85 PathProgramCache]: Analyzing trace with hash -967619391, now seen corresponding path program 1 times [2024-10-13 13:38:41,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:38:41,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167948858] [2024-10-13 13:38:41,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:38:41,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:38:41,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:38:41,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1254727215] [2024-10-13 13:38:41,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:38:41,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:38:41,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:38:42,000 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) [2024-10-13 13:38:42,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-13 13:38:42,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:38:42,036 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-13 13:38:42,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:38:42,195 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 13:38:42,195 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:38:43,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:38:43,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167948858] [2024-10-13 13:38:43,118 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:38:43,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1254727215] [2024-10-13 13:38:43,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1254727215] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:38:43,118 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:38:43,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-13 13:38:43,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950432372] [2024-10-13 13:38:43,119 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:38:43,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 13:38:43,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:38:43,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 13:38:43,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:38:43,120 INFO L87 Difference]: Start difference. First operand 87 states and 89 transitions. Second operand has 9 states, 8 states have (on average 4.375) internal successors, (35), 9 states have internal predecessors, (35), 3 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-13 13:38:43,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:38:43,448 INFO L93 Difference]: Finished difference Result 124 states and 139 transitions. [2024-10-13 13:38:43,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 13:38:43,448 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.375) internal successors, (35), 9 states have internal predecessors, (35), 3 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 41 [2024-10-13 13:38:43,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:38:43,449 INFO L225 Difference]: With dead ends: 124 [2024-10-13 13:38:43,449 INFO L226 Difference]: Without dead ends: 118 [2024-10-13 13:38:43,450 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:38:43,450 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 60 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:38:43,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 97 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:38:43,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-10-13 13:38:43,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 110. [2024-10-13 13:38:43,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 81 states have (on average 1.382716049382716) internal successors, (112), 102 states have internal predecessors, (112), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-13 13:38:43,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 122 transitions. [2024-10-13 13:38:43,454 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 122 transitions. Word has length 41 [2024-10-13 13:38:43,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:38:43,455 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 122 transitions. [2024-10-13 13:38:43,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.375) internal successors, (35), 9 states have internal predecessors, (35), 3 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-13 13:38:43,455 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 122 transitions. [2024-10-13 13:38:43,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-13 13:38:43,455 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:38:43,456 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:38:43,469 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-13 13:38:43,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:38:43,658 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:38:43,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:38:43,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1471264180, now seen corresponding path program 1 times [2024-10-13 13:38:43,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:38:43,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724415253] [2024-10-13 13:38:43,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:38:43,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:38:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:38:43,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2042401337] [2024-10-13 13:38:43,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:38:43,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:38:43,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:38:43,671 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) [2024-10-13 13:38:43,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-13 13:38:43,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:38:43,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 13:38:43,710 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:38:43,799 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:38:43,799 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:38:44,199 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:38:44,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:38:44,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724415253] [2024-10-13 13:38:44,199 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:38:44,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042401337] [2024-10-13 13:38:44,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2042401337] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:38:44,200 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:38:44,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-10-13 13:38:44,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904291759] [2024-10-13 13:38:44,200 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:38:44,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 13:38:44,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:38:44,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 13:38:44,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:38:44,201 INFO L87 Difference]: Start difference. First operand 110 states and 122 transitions. Second operand has 8 states, 7 states have (on average 9.142857142857142) internal successors, (64), 8 states have internal predecessors, (64), 4 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-10-13 13:38:46,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:38:46,030 INFO L93 Difference]: Finished difference Result 160 states and 200 transitions. [2024-10-13 13:38:46,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 13:38:46,030 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.142857142857142) internal successors, (64), 8 states have internal predecessors, (64), 4 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) Word has length 44 [2024-10-13 13:38:46,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:38:46,032 INFO L225 Difference]: With dead ends: 160 [2024-10-13 13:38:46,032 INFO L226 Difference]: Without dead ends: 158 [2024-10-13 13:38:46,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2024-10-13 13:38:46,032 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 195 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-13 13:38:46,034 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 92 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-13 13:38:46,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-10-13 13:38:46,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 138. [2024-10-13 13:38:46,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 109 states have (on average 1.4311926605504588) internal successors, (156), 129 states have internal predecessors, (156), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 13:38:46,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 168 transitions. [2024-10-13 13:38:46,044 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 168 transitions. Word has length 44 [2024-10-13 13:38:46,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:38:46,045 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 168 transitions. [2024-10-13 13:38:46,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.142857142857142) internal successors, (64), 8 states have internal predecessors, (64), 4 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-10-13 13:38:46,046 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 168 transitions. [2024-10-13 13:38:46,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-13 13:38:46,047 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:38:46,047 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:38:46,063 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-13 13:38:46,247 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,SelfDestructingSolverStorable9 [2024-10-13 13:38:46,247 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:38:46,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:38:46,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1635450619, now seen corresponding path program 1 times [2024-10-13 13:38:46,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:38:46,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994519309] [2024-10-13 13:38:46,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:38:46,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:38:46,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:38:46,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1597961165] [2024-10-13 13:38:46,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:38:46,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:38:46,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:38:46,270 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) [2024-10-13 13:38:46,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-13 13:38:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:38:46,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-13 13:38:46,314 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:38:46,457 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 13:38:46,457 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:38:47,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:38:47,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994519309] [2024-10-13 13:38:47,870 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:38:47,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1597961165] [2024-10-13 13:38:47,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1597961165] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:38:47,870 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:38:47,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-13 13:38:47,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189908431] [2024-10-13 13:38:47,870 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:38:47,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 13:38:47,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:38:47,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 13:38:47,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-10-13 13:38:47,871 INFO L87 Difference]: Start difference. First operand 138 states and 168 transitions. Second operand has 8 states, 7 states have (on average 5.571428571428571) internal successors, (39), 8 states have internal predecessors, (39), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-13 13:38:48,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:38:48,043 INFO L93 Difference]: Finished difference Result 138 states and 168 transitions. [2024-10-13 13:38:48,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 13:38:48,044 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.571428571428571) internal successors, (39), 8 states have internal predecessors, (39), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 45 [2024-10-13 13:38:48,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:38:48,045 INFO L225 Difference]: With dead ends: 138 [2024-10-13 13:38:48,045 INFO L226 Difference]: Without dead ends: 132 [2024-10-13 13:38:48,045 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-10-13 13:38:48,046 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 53 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:38:48,046 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 102 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:38:48,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-10-13 13:38:48,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 128. [2024-10-13 13:38:48,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 105 states have (on average 1.3523809523809525) internal successors, (142), 119 states have internal predecessors, (142), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 13:38:48,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 154 transitions. [2024-10-13 13:38:48,050 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 154 transitions. Word has length 45 [2024-10-13 13:38:48,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:38:48,051 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 154 transitions. [2024-10-13 13:38:48,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.571428571428571) internal successors, (39), 8 states have internal predecessors, (39), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-13 13:38:48,051 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 154 transitions. [2024-10-13 13:38:48,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-10-13 13:38:48,051 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:38:48,051 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:38:48,067 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-13 13:38:48,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:38:48,255 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:38:48,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:38:48,256 INFO L85 PathProgramCache]: Analyzing trace with hash 840638422, now seen corresponding path program 1 times [2024-10-13 13:38:48,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:38:48,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645390175] [2024-10-13 13:38:48,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:38:48,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:38:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:38:48,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1651668229] [2024-10-13 13:38:48,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:38:48,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:38:48,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:38:48,275 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) [2024-10-13 13:38:48,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-13 13:38:48,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:38:48,314 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-13 13:38:48,315 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:38:48,467 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 13:38:48,468 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:38:48,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:38:48,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645390175] [2024-10-13 13:38:48,830 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:38:48,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651668229] [2024-10-13 13:38:48,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1651668229] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:38:48,830 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:38:48,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-13 13:38:48,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934220685] [2024-10-13 13:38:48,830 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:38:48,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 13:38:48,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:38:48,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 13:38:48,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:38:48,831 INFO L87 Difference]: Start difference. First operand 128 states and 154 transitions. Second operand has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 7 states have internal predecessors, (40), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-13 13:38:48,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:38:48,953 INFO L93 Difference]: Finished difference Result 128 states and 154 transitions. [2024-10-13 13:38:48,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 13:38:48,954 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 7 states have internal predecessors, (40), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 46 [2024-10-13 13:38:48,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:38:48,954 INFO L225 Difference]: With dead ends: 128 [2024-10-13 13:38:48,954 INFO L226 Difference]: Without dead ends: 125 [2024-10-13 13:38:48,955 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:38:48,955 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 49 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:38:48,955 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 87 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:38:48,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-10-13 13:38:48,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2024-10-13 13:38:48,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 105 states have (on average 1.2857142857142858) internal successors, (135), 116 states have internal predecessors, (135), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 13:38:48,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 147 transitions. [2024-10-13 13:38:48,959 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 147 transitions. Word has length 46 [2024-10-13 13:38:48,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:38:48,960 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 147 transitions. [2024-10-13 13:38:48,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 7 states have internal predecessors, (40), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-13 13:38:48,960 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2024-10-13 13:38:48,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-13 13:38:48,960 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:38:48,961 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:38:48,976 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-13 13:38:49,164 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,SelfDestructingSolverStorable11 [2024-10-13 13:38:49,165 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:38:49,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:38:49,165 INFO L85 PathProgramCache]: Analyzing trace with hash 289987367, now seen corresponding path program 1 times [2024-10-13 13:38:49,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:38:49,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330487308] [2024-10-13 13:38:49,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:38:49,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:38:49,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:38:49,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2070037295] [2024-10-13 13:38:49,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:38:49,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:38:49,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:38:49,192 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) [2024-10-13 13:38:49,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-13 13:38:49,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:38:49,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-13 13:38:49,225 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:38:49,353 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 13:38:49,354 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:38:49,802 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 13:38:49,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:38:49,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330487308] [2024-10-13 13:38:49,803 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:38:49,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2070037295] [2024-10-13 13:38:49,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2070037295] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:38:49,803 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:38:49,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-10-13 13:38:49,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558139296] [2024-10-13 13:38:49,803 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:38:49,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 13:38:49,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:38:49,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 13:38:49,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-10-13 13:38:49,804 INFO L87 Difference]: Start difference. First operand 125 states and 147 transitions. Second operand has 11 states, 10 states have (on average 7.4) internal successors, (74), 11 states have internal predecessors, (74), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-13 13:38:50,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:38:50,504 INFO L93 Difference]: Finished difference Result 153 states and 175 transitions. [2024-10-13 13:38:50,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 13:38:50,504 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.4) internal successors, (74), 11 states have internal predecessors, (74), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 47 [2024-10-13 13:38:50,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:38:50,505 INFO L225 Difference]: With dead ends: 153 [2024-10-13 13:38:50,505 INFO L226 Difference]: Without dead ends: 150 [2024-10-13 13:38:50,505 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-10-13 13:38:50,510 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 252 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 13:38:50,510 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 138 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 13:38:50,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-10-13 13:38:50,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 126. [2024-10-13 13:38:50,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 108 states have (on average 1.2222222222222223) internal successors, (132), 117 states have internal predecessors, (132), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 13:38:50,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 144 transitions. [2024-10-13 13:38:50,515 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 144 transitions. Word has length 47 [2024-10-13 13:38:50,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:38:50,515 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 144 transitions. [2024-10-13 13:38:50,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.4) internal successors, (74), 11 states have internal predecessors, (74), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-13 13:38:50,515 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 144 transitions. [2024-10-13 13:38:50,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-13 13:38:50,517 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:38:50,517 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:38:50,532 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-13 13:38:50,717 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,SelfDestructingSolverStorable12 [2024-10-13 13:38:50,718 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:38:50,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:38:50,718 INFO L85 PathProgramCache]: Analyzing trace with hash 399673848, now seen corresponding path program 1 times [2024-10-13 13:38:50,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:38:50,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719510876] [2024-10-13 13:38:50,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:38:50,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:38:50,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:38:50,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [422426144] [2024-10-13 13:38:50,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:38:50,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:38:50,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:38:50,729 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) [2024-10-13 13:38:50,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-13 13:38:50,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:38:50,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-13 13:38:50,759 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:38:50,845 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:38:50,845 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:38:51,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:38:51,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719510876] [2024-10-13 13:38:51,482 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:38:51,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [422426144] [2024-10-13 13:38:51,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [422426144] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:38:51,482 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:38:51,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-13 13:38:51,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754926427] [2024-10-13 13:38:51,482 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:38:51,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:38:51,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:38:51,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:38:51,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:38:51,483 INFO L87 Difference]: Start difference. First operand 126 states and 144 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-13 13:38:51,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:38:51,722 INFO L93 Difference]: Finished difference Result 142 states and 155 transitions. [2024-10-13 13:38:51,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:38:51,723 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 48 [2024-10-13 13:38:51,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:38:51,723 INFO L225 Difference]: With dead ends: 142 [2024-10-13 13:38:51,723 INFO L226 Difference]: Without dead ends: 128 [2024-10-13 13:38:51,724 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:38:51,724 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 20 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:38:51,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 99 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:38:51,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-10-13 13:38:51,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 126. [2024-10-13 13:38:51,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 108 states have (on average 1.1944444444444444) internal successors, (129), 117 states have internal predecessors, (129), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 13:38:51,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 141 transitions. [2024-10-13 13:38:51,730 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 141 transitions. Word has length 48 [2024-10-13 13:38:51,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:38:51,731 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 141 transitions. [2024-10-13 13:38:51,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-13 13:38:51,732 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 141 transitions. [2024-10-13 13:38:51,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-10-13 13:38:51,733 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:38:51,733 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:38:51,745 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-13 13:38:51,933 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,SelfDestructingSolverStorable13 [2024-10-13 13:38:51,934 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:38:51,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:38:51,934 INFO L85 PathProgramCache]: Analyzing trace with hash -1866172044, now seen corresponding path program 1 times [2024-10-13 13:38:51,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:38:51,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626020480] [2024-10-13 13:38:51,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:38:51,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:38:51,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:38:52,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:38:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:38:52,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:38:52,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:38:52,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:38:52,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:38:52,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-13 13:38:52,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:38:52,026 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:38:52,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:38:52,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626020480] [2024-10-13 13:38:52,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626020480] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:38:52,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [788043251] [2024-10-13 13:38:52,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:38:52,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:38:52,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:38:52,028 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) [2024-10-13 13:38:52,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-13 13:38:52,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:38:52,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 13:38:52,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:38:52,096 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:38:52,096 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:38:52,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [788043251] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:38:52,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:38:52,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-10-13 13:38:52,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581552904] [2024-10-13 13:38:52,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:38:52,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:38:52,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:38:52,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:38:52,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:38:52,098 INFO L87 Difference]: Start difference. First operand 126 states and 141 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-13 13:38:52,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:38:52,112 INFO L93 Difference]: Finished difference Result 126 states and 141 transitions. [2024-10-13 13:38:52,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:38:52,113 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 56 [2024-10-13 13:38:52,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:38:52,113 INFO L225 Difference]: With dead ends: 126 [2024-10-13 13:38:52,113 INFO L226 Difference]: Without dead ends: 125 [2024-10-13 13:38:52,114 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:38:52,114 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 7 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:38:52,115 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 120 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:38:52,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-10-13 13:38:52,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2024-10-13 13:38:52,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 108 states have (on average 1.1666666666666667) internal successors, (126), 116 states have internal predecessors, (126), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 13:38:52,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 138 transitions. [2024-10-13 13:38:52,119 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 138 transitions. Word has length 56 [2024-10-13 13:38:52,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:38:52,119 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 138 transitions. [2024-10-13 13:38:52,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-13 13:38:52,119 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 138 transitions. [2024-10-13 13:38:52,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-10-13 13:38:52,120 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:38:52,120 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:38:52,134 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-13 13:38:52,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-13 13:38:52,321 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:38:52,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:38:52,321 INFO L85 PathProgramCache]: Analyzing trace with hash -2016758441, now seen corresponding path program 1 times [2024-10-13 13:38:52,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:38:52,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365439948] [2024-10-13 13:38:52,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:38:52,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:38:52,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:38:52,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:38:52,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:38:52,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:38:52,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:38:52,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:38:52,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:38:52,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-13 13:38:52,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:38:52,399 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:38:52,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:38:52,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365439948] [2024-10-13 13:38:52,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365439948] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:38:52,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1442651856] [2024-10-13 13:38:52,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:38:52,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:38:52,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:38:52,401 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) [2024-10-13 13:38:52,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-13 13:38:52,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:38:52,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 13:38:52,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:38:52,471 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:38:52,471 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:38:52,529 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:38:52,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1442651856] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:38:52,529 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:38:52,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-13 13:38:52,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977930121] [2024-10-13 13:38:52,529 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:38:52,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 13:38:52,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:38:52,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 13:38:52,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:38:52,531 INFO L87 Difference]: Start difference. First operand 125 states and 138 transitions. Second operand has 7 states, 6 states have (on average 15.5) internal successors, (93), 7 states have internal predecessors, (93), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-10-13 13:38:52,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:38:52,554 INFO L93 Difference]: Finished difference Result 140 states and 149 transitions. [2024-10-13 13:38:52,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:38:52,554 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.5) internal successors, (93), 7 states have internal predecessors, (93), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 57 [2024-10-13 13:38:52,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:38:52,555 INFO L225 Difference]: With dead ends: 140 [2024-10-13 13:38:52,555 INFO L226 Difference]: Without dead ends: 139 [2024-10-13 13:38:52,555 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:38:52,556 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 18 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 155 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 [2024-10-13 13:38:52,556 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 155 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:38:52,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-10-13 13:38:52,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 131. [2024-10-13 13:38:52,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 113 states have (on average 1.168141592920354) internal successors, (132), 121 states have internal predecessors, (132), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-13 13:38:52,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 146 transitions. [2024-10-13 13:38:52,560 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 146 transitions. Word has length 57 [2024-10-13 13:38:52,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:38:52,560 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 146 transitions. [2024-10-13 13:38:52,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.5) internal successors, (93), 7 states have internal predecessors, (93), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-10-13 13:38:52,561 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 146 transitions. [2024-10-13 13:38:52,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-13 13:38:52,561 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:38:52,561 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:38:52,573 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-10-13 13:38:52,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:38:52,765 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:38:52,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:38:52,766 INFO L85 PathProgramCache]: Analyzing trace with hash -2083939150, now seen corresponding path program 2 times [2024-10-13 13:38:52,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:38:52,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642765078] [2024-10-13 13:38:52,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:38:52,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:38:52,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:38:52,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [234102526] [2024-10-13 13:38:52,781 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:38:52,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:38:52,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:38:52,782 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:38:52,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-13 13:38:52,841 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 13:38:52,841 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:38:52,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-13 13:38:52,843 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:38:53,031 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-13 13:38:53,031 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:38:53,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:38:53,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642765078] [2024-10-13 13:38:53,438 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:38:53,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [234102526] [2024-10-13 13:38:53,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [234102526] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:38:53,438 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:38:53,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-13 13:38:53,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536930520] [2024-10-13 13:38:53,438 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:38:53,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 13:38:53,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:38:53,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 13:38:53,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:38:53,440 INFO L87 Difference]: Start difference. First operand 131 states and 146 transitions. Second operand has 8 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-13 13:38:53,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:38:53,642 INFO L93 Difference]: Finished difference Result 143 states and 157 transitions. [2024-10-13 13:38:53,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 13:38:53,642 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 66 [2024-10-13 13:38:53,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:38:53,643 INFO L225 Difference]: With dead ends: 143 [2024-10-13 13:38:53,643 INFO L226 Difference]: Without dead ends: 141 [2024-10-13 13:38:53,643 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:38:53,644 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 57 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:38:53,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 97 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:38:53,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-10-13 13:38:53,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 131. [2024-10-13 13:38:53,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 113 states have (on average 1.1504424778761062) internal successors, (130), 121 states have internal predecessors, (130), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-13 13:38:53,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 144 transitions. [2024-10-13 13:38:53,648 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 144 transitions. Word has length 66 [2024-10-13 13:38:53,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:38:53,648 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 144 transitions. [2024-10-13 13:38:53,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-13 13:38:53,649 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 144 transitions. [2024-10-13 13:38:53,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-13 13:38:53,650 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:38:53,650 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:38:53,664 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-13 13:38:53,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-13 13:38:53,851 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:38:53,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:38:53,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1318020889, now seen corresponding path program 2 times [2024-10-13 13:38:53,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:38:53,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783021256] [2024-10-13 13:38:53,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:38:53,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:38:53,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:38:53,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1429155523] [2024-10-13 13:38:53,868 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:38:53,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:38:53,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:38:53,870 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:38:53,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-13 13:38:53,904 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 13:38:53,904 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:38:53,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-13 13:38:53,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:38:54,140 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 3 proven. 41 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-13 13:38:54,141 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:38:54,525 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-13 13:38:54,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:38:54,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783021256] [2024-10-13 13:38:54,525 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:38:54,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1429155523] [2024-10-13 13:38:54,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1429155523] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-13 13:38:54,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:38:54,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-10-13 13:38:54,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188047136] [2024-10-13 13:38:54,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:38:54,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 13:38:54,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:38:54,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 13:38:54,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-10-13 13:38:54,530 INFO L87 Difference]: Start difference. First operand 131 states and 144 transitions. Second operand has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 13:38:59,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-13 13:39:00,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:39:00,046 INFO L93 Difference]: Finished difference Result 131 states and 144 transitions. [2024-10-13 13:39:00,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 13:39:00,046 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 73 [2024-10-13 13:39:00,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:39:00,047 INFO L225 Difference]: With dead ends: 131 [2024-10-13 13:39:00,047 INFO L226 Difference]: Without dead ends: 129 [2024-10-13 13:39:00,047 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-10-13 13:39:00,048 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 43 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-10-13 13:39:00,048 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 88 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 167 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2024-10-13 13:39:00,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-10-13 13:39:00,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2024-10-13 13:39:00,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 113 states have (on average 1.1150442477876106) internal successors, (126), 119 states have internal predecessors, (126), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-13 13:39:00,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 140 transitions. [2024-10-13 13:39:00,053 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 140 transitions. Word has length 73 [2024-10-13 13:39:00,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:39:00,053 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 140 transitions. [2024-10-13 13:39:00,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 13:39:00,053 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 140 transitions. [2024-10-13 13:39:00,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-13 13:39:00,054 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:39:00,054 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:39:00,066 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-13 13:39:00,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-13 13:39:00,254 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:39:00,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:39:00,255 INFO L85 PathProgramCache]: Analyzing trace with hash 2091025466, now seen corresponding path program 1 times [2024-10-13 13:39:00,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:39:00,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190452200] [2024-10-13 13:39:00,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:39:00,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:39:00,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:39:00,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2087248355] [2024-10-13 13:39:00,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:39:00,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:39:00,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:39:00,272 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:39:00,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-13 13:39:00,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:39:00,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-13 13:39:00,314 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:39:00,854 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 3 proven. 46 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-13 13:39:00,854 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:39:02,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:39:02,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190452200] [2024-10-13 13:39:02,375 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:39:02,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087248355] [2024-10-13 13:39:02,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2087248355] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:39:02,375 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:39:02,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-10-13 13:39:02,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756335413] [2024-10-13 13:39:02,375 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:39:02,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-13 13:39:02,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:39:02,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-13 13:39:02,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2024-10-13 13:39:02,376 INFO L87 Difference]: Start difference. First operand 129 states and 140 transitions. Second operand has 14 states, 13 states have (on average 5.076923076923077) internal successors, (66), 14 states have internal predecessors, (66), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-13 13:39:02,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:39:02,875 INFO L93 Difference]: Finished difference Result 143 states and 152 transitions. [2024-10-13 13:39:02,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-13 13:39:02,876 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.076923076923077) internal successors, (66), 14 states have internal predecessors, (66), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 74 [2024-10-13 13:39:02,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:39:02,877 INFO L225 Difference]: With dead ends: 143 [2024-10-13 13:39:02,877 INFO L226 Difference]: Without dead ends: 131 [2024-10-13 13:39:02,877 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2024-10-13 13:39:02,878 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 68 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 652 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 13:39:02,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 200 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 652 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 13:39:02,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-10-13 13:39:02,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 129. [2024-10-13 13:39:02,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 113 states have (on average 1.0973451327433628) internal successors, (124), 119 states have internal predecessors, (124), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-13 13:39:02,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 138 transitions. [2024-10-13 13:39:02,884 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 138 transitions. Word has length 74 [2024-10-13 13:39:02,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:39:02,885 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 138 transitions. [2024-10-13 13:39:02,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.076923076923077) internal successors, (66), 14 states have internal predecessors, (66), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-13 13:39:02,885 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 138 transitions. [2024-10-13 13:39:02,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-10-13 13:39:02,885 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:39:02,885 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:39:02,898 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-10-13 13:39:03,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:39:03,089 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:39:03,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:39:03,090 INFO L85 PathProgramCache]: Analyzing trace with hash -2058261023, now seen corresponding path program 3 times [2024-10-13 13:39:03,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:39:03,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045360852] [2024-10-13 13:39:03,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:39:03,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:39:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:39:03,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1914583657] [2024-10-13 13:39:03,108 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-13 13:39:03,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:39:03,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:39:03,112 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:39:03,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-13 13:39:03,335 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-10-13 13:39:03,335 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:39:03,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-13 13:39:03,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:39:03,897 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 6 proven. 75 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-13 13:39:03,897 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:39:04,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:39:04,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045360852] [2024-10-13 13:39:04,781 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:39:04,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1914583657] [2024-10-13 13:39:04,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1914583657] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:39:04,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:39:04,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-10-13 13:39:04,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424294391] [2024-10-13 13:39:04,781 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:39:04,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-13 13:39:04,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:39:04,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-13 13:39:04,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2024-10-13 13:39:04,783 INFO L87 Difference]: Start difference. First operand 129 states and 138 transitions. Second operand has 14 states, 13 states have (on average 6.0) internal successors, (78), 14 states have internal predecessors, (78), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-13 13:39:05,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:39:05,236 INFO L93 Difference]: Finished difference Result 147 states and 154 transitions. [2024-10-13 13:39:05,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-13 13:39:05,237 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.0) internal successors, (78), 14 states have internal predecessors, (78), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Word has length 91 [2024-10-13 13:39:05,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:39:05,238 INFO L225 Difference]: With dead ends: 147 [2024-10-13 13:39:05,238 INFO L226 Difference]: Without dead ends: 145 [2024-10-13 13:39:05,238 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2024-10-13 13:39:05,239 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 89 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 707 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:39:05,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 230 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 707 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:39:05,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-10-13 13:39:05,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 129. [2024-10-13 13:39:05,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 113 states have (on average 1.079646017699115) internal successors, (122), 119 states have internal predecessors, (122), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-13 13:39:05,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 136 transitions. [2024-10-13 13:39:05,244 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 136 transitions. Word has length 91 [2024-10-13 13:39:05,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:39:05,245 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 136 transitions. [2024-10-13 13:39:05,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.0) internal successors, (78), 14 states have internal predecessors, (78), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-13 13:39:05,245 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 136 transitions. [2024-10-13 13:39:05,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-13 13:39:05,245 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:39:05,245 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:39:05,252 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-10-13 13:39:05,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:39:05,449 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:39:05,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:39:05,450 INFO L85 PathProgramCache]: Analyzing trace with hash 509195881, now seen corresponding path program 2 times [2024-10-13 13:39:05,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:39:05,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751687581] [2024-10-13 13:39:05,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:39:05,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:39:05,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:39:05,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1903527903] [2024-10-13 13:39:05,462 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:39:05,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:39:05,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:39:05,466 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:39:05,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-13 13:39:05,512 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 13:39:05,512 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:39:05,515 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-13 13:39:05,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:39:05,928 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 43 proven. 56 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-13 13:39:05,929 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:39:17,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:39:17,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751687581] [2024-10-13 13:39:17,893 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:39:17,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1903527903] [2024-10-13 13:39:17,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1903527903] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:39:17,894 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:39:17,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-10-13 13:39:17,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466219341] [2024-10-13 13:39:17,894 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:39:17,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 13:39:17,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:39:17,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 13:39:17,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=108, Unknown=2, NotChecked=0, Total=156 [2024-10-13 13:39:17,895 INFO L87 Difference]: Start difference. First operand 129 states and 136 transitions. Second operand has 10 states, 9 states have (on average 9.222222222222221) internal successors, (83), 10 states have internal predecessors, (83), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-13 13:39:18,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:39:18,667 INFO L93 Difference]: Finished difference Result 129 states and 136 transitions. [2024-10-13 13:39:18,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 13:39:18,667 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.222222222222221) internal successors, (83), 10 states have internal predecessors, (83), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Word has length 99 [2024-10-13 13:39:18,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:39:18,668 INFO L225 Difference]: With dead ends: 129 [2024-10-13 13:39:18,668 INFO L226 Difference]: Without dead ends: 117 [2024-10-13 13:39:18,669 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 11.5s TimeCoverageRelationStatistics Valid=46, Invalid=108, Unknown=2, NotChecked=0, Total=156 [2024-10-13 13:39:18,669 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 31 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-13 13:39:18,669 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 161 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-13 13:39:18,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-10-13 13:39:18,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-10-13 13:39:18,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 103 states have (on average 1.0485436893203883) internal successors, (108), 107 states have internal predecessors, (108), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-13 13:39:18,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 122 transitions. [2024-10-13 13:39:18,677 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 122 transitions. Word has length 99 [2024-10-13 13:39:18,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:39:18,677 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 122 transitions. [2024-10-13 13:39:18,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.222222222222221) internal successors, (83), 10 states have internal predecessors, (83), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-13 13:39:18,677 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 122 transitions. [2024-10-13 13:39:18,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-10-13 13:39:18,678 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:39:18,678 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, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:39:18,693 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-10-13 13:39:18,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:39:18,883 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:39:18,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:39:18,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1030553490, now seen corresponding path program 4 times [2024-10-13 13:39:18,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:39:18,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142636799] [2024-10-13 13:39:18,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:39:18,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:39:18,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:39:18,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [114602634] [2024-10-13 13:39:18,908 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-13 13:39:18,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:39:18,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:39:18,909 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:39:18,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-13 13:39:18,982 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-13 13:39:18,983 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:39:18,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-13 13:39:18,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:39:20,193 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 3 proven. 147 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-13 13:39:20,193 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:39:20,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:39:20,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142636799] [2024-10-13 13:39:20,709 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:39:20,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [114602634] [2024-10-13 13:39:20,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [114602634] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:39:20,709 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:39:20,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-10-13 13:39:20,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145746481] [2024-10-13 13:39:20,710 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:39:20,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-13 13:39:20,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:39:20,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-13 13:39:20,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-10-13 13:39:20,711 INFO L87 Difference]: Start difference. First operand 117 states and 122 transitions. Second operand has 14 states, 13 states have (on average 7.538461538461538) internal successors, (98), 14 states have internal predecessors, (98), 6 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 13:39:21,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:39:21,847 INFO L93 Difference]: Finished difference Result 147 states and 155 transitions. [2024-10-13 13:39:21,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-13 13:39:21,848 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 7.538461538461538) internal successors, (98), 14 states have internal predecessors, (98), 6 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) Word has length 116 [2024-10-13 13:39:21,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:39:21,848 INFO L225 Difference]: With dead ends: 147 [2024-10-13 13:39:21,849 INFO L226 Difference]: Without dead ends: 145 [2024-10-13 13:39:21,849 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-13 13:39:21,849 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 45 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:39:21,849 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 135 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-13 13:39:21,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-10-13 13:39:21,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 128. [2024-10-13 13:39:21,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 114 states have (on average 1.043859649122807) internal successors, (119), 118 states have internal predecessors, (119), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-13 13:39:21,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 133 transitions. [2024-10-13 13:39:21,855 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 133 transitions. Word has length 116 [2024-10-13 13:39:21,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:39:21,856 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 133 transitions. [2024-10-13 13:39:21,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 7.538461538461538) internal successors, (98), 14 states have internal predecessors, (98), 6 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 13:39:21,856 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 133 transitions. [2024-10-13 13:39:21,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-10-13 13:39:21,856 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:39:21,856 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:39:21,866 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-10-13 13:39:22,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-10-13 13:39:22,057 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:39:22,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:39:22,057 INFO L85 PathProgramCache]: Analyzing trace with hash 792839491, now seen corresponding path program 2 times [2024-10-13 13:39:22,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:39:22,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913993181] [2024-10-13 13:39:22,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:39:22,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:39:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:39:22,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1862020822] [2024-10-13 13:39:22,080 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:39:22,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:39:22,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:39:22,085 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:39:22,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-13 13:39:22,176 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 13:39:22,176 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:39:22,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-13 13:39:22,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:39:22,589 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 71 proven. 4 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-10-13 13:39:22,589 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:39:23,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:39:23,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913993181] [2024-10-13 13:39:23,393 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:39:23,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1862020822] [2024-10-13 13:39:23,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1862020822] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:39:23,397 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:39:23,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-13 13:39:23,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076444966] [2024-10-13 13:39:23,398 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:39:23,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 13:39:23,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:39:23,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 13:39:23,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-10-13 13:39:23,399 INFO L87 Difference]: Start difference. First operand 128 states and 133 transitions. Second operand has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-13 13:39:23,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:39:23,659 INFO L93 Difference]: Finished difference Result 128 states and 133 transitions. [2024-10-13 13:39:23,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 13:39:23,660 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 119 [2024-10-13 13:39:23,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:39:23,660 INFO L225 Difference]: With dead ends: 128 [2024-10-13 13:39:23,660 INFO L226 Difference]: Without dead ends: 127 [2024-10-13 13:39:23,661 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:39:23,661 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 33 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:39:23,662 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 53 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:39:23,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-10-13 13:39:23,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2024-10-13 13:39:23,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 114 states have (on average 1.0350877192982457) internal successors, (118), 117 states have internal predecessors, (118), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-13 13:39:23,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 132 transitions. [2024-10-13 13:39:23,668 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 132 transitions. Word has length 119 [2024-10-13 13:39:23,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:39:23,668 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 132 transitions. [2024-10-13 13:39:23,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-13 13:39:23,668 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 132 transitions. [2024-10-13 13:39:23,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-10-13 13:39:23,669 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:39:23,669 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:39:23,676 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-10-13 13:39:23,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-10-13 13:39:23,870 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:39:23,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:39:23,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1456172344, now seen corresponding path program 2 times [2024-10-13 13:39:23,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:39:23,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394098323] [2024-10-13 13:39:23,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:39:23,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:39:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:39:23,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [132515163] [2024-10-13 13:39:23,891 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:39:23,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:39:23,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:39:23,893 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:39:23,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-13 13:39:23,990 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 13:39:23,990 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:39:23,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-10-13 13:39:24,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:39:25,185 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 9 proven. 165 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-13 13:39:25,185 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:39:26,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:39:26,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394098323] [2024-10-13 13:39:26,430 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:39:26,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [132515163] [2024-10-13 13:39:26,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [132515163] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:39:26,430 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:39:26,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2024-10-13 13:39:26,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178394365] [2024-10-13 13:39:26,430 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:39:26,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-13 13:39:26,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:39:26,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-13 13:39:26,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=297, Unknown=0, NotChecked=0, Total=380 [2024-10-13 13:39:26,431 INFO L87 Difference]: Start difference. First operand 127 states and 132 transitions. Second operand has 17 states, 16 states have (on average 6.5) internal successors, (104), 17 states have internal predecessors, (104), 6 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 13:39:27,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:39:27,351 INFO L93 Difference]: Finished difference Result 147 states and 153 transitions. [2024-10-13 13:39:27,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-13 13:39:27,351 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.5) internal successors, (104), 17 states have internal predecessors, (104), 6 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) Word has length 122 [2024-10-13 13:39:27,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:39:27,352 INFO L225 Difference]: With dead ends: 147 [2024-10-13 13:39:27,352 INFO L226 Difference]: Without dead ends: 146 [2024-10-13 13:39:27,352 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 121 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=104, Invalid=402, Unknown=0, NotChecked=0, Total=506 [2024-10-13 13:39:27,352 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 63 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-13 13:39:27,352 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 307 Invalid, 917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-13 13:39:27,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-10-13 13:39:27,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 131. [2024-10-13 13:39:27,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 118 states have (on average 1.0338983050847457) internal successors, (122), 121 states have internal predecessors, (122), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-13 13:39:27,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 136 transitions. [2024-10-13 13:39:27,360 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 136 transitions. Word has length 122 [2024-10-13 13:39:27,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:39:27,360 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 136 transitions. [2024-10-13 13:39:27,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.5) internal successors, (104), 17 states have internal predecessors, (104), 6 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 13:39:27,360 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 136 transitions. [2024-10-13 13:39:27,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-10-13 13:39:27,361 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:39:27,361 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:39:27,367 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-10-13 13:39:27,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:39:27,565 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:39:27,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:39:27,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1544640984, now seen corresponding path program 2 times [2024-10-13 13:39:27,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:39:27,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468595535] [2024-10-13 13:39:27,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:39:27,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:39:27,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:39:27,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:39:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:39:27,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:39:27,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:39:27,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:39:27,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:39:27,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-13 13:39:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:39:27,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 13:39:27,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:39:27,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-13 13:39:27,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:39:27,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 13:39:27,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:39:27,644 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-10-13 13:39:27,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:39:27,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468595535] [2024-10-13 13:39:27,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468595535] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:39:27,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [126354788] [2024-10-13 13:39:27,645 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:39:27,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:39:27,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:39:27,646 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:39:27,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-13 13:39:27,693 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 13:39:27,693 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:39:27,694 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 13:39:27,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:39:27,767 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-10-13 13:39:27,767 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:39:27,865 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-10-13 13:39:27,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [126354788] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:39:27,865 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:39:27,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-10-13 13:39:27,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722062997] [2024-10-13 13:39:27,866 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:39:27,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:39:27,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:39:27,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:39:27,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-13 13:39:27,867 INFO L87 Difference]: Start difference. First operand 131 states and 136 transitions. Second operand has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-10-13 13:39:27,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:39:27,887 INFO L93 Difference]: Finished difference Result 131 states and 136 transitions. [2024-10-13 13:39:27,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:39:27,891 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 132 [2024-10-13 13:39:27,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:39:27,892 INFO L225 Difference]: With dead ends: 131 [2024-10-13 13:39:27,892 INFO L226 Difference]: Without dead ends: 130 [2024-10-13 13:39:27,892 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:39:27,892 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 37 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:39:27,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 88 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:39:27,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-10-13 13:39:27,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2024-10-13 13:39:27,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 118 states have (on average 1.0254237288135593) internal successors, (121), 120 states have internal predecessors, (121), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-13 13:39:27,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 135 transitions. [2024-10-13 13:39:27,901 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 135 transitions. Word has length 132 [2024-10-13 13:39:27,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:39:27,901 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 135 transitions. [2024-10-13 13:39:27,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-10-13 13:39:27,901 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 135 transitions. [2024-10-13 13:39:27,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-10-13 13:39:27,902 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:39:27,902 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:39:27,914 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-10-13 13:39:28,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:39:28,103 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:39:28,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:39:28,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1459026175, now seen corresponding path program 5 times [2024-10-13 13:39:28,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:39:28,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326175341] [2024-10-13 13:39:28,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:39:28,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:39:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:39:28,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1210757087] [2024-10-13 13:39:28,122 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-13 13:39:28,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:39:28,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:39:28,125 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:39:28,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-13 13:39:28,177 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-10-13 13:39:28,177 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:39:28,178 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-13 13:39:28,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:39:37,843 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-10-13 13:39:37,844 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:39:38,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:39:38,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326175341] [2024-10-13 13:39:38,419 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:39:38,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1210757087] [2024-10-13 13:39:38,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1210757087] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:39:38,420 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:39:38,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-10-13 13:39:38,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031049581] [2024-10-13 13:39:38,420 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:39:38,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-13 13:39:38,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:39:38,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-13 13:39:38,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=165, Unknown=3, NotChecked=0, Total=240 [2024-10-13 13:39:38,421 INFO L87 Difference]: Start difference. First operand 130 states and 135 transitions. Second operand has 14 states, 13 states have (on average 9.076923076923077) internal successors, (118), 14 states have internal predecessors, (118), 7 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-13 13:39:48,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-13 13:39:55,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-13 13:39:59,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-13 13:40:03,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-13 13:40:07,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-13 13:40:11,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-13 13:40:15,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-13 13:40:19,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]