./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench/sqrt1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench/sqrt1.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 2e9a55aa09745869b0a9fde4bfd60677a92d95b382e86fe0cc8216fa5e9e75d1 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:59:17,983 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:59:18,033 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 18:59:18,036 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:59:18,037 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:59:18,059 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:59:18,059 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:59:18,060 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:59:18,060 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:59:18,061 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:59:18,062 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:59:18,062 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:59:18,063 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:59:18,065 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:59:18,065 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:59:18,066 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:59:18,066 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 18:59:18,066 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 18:59:18,066 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:59:18,066 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 18:59:18,067 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:59:18,070 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 18:59:18,070 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:59:18,070 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 18:59:18,071 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:59:18,071 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 18:59:18,071 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:59:18,071 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 18:59:18,071 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 18:59:18,071 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:59:18,072 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:59:18,072 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:59:18,072 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:59:18,072 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:59:18,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:59:18,072 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:59:18,072 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:59:18,072 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 18:59:18,073 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:59:18,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:59:18,073 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:59:18,073 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:59:18,073 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:59:18,073 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:59:18,073 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e9a55aa09745869b0a9fde4bfd60677a92d95b382e86fe0cc8216fa5e9e75d1 [2024-11-10 18:59:18,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:59:18,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:59:18,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:59:18,291 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:59:18,291 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:59:18,291 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/sqrt1.c [2024-11-10 18:59:19,414 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:59:19,573 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:59:19,574 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/sqrt1.c [2024-11-10 18:59:19,579 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aed547cf6/660ae4e832d8418c87090e5ddf11c1b1/FLAG383d18b51 [2024-11-10 18:59:19,986 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aed547cf6/660ae4e832d8418c87090e5ddf11c1b1 [2024-11-10 18:59:19,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:59:19,989 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:59:19,990 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:59:19,990 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:59:19,993 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:59:19,994 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:59:19" (1/1) ... [2024-11-10 18:59:19,994 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19f582f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:59:19, skipping insertion in model container [2024-11-10 18:59:19,994 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:59:19" (1/1) ... [2024-11-10 18:59:20,016 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:59:20,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:59:20,183 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:59:20,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:59:20,219 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:59:20,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:59:20 WrapperNode [2024-11-10 18:59:20,219 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:59:20,220 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:59:20,220 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:59:20,220 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:59:20,225 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:59:20" (1/1) ... [2024-11-10 18:59:20,230 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:59:20" (1/1) ... [2024-11-10 18:59:20,243 INFO L138 Inliner]: procedures = 14, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 100 [2024-11-10 18:59:20,243 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:59:20,244 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:59:20,244 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:59:20,244 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:59:20,251 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:59:20" (1/1) ... [2024-11-10 18:59:20,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:59:20" (1/1) ... [2024-11-10 18:59:20,253 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:59:20" (1/1) ... [2024-11-10 18:59:20,261 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2024-11-10 18:59:20,265 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:59:20" (1/1) ... [2024-11-10 18:59:20,265 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:59:20" (1/1) ... [2024-11-10 18:59:20,267 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:59:20" (1/1) ... [2024-11-10 18:59:20,267 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:59:20" (1/1) ... [2024-11-10 18:59:20,268 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:59:20" (1/1) ... [2024-11-10 18:59:20,269 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:59:20" (1/1) ... [2024-11-10 18:59:20,273 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:59:20,274 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:59:20,274 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:59:20,274 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:59:20,275 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:59:20" (1/1) ... [2024-11-10 18:59:20,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:59:20,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:59:20,307 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 18:59:20,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 18:59:20,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 18:59:20,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 18:59:20,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 18:59:20,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:59:20,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:59:20,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 18:59:20,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 18:59:20,394 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:59:20,396 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:59:20,685 INFO L? ?]: Removed 65 outVars from TransFormulas that were not future-live. [2024-11-10 18:59:20,686 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:59:20,705 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:59:20,705 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:59:20,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:59:20 BoogieIcfgContainer [2024-11-10 18:59:20,706 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:59:20,707 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:59:20,708 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:59:20,711 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:59:20,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:59:19" (1/3) ... [2024-11-10 18:59:20,712 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@669e130e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:59:20, skipping insertion in model container [2024-11-10 18:59:20,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:59:20" (2/3) ... [2024-11-10 18:59:20,713 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@669e130e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:59:20, skipping insertion in model container [2024-11-10 18:59:20,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:59:20" (3/3) ... [2024-11-10 18:59:20,714 INFO L112 eAbstractionObserver]: Analyzing ICFG sqrt1.c [2024-11-10 18:59:20,727 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:59:20,728 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 50 error locations. [2024-11-10 18:59:20,784 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:59:20,793 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;@7e27f17b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:59:20,793 INFO L334 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2024-11-10 18:59:20,796 INFO L276 IsEmpty]: Start isEmpty. Operand has 124 states, 66 states have (on average 1.8181818181818181) internal successors, (120), 116 states have internal predecessors, (120), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-10 18:59:20,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-10 18:59:20,800 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:20,800 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-10 18:59:20,801 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 18:59:20,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:20,804 INFO L85 PathProgramCache]: Analyzing trace with hash 4585724, now seen corresponding path program 1 times [2024-11-10 18:59:20,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:20,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490827201] [2024-11-10 18:59:20,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:20,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:20,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:20,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:59:20,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:20,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490827201] [2024-11-10 18:59:20,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490827201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:59:20,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:59:20,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:59:20,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740942114] [2024-11-10 18:59:20,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:59:20,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 18:59:20,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:20,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 18:59:20,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 18:59:20,938 INFO L87 Difference]: Start difference. First operand has 124 states, 66 states have (on average 1.8181818181818181) internal successors, (120), 116 states have internal predecessors, (120), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:59:20,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:20,961 INFO L93 Difference]: Finished difference Result 241 states and 267 transitions. [2024-11-10 18:59:20,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 18:59:20,963 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-10 18:59:20,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:20,969 INFO L225 Difference]: With dead ends: 241 [2024-11-10 18:59:20,969 INFO L226 Difference]: Without dead ends: 113 [2024-11-10 18:59:20,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 18:59:20,974 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:20,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:59:20,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-10 18:59:21,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-11-10 18:59:21,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 61 states have (on average 1.7540983606557377) internal successors, (107), 106 states have internal predecessors, (107), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 18:59:21,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 117 transitions. [2024-11-10 18:59:21,004 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 117 transitions. Word has length 4 [2024-11-10 18:59:21,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:21,005 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 117 transitions. [2024-11-10 18:59:21,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:59:21,005 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 117 transitions. [2024-11-10 18:59:21,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-10 18:59:21,006 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:21,006 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-10 18:59:21,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 18:59:21,006 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 18:59:21,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:21,007 INFO L85 PathProgramCache]: Analyzing trace with hash 142158642, now seen corresponding path program 1 times [2024-11-10 18:59:21,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:21,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844704317] [2024-11-10 18:59:21,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:21,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:21,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:21,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:59:21,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:21,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844704317] [2024-11-10 18:59:21,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844704317] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:59:21,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:59:21,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:59:21,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393504396] [2024-11-10 18:59:21,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:59:21,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:59:21,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:21,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:59:21,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:59:21,062 INFO L87 Difference]: Start difference. First operand 113 states and 117 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:59:21,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:21,192 INFO L93 Difference]: Finished difference Result 210 states and 219 transitions. [2024-11-10 18:59:21,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:59:21,192 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-10 18:59:21,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:21,194 INFO L225 Difference]: With dead ends: 210 [2024-11-10 18:59:21,194 INFO L226 Difference]: Without dead ends: 190 [2024-11-10 18:59:21,195 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:59:21,195 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 69 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:21,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 167 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:59:21,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2024-11-10 18:59:21,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 154. [2024-11-10 18:59:21,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 98 states have (on average 1.5918367346938775) internal successors, (156), 143 states have internal predecessors, (156), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-10 18:59:21,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 174 transitions. [2024-11-10 18:59:21,214 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 174 transitions. Word has length 5 [2024-11-10 18:59:21,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:21,214 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 174 transitions. [2024-11-10 18:59:21,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:59:21,217 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 174 transitions. [2024-11-10 18:59:21,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-10 18:59:21,218 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:21,218 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] [2024-11-10 18:59:21,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 18:59:21,218 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 18:59:21,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:21,219 INFO L85 PathProgramCache]: Analyzing trace with hash 686277052, now seen corresponding path program 1 times [2024-11-10 18:59:21,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:21,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308622818] [2024-11-10 18:59:21,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:21,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:21,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:59:21,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1940254261] [2024-11-10 18:59:21,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:21,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:21,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:59:21,255 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:59:21,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 18:59:21,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:21,295 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:59:21,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:59:21,343 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:59:21,343 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:59:21,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:21,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308622818] [2024-11-10 18:59:21,344 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:59:21,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1940254261] [2024-11-10 18:59:21,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1940254261] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:59:21,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:59:21,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:59:21,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726763333] [2024-11-10 18:59:21,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:59:21,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:59:21,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:21,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:59:21,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:59:21,347 INFO L87 Difference]: Start difference. First operand 154 states and 174 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 18:59:21,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:21,449 INFO L93 Difference]: Finished difference Result 183 states and 204 transitions. [2024-11-10 18:59:21,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:59:21,450 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 26 [2024-11-10 18:59:21,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:21,451 INFO L225 Difference]: With dead ends: 183 [2024-11-10 18:59:21,451 INFO L226 Difference]: Without dead ends: 175 [2024-11-10 18:59:21,451 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:59:21,452 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 43 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:21,453 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 152 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:59:21,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-10 18:59:21,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 166. [2024-11-10 18:59:21,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 109 states have (on average 1.5412844036697249) internal successors, (168), 154 states have internal predecessors, (168), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 18:59:21,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 188 transitions. [2024-11-10 18:59:21,462 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 188 transitions. Word has length 26 [2024-11-10 18:59:21,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:21,462 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 188 transitions. [2024-11-10 18:59:21,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 18:59:21,462 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 188 transitions. [2024-11-10 18:59:21,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-10 18:59:21,463 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:21,463 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] [2024-11-10 18:59:21,479 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 18:59:21,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:21,664 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 18:59:21,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:21,666 INFO L85 PathProgramCache]: Analyzing trace with hash -200247812, now seen corresponding path program 1 times [2024-11-10 18:59:21,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:21,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234753219] [2024-11-10 18:59:21,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:21,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:21,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:21,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 18:59:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:21,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-10 18:59:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:21,761 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:59:21,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:21,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234753219] [2024-11-10 18:59:21,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234753219] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:59:21,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:59:21,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:59:21,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372264920] [2024-11-10 18:59:21,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:59:21,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:59:21,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:21,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:59:21,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:59:21,763 INFO L87 Difference]: Start difference. First operand 166 states and 188 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 18:59:21,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:21,844 INFO L93 Difference]: Finished difference Result 184 states and 201 transitions. [2024-11-10 18:59:21,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:59:21,845 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 27 [2024-11-10 18:59:21,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:21,847 INFO L225 Difference]: With dead ends: 184 [2024-11-10 18:59:21,847 INFO L226 Difference]: Without dead ends: 174 [2024-11-10 18:59:21,847 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:59:21,848 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 41 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:21,849 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 167 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:59:21,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-11-10 18:59:21,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 169. [2024-11-10 18:59:21,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 112 states have (on average 1.4642857142857142) internal successors, (164), 157 states have internal predecessors, (164), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 18:59:21,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 184 transitions. [2024-11-10 18:59:21,856 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 184 transitions. Word has length 27 [2024-11-10 18:59:21,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:21,857 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 184 transitions. [2024-11-10 18:59:21,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 18:59:21,857 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 184 transitions. [2024-11-10 18:59:21,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-10 18:59:21,858 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:21,858 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:59:21,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 18:59:21,858 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 18:59:21,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:21,858 INFO L85 PathProgramCache]: Analyzing trace with hash 127060408, now seen corresponding path program 1 times [2024-11-10 18:59:21,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:21,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577675902] [2024-11-10 18:59:21,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:21,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:21,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:21,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 18:59:21,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:21,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-10 18:59:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:21,964 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:59:21,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:21,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577675902] [2024-11-10 18:59:21,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577675902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:59:21,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:59:21,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:59:21,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686575162] [2024-11-10 18:59:21,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:59:21,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:59:21,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:21,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:59:21,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:59:21,966 INFO L87 Difference]: Start difference. First operand 169 states and 184 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 18:59:22,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:22,086 INFO L93 Difference]: Finished difference Result 176 states and 191 transitions. [2024-11-10 18:59:22,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:59:22,087 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2024-11-10 18:59:22,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:22,087 INFO L225 Difference]: With dead ends: 176 [2024-11-10 18:59:22,088 INFO L226 Difference]: Without dead ends: 174 [2024-11-10 18:59:22,088 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:59:22,089 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 51 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:22,089 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 217 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:59:22,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-11-10 18:59:22,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 169. [2024-11-10 18:59:22,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 112 states have (on average 1.4464285714285714) internal successors, (162), 157 states have internal predecessors, (162), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 18:59:22,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 182 transitions. [2024-11-10 18:59:22,103 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 182 transitions. Word has length 30 [2024-11-10 18:59:22,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:22,103 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 182 transitions. [2024-11-10 18:59:22,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 18:59:22,104 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 182 transitions. [2024-11-10 18:59:22,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-10 18:59:22,104 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:22,104 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:59:22,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 18:59:22,104 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 18:59:22,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:22,105 INFO L85 PathProgramCache]: Analyzing trace with hash 155038132, now seen corresponding path program 1 times [2024-11-10 18:59:22,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:22,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962110480] [2024-11-10 18:59:22,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:22,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:22,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:22,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 18:59:22,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:22,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-10 18:59:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:22,210 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:59:22,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:22,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962110480] [2024-11-10 18:59:22,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962110480] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:59:22,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:59:22,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:59:22,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319908127] [2024-11-10 18:59:22,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:59:22,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:59:22,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:22,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:59:22,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:59:22,211 INFO L87 Difference]: Start difference. First operand 169 states and 182 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 18:59:22,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:22,287 INFO L93 Difference]: Finished difference Result 175 states and 184 transitions. [2024-11-10 18:59:22,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:59:22,287 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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 34 [2024-11-10 18:59:22,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:22,288 INFO L225 Difference]: With dead ends: 175 [2024-11-10 18:59:22,288 INFO L226 Difference]: Without dead ends: 147 [2024-11-10 18:59:22,289 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:59:22,290 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 31 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:22,290 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 148 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:59:22,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-11-10 18:59:22,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 146. [2024-11-10 18:59:22,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 91 states have (on average 1.5054945054945055) internal successors, (137), 136 states have internal predecessors, (137), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 18:59:22,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 153 transitions. [2024-11-10 18:59:22,299 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 153 transitions. Word has length 34 [2024-11-10 18:59:22,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:22,300 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 153 transitions. [2024-11-10 18:59:22,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 18:59:22,300 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 153 transitions. [2024-11-10 18:59:22,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-10 18:59:22,302 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:22,302 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:59:22,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 18:59:22,302 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 18:59:22,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:22,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1271535404, now seen corresponding path program 1 times [2024-11-10 18:59:22,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:22,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963467538] [2024-11-10 18:59:22,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:22,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:22,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:22,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 18:59:22,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:22,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-10 18:59:22,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:22,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 18:59:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:22,405 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 18:59:22,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:22,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963467538] [2024-11-10 18:59:22,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963467538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:59:22,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:59:22,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:59:22,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145803966] [2024-11-10 18:59:22,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:59:22,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:59:22,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:22,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:59:22,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:59:22,411 INFO L87 Difference]: Start difference. First operand 146 states and 153 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 18:59:22,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:22,509 INFO L93 Difference]: Finished difference Result 151 states and 159 transitions. [2024-11-10 18:59:22,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:59:22,510 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2024-11-10 18:59:22,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:22,510 INFO L225 Difference]: With dead ends: 151 [2024-11-10 18:59:22,510 INFO L226 Difference]: Without dead ends: 150 [2024-11-10 18:59:22,511 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:59:22,512 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 2 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:22,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 212 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:59:22,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-11-10 18:59:22,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 148. [2024-11-10 18:59:22,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 93 states have (on average 1.4946236559139785) internal successors, (139), 138 states have internal predecessors, (139), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 18:59:22,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 155 transitions. [2024-11-10 18:59:22,516 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 155 transitions. Word has length 49 [2024-11-10 18:59:22,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:22,517 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 155 transitions. [2024-11-10 18:59:22,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 18:59:22,517 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 155 transitions. [2024-11-10 18:59:22,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-10 18:59:22,517 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:22,518 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:59:22,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 18:59:22,518 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 18:59:22,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:22,518 INFO L85 PathProgramCache]: Analyzing trace with hash -762891839, now seen corresponding path program 1 times [2024-11-10 18:59:22,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:22,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524679365] [2024-11-10 18:59:22,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:22,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:22,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:22,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 18:59:22,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:22,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-10 18:59:22,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:22,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 18:59:22,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:22,605 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 18:59:22,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:22,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524679365] [2024-11-10 18:59:22,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524679365] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:59:22,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:59:22,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:59:22,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775825431] [2024-11-10 18:59:22,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:59:22,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:59:22,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:22,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:59:22,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:59:22,607 INFO L87 Difference]: Start difference. First operand 148 states and 155 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 18:59:22,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:22,678 INFO L93 Difference]: Finished difference Result 151 states and 158 transitions. [2024-11-10 18:59:22,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:59:22,679 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 50 [2024-11-10 18:59:22,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:22,682 INFO L225 Difference]: With dead ends: 151 [2024-11-10 18:59:22,682 INFO L226 Difference]: Without dead ends: 150 [2024-11-10 18:59:22,683 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:59:22,684 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 1 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:22,685 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 157 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:59:22,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-11-10 18:59:22,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 149. [2024-11-10 18:59:22,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 94 states have (on average 1.4893617021276595) internal successors, (140), 139 states have internal predecessors, (140), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 18:59:22,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 156 transitions. [2024-11-10 18:59:22,692 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 156 transitions. Word has length 50 [2024-11-10 18:59:22,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:22,693 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 156 transitions. [2024-11-10 18:59:22,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 18:59:22,693 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 156 transitions. [2024-11-10 18:59:22,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-10 18:59:22,695 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:22,695 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:59:22,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 18:59:22,696 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 18:59:22,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:22,697 INFO L85 PathProgramCache]: Analyzing trace with hash -198128096, now seen corresponding path program 1 times [2024-11-10 18:59:22,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:22,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471606760] [2024-11-10 18:59:22,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:22,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:22,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:22,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 18:59:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:22,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-10 18:59:22,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:22,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 18:59:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:22,788 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 18:59:22,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:22,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471606760] [2024-11-10 18:59:22,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471606760] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:59:22,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862837611] [2024-11-10 18:59:22,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:22,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:22,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:59:22,791 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:59:22,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 18:59:22,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:22,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:59:22,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:59:22,922 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 18:59:22,923 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:59:22,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862837611] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:59:22,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:59:22,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-10 18:59:22,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060056761] [2024-11-10 18:59:22,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:59:22,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:59:22,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:22,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:59:22,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:59:22,925 INFO L87 Difference]: Start difference. First operand 149 states and 156 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 18:59:22,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:22,994 INFO L93 Difference]: Finished difference Result 149 states and 156 transitions. [2024-11-10 18:59:22,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:59:22,994 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 54 [2024-11-10 18:59:22,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:22,995 INFO L225 Difference]: With dead ends: 149 [2024-11-10 18:59:22,995 INFO L226 Difference]: Without dead ends: 140 [2024-11-10 18:59:22,995 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:59:22,996 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 73 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:22,996 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 134 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:59:22,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-10 18:59:23,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2024-11-10 18:59:23,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 94 states have (on average 1.3936170212765957) internal successors, (131), 130 states have internal predecessors, (131), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 18:59:23,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 147 transitions. [2024-11-10 18:59:23,006 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 147 transitions. Word has length 54 [2024-11-10 18:59:23,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:23,006 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 147 transitions. [2024-11-10 18:59:23,006 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 18:59:23,006 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 147 transitions. [2024-11-10 18:59:23,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-10 18:59:23,007 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:23,007 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:59:23,019 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 18:59:23,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-10 18:59:23,212 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 18:59:23,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:23,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1847003600, now seen corresponding path program 1 times [2024-11-10 18:59:23,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:23,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304198906] [2024-11-10 18:59:23,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:23,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:23,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:23,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 18:59:23,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:23,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-10 18:59:23,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:23,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 18:59:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:23,268 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 18:59:23,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:23,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304198906] [2024-11-10 18:59:23,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304198906] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:59:23,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2136288238] [2024-11-10 18:59:23,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:23,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:23,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:59:23,272 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:59:23,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 18:59:23,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:23,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:59:23,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:59:23,356 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 18:59:23,356 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:59:23,422 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 18:59:23,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2136288238] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:59:23,423 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:59:23,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-10 18:59:23,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158857572] [2024-11-10 18:59:23,424 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:59:23,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 18:59:23,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:23,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 18:59:23,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:59:23,425 INFO L87 Difference]: Start difference. First operand 140 states and 147 transitions. Second operand has 7 states, 6 states have (on average 18.5) internal successors, (111), 7 states have internal predecessors, (111), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-10 18:59:23,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:23,532 INFO L93 Difference]: Finished difference Result 241 states and 270 transitions. [2024-11-10 18:59:23,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:59:23,533 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 18.5) internal successors, (111), 7 states have internal predecessors, (111), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 55 [2024-11-10 18:59:23,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:23,534 INFO L225 Difference]: With dead ends: 241 [2024-11-10 18:59:23,534 INFO L226 Difference]: Without dead ends: 232 [2024-11-10 18:59:23,534 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:59:23,534 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 134 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:23,535 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 240 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:59:23,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-10 18:59:23,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 131. [2024-11-10 18:59:23,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 94 states have (on average 1.297872340425532) internal successors, (122), 121 states have internal predecessors, (122), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 18:59:23,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 138 transitions. [2024-11-10 18:59:23,539 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 138 transitions. Word has length 55 [2024-11-10 18:59:23,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:23,540 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 138 transitions. [2024-11-10 18:59:23,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 18.5) internal successors, (111), 7 states have internal predecessors, (111), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-10 18:59:23,540 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 138 transitions. [2024-11-10 18:59:23,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-10 18:59:23,540 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:23,541 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:59:23,552 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 18:59:23,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:23,743 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 18:59:23,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:23,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1329241410, now seen corresponding path program 1 times [2024-11-10 18:59:23,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:23,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315289052] [2024-11-10 18:59:23,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:23,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:23,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:59:23,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1173747352] [2024-11-10 18:59:23,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:23,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:23,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:59:23,761 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:59:23,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 18:59:23,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:23,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:59:23,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:59:23,857 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 18:59:23,858 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:59:23,976 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 18:59:23,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:23,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315289052] [2024-11-10 18:59:23,976 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:59:23,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173747352] [2024-11-10 18:59:23,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1173747352] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:59:23,977 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 18:59:23,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-10 18:59:23,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168450499] [2024-11-10 18:59:23,977 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 18:59:23,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:59:23,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:23,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:59:23,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:59:23,978 INFO L87 Difference]: Start difference. First operand 131 states and 138 transitions. Second operand has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-10 18:59:24,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:24,119 INFO L93 Difference]: Finished difference Result 320 states and 342 transitions. [2024-11-10 18:59:24,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:59:24,119 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 68 [2024-11-10 18:59:24,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:24,121 INFO L225 Difference]: With dead ends: 320 [2024-11-10 18:59:24,121 INFO L226 Difference]: Without dead ends: 318 [2024-11-10 18:59:24,121 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:59:24,121 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 346 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:24,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 310 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:59:24,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-11-10 18:59:24,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 218. [2024-11-10 18:59:24,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 175 states have (on average 1.3371428571428572) internal successors, (234), 201 states have internal predecessors, (234), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-10 18:59:24,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 264 transitions. [2024-11-10 18:59:24,132 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 264 transitions. Word has length 68 [2024-11-10 18:59:24,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:24,133 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 264 transitions. [2024-11-10 18:59:24,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-10 18:59:24,133 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 264 transitions. [2024-11-10 18:59:24,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-10 18:59:24,134 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:24,134 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:59:24,146 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-10 18:59:24,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:24,335 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 18:59:24,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:24,335 INFO L85 PathProgramCache]: Analyzing trace with hash 905764750, now seen corresponding path program 1 times [2024-11-10 18:59:24,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:24,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129505928] [2024-11-10 18:59:24,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:24,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:24,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:59:24,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1499188098] [2024-11-10 18:59:24,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:24,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:24,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:59:24,346 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:59:24,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 18:59:24,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:24,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:59:24,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:59:24,441 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 18:59:24,441 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:59:24,542 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 18:59:24,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:24,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129505928] [2024-11-10 18:59:24,542 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:59:24,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1499188098] [2024-11-10 18:59:24,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1499188098] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:59:24,543 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 18:59:24,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-10 18:59:24,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122433010] [2024-11-10 18:59:24,543 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 18:59:24,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:59:24,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:24,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:59:24,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:59:24,544 INFO L87 Difference]: Start difference. First operand 218 states and 264 transitions. Second operand has 6 states, 5 states have (on average 20.4) internal successors, (102), 6 states have internal predecessors, (102), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-10 18:59:24,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:24,736 INFO L93 Difference]: Finished difference Result 278 states and 341 transitions. [2024-11-10 18:59:24,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:59:24,737 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.4) internal successors, (102), 6 states have internal predecessors, (102), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 75 [2024-11-10 18:59:24,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:24,738 INFO L225 Difference]: With dead ends: 278 [2024-11-10 18:59:24,738 INFO L226 Difference]: Without dead ends: 270 [2024-11-10 18:59:24,738 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:59:24,738 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 158 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:24,738 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 234 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:59:24,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-11-10 18:59:24,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 214. [2024-11-10 18:59:24,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 177 states have (on average 1.2372881355932204) internal successors, (219), 196 states have internal predecessors, (219), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-10 18:59:24,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 251 transitions. [2024-11-10 18:59:24,747 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 251 transitions. Word has length 75 [2024-11-10 18:59:24,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:24,748 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 251 transitions. [2024-11-10 18:59:24,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.4) internal successors, (102), 6 states have internal predecessors, (102), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-10 18:59:24,748 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 251 transitions. [2024-11-10 18:59:24,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-10 18:59:24,748 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:24,749 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:59:24,762 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-10 18:59:24,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-10 18:59:24,950 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 18:59:24,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:24,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1986063766, now seen corresponding path program 1 times [2024-11-10 18:59:24,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:24,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939323137] [2024-11-10 18:59:24,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:24,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:24,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:25,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 18:59:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:25,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-10 18:59:25,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:25,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 18:59:25,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:25,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 18:59:25,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:25,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 18:59:25,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:25,017 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 18:59:25,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:25,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939323137] [2024-11-10 18:59:25,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939323137] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:59:25,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [878324328] [2024-11-10 18:59:25,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:25,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:25,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:59:25,019 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:59:25,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 18:59:25,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:25,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:59:25,055 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:59:25,191 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 18:59:25,191 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:59:25,281 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 18:59:25,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [878324328] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:59:25,281 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:59:25,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-10 18:59:25,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726476639] [2024-11-10 18:59:25,281 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:59:25,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 18:59:25,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:25,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 18:59:25,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-10 18:59:25,283 INFO L87 Difference]: Start difference. First operand 214 states and 251 transitions. Second operand has 10 states, 9 states have (on average 15.444444444444445) internal successors, (139), 10 states have internal predecessors, (139), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-10 18:59:25,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:25,448 INFO L93 Difference]: Finished difference Result 214 states and 251 transitions. [2024-11-10 18:59:25,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:59:25,449 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 15.444444444444445) internal successors, (139), 10 states have internal predecessors, (139), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 76 [2024-11-10 18:59:25,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:25,450 INFO L225 Difference]: With dead ends: 214 [2024-11-10 18:59:25,450 INFO L226 Difference]: Without dead ends: 211 [2024-11-10 18:59:25,450 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-11-10 18:59:25,451 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 119 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:25,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 219 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:59:25,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2024-11-10 18:59:25,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2024-11-10 18:59:25,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 177 states have (on average 1.1977401129943503) internal successors, (212), 193 states have internal predecessors, (212), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-10 18:59:25,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 244 transitions. [2024-11-10 18:59:25,458 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 244 transitions. Word has length 76 [2024-11-10 18:59:25,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:25,458 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 244 transitions. [2024-11-10 18:59:25,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 15.444444444444445) internal successors, (139), 10 states have internal predecessors, (139), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-10 18:59:25,459 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 244 transitions. [2024-11-10 18:59:25,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-10 18:59:25,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:25,459 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:59:25,472 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-10 18:59:25,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:25,660 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 18:59:25,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:25,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1438434548, now seen corresponding path program 1 times [2024-11-10 18:59:25,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:25,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511410007] [2024-11-10 18:59:25,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:25,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:25,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:25,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 18:59:25,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:25,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-10 18:59:25,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:25,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 18:59:25,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:25,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 18:59:25,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:25,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 18:59:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:25,745 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 18:59:25,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:25,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511410007] [2024-11-10 18:59:25,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511410007] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:59:25,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2013900772] [2024-11-10 18:59:25,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:25,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:25,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:59:25,748 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:59:25,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 18:59:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:25,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:59:25,787 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:59:25,893 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 18:59:25,894 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:59:25,986 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 18:59:25,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2013900772] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:59:25,986 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:59:25,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-10 18:59:25,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037190345] [2024-11-10 18:59:25,987 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:59:25,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 18:59:25,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:25,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 18:59:25,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2024-11-10 18:59:25,988 INFO L87 Difference]: Start difference. First operand 211 states and 244 transitions. Second operand has 10 states, 9 states have (on average 15.666666666666666) internal successors, (141), 10 states have internal predecessors, (141), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-10 18:59:26,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:26,142 INFO L93 Difference]: Finished difference Result 237 states and 276 transitions. [2024-11-10 18:59:26,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 18:59:26,142 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 15.666666666666666) internal successors, (141), 10 states have internal predecessors, (141), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 77 [2024-11-10 18:59:26,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:26,143 INFO L225 Difference]: With dead ends: 237 [2024-11-10 18:59:26,143 INFO L226 Difference]: Without dead ends: 228 [2024-11-10 18:59:26,144 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=60, Invalid=72, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:59:26,144 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 164 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:26,144 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 176 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:59:26,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-10 18:59:26,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 204. [2024-11-10 18:59:26,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 177 states have (on average 1.1073446327683616) internal successors, (196), 186 states have internal predecessors, (196), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-10 18:59:26,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 228 transitions. [2024-11-10 18:59:26,151 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 228 transitions. Word has length 77 [2024-11-10 18:59:26,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:26,152 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 228 transitions. [2024-11-10 18:59:26,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 15.666666666666666) internal successors, (141), 10 states have internal predecessors, (141), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-10 18:59:26,152 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 228 transitions. [2024-11-10 18:59:26,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-10 18:59:26,153 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:26,153 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:59:26,165 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-10 18:59:26,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:26,354 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 18:59:26,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:26,354 INFO L85 PathProgramCache]: Analyzing trace with hash 643870346, now seen corresponding path program 1 times [2024-11-10 18:59:26,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:26,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868046689] [2024-11-10 18:59:26,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:26,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:26,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:26,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 18:59:26,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:26,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-10 18:59:26,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:26,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 18:59:26,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:26,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 18:59:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:26,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 18:59:26,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:26,428 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 18:59:26,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:26,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868046689] [2024-11-10 18:59:26,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868046689] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:59:26,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467105085] [2024-11-10 18:59:26,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:26,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:26,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:59:26,430 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:59:26,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 18:59:26,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:26,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 18:59:26,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:59:26,626 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 18:59:26,626 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:59:26,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [467105085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:59:26,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:59:26,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-10 18:59:26,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704602515] [2024-11-10 18:59:26,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:59:26,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:59:26,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:26,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:59:26,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-10 18:59:26,628 INFO L87 Difference]: Start difference. First operand 204 states and 228 transitions. Second operand has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 18:59:26,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:26,707 INFO L93 Difference]: Finished difference Result 204 states and 228 transitions. [2024-11-10 18:59:26,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:59:26,708 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), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 79 [2024-11-10 18:59:26,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:26,708 INFO L225 Difference]: With dead ends: 204 [2024-11-10 18:59:26,709 INFO L226 Difference]: Without dead ends: 174 [2024-11-10 18:59:26,709 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-10 18:59:26,709 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 38 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:26,709 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 129 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:59:26,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-11-10 18:59:26,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2024-11-10 18:59:26,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 155 states have (on average 1.032258064516129) internal successors, (160), 158 states have internal predecessors, (160), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-10 18:59:26,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 188 transitions. [2024-11-10 18:59:26,715 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 188 transitions. Word has length 79 [2024-11-10 18:59:26,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:26,716 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 188 transitions. [2024-11-10 18:59:26,716 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), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 18:59:26,716 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 188 transitions. [2024-11-10 18:59:26,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-10 18:59:26,717 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:26,717 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1] [2024-11-10 18:59:26,729 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-10 18:59:26,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-10 18:59:26,922 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 18:59:26,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:26,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1738254335, now seen corresponding path program 1 times [2024-11-10 18:59:26,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:26,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384644041] [2024-11-10 18:59:26,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:26,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:27,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 18:59:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:27,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-10 18:59:27,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:27,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 18:59:27,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:27,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 18:59:27,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:27,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 18:59:27,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:27,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 18:59:27,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:27,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 18:59:27,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:27,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 18:59:27,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:27,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 18:59:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:27,093 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 109 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-10 18:59:27,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:27,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384644041] [2024-11-10 18:59:27,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384644041] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:59:27,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580973213] [2024-11-10 18:59:27,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:27,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:27,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:59:27,098 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:59:27,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 18:59:27,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:27,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 18:59:27,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:59:27,453 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 109 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-10 18:59:27,454 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:59:27,673 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 109 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-10 18:59:27,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [580973213] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:59:27,674 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:59:27,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19 [2024-11-10 18:59:27,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447002936] [2024-11-10 18:59:27,674 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:59:27,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-10 18:59:27,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:27,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-10 18:59:27,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=236, Unknown=0, NotChecked=0, Total=380 [2024-11-10 18:59:27,676 INFO L87 Difference]: Start difference. First operand 174 states and 188 transitions. Second operand has 20 states, 19 states have (on average 16.31578947368421) internal successors, (310), 20 states have internal predecessors, (310), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-10 18:59:27,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:27,960 INFO L93 Difference]: Finished difference Result 271 states and 299 transitions. [2024-11-10 18:59:27,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 18:59:27,960 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 16.31578947368421) internal successors, (310), 20 states have internal predecessors, (310), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 148 [2024-11-10 18:59:27,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:27,963 INFO L225 Difference]: With dead ends: 271 [2024-11-10 18:59:27,964 INFO L226 Difference]: Without dead ends: 270 [2024-11-10 18:59:27,965 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=248, Invalid=402, Unknown=0, NotChecked=0, Total=650 [2024-11-10 18:59:27,965 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 16 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:27,965 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 307 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:59:27,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-11-10 18:59:27,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 268. [2024-11-10 18:59:27,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 242 states have (on average 1.0454545454545454) internal successors, (253), 245 states have internal predecessors, (253), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-10 18:59:27,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 295 transitions. [2024-11-10 18:59:27,976 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 295 transitions. Word has length 148 [2024-11-10 18:59:27,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:27,977 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 295 transitions. [2024-11-10 18:59:27,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 16.31578947368421) internal successors, (310), 20 states have internal predecessors, (310), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-10 18:59:27,977 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 295 transitions. [2024-11-10 18:59:27,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-10 18:59:27,979 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:27,979 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1] [2024-11-10 18:59:27,991 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-10 18:59:28,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-10 18:59:28,180 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 18:59:28,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:28,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1570778316, now seen corresponding path program 2 times [2024-11-10 18:59:28,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:28,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611119841] [2024-11-10 18:59:28,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:28,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:28,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:28,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 18:59:28,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:28,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-10 18:59:28,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:28,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 18:59:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:28,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 18:59:28,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:28,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 18:59:28,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:28,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 18:59:28,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:28,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 18:59:28,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:28,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 18:59:28,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:28,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 18:59:28,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:28,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 18:59:28,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:28,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 18:59:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:28,348 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-10 18:59:28,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:28,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611119841] [2024-11-10 18:59:28,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611119841] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:59:28,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1577749573] [2024-11-10 18:59:28,349 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:59:28,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:28,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:59:28,350 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:59:28,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-10 18:59:28,399 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:59:28,400 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:59:28,400 INFO L255 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 18:59:28,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:59:28,699 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-10 18:59:28,699 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:59:28,914 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-10 18:59:28,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1577749573] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:59:28,914 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:59:28,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-11-10 18:59:28,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632960297] [2024-11-10 18:59:28,915 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:59:28,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-10 18:59:28,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:28,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-10 18:59:28,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=297, Unknown=0, NotChecked=0, Total=462 [2024-11-10 18:59:28,916 INFO L87 Difference]: Start difference. First operand 268 states and 295 transitions. Second operand has 22 states, 21 states have (on average 16.428571428571427) internal successors, (345), 22 states have internal predecessors, (345), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) [2024-11-10 18:59:29,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:29,275 INFO L93 Difference]: Finished difference Result 292 states and 319 transitions. [2024-11-10 18:59:29,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 18:59:29,276 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 16.428571428571427) internal successors, (345), 22 states have internal predecessors, (345), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) Word has length 175 [2024-11-10 18:59:29,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:29,277 INFO L225 Difference]: With dead ends: 292 [2024-11-10 18:59:29,277 INFO L226 Difference]: Without dead ends: 291 [2024-11-10 18:59:29,277 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 358 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=319, Invalid=551, Unknown=0, NotChecked=0, Total=870 [2024-11-10 18:59:29,278 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 107 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:29,278 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 416 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 18:59:29,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-11-10 18:59:29,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 287. [2024-11-10 18:59:29,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 259 states have (on average 1.0386100386100385) internal successors, (269), 262 states have internal predecessors, (269), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 18:59:29,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 315 transitions. [2024-11-10 18:59:29,288 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 315 transitions. Word has length 175 [2024-11-10 18:59:29,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:29,288 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 315 transitions. [2024-11-10 18:59:29,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 16.428571428571427) internal successors, (345), 22 states have internal predecessors, (345), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) [2024-11-10 18:59:29,288 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 315 transitions. [2024-11-10 18:59:29,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-10 18:59:29,289 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:29,290 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1] [2024-11-10 18:59:29,302 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-10 18:59:29,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-10 18:59:29,490 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 18:59:29,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:29,491 INFO L85 PathProgramCache]: Analyzing trace with hash 322995796, now seen corresponding path program 2 times [2024-11-10 18:59:29,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:29,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933285454] [2024-11-10 18:59:29,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:29,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:29,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:59:29,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [757534331] [2024-11-10 18:59:29,517 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:59:29,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:29,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:59:29,519 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:59:29,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-10 18:59:29,577 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:59:29,577 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:59:29,578 INFO L255 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 18:59:29,580 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:59:29,730 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 0 proven. 274 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 18:59:29,730 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:59:30,003 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 0 proven. 274 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 18:59:30,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:30,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933285454] [2024-11-10 18:59:30,003 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:59:30,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [757534331] [2024-11-10 18:59:30,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [757534331] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:59:30,003 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 18:59:30,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-10 18:59:30,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946032113] [2024-11-10 18:59:30,003 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 18:59:30,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 18:59:30,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:30,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 18:59:30,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:59:30,005 INFO L87 Difference]: Start difference. First operand 287 states and 315 transitions. Second operand has 12 states, 11 states have (on average 27.454545454545453) internal successors, (302), 12 states have internal predecessors, (302), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2024-11-10 18:59:30,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:30,285 INFO L93 Difference]: Finished difference Result 404 states and 439 transitions. [2024-11-10 18:59:30,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 18:59:30,285 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 27.454545454545453) internal successors, (302), 12 states have internal predecessors, (302), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) Word has length 215 [2024-11-10 18:59:30,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:30,286 INFO L225 Difference]: With dead ends: 404 [2024-11-10 18:59:30,287 INFO L226 Difference]: Without dead ends: 403 [2024-11-10 18:59:30,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 432 GetRequests, 418 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2024-11-10 18:59:30,287 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 131 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 767 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:30,287 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 767 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:59:30,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2024-11-10 18:59:30,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 393. [2024-11-10 18:59:30,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 357 states have (on average 1.0392156862745099) internal successors, (371), 360 states have internal predecessors, (371), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-10 18:59:30,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 433 transitions. [2024-11-10 18:59:30,299 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 433 transitions. Word has length 215 [2024-11-10 18:59:30,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:30,299 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 433 transitions. [2024-11-10 18:59:30,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 27.454545454545453) internal successors, (302), 12 states have internal predecessors, (302), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2024-11-10 18:59:30,300 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 433 transitions. [2024-11-10 18:59:30,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-10 18:59:30,301 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:30,301 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1] [2024-11-10 18:59:30,313 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-10 18:59:30,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-10 18:59:30,502 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 18:59:30,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:30,502 INFO L85 PathProgramCache]: Analyzing trace with hash 302251580, now seen corresponding path program 2 times [2024-11-10 18:59:30,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:30,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630817346] [2024-11-10 18:59:30,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:30,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:30,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:59:30,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [842824759] [2024-11-10 18:59:30,518 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:59:30,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:30,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:59:30,519 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:59:30,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-10 18:59:30,575 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:59:30,575 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:59:30,576 INFO L255 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 18:59:30,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:59:30,721 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 286 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-10 18:59:30,721 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:59:30,965 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 286 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-10 18:59:30,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:30,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630817346] [2024-11-10 18:59:30,966 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:59:30,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [842824759] [2024-11-10 18:59:30,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [842824759] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:59:30,966 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 18:59:30,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-10 18:59:30,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346434706] [2024-11-10 18:59:30,966 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 18:59:30,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 18:59:30,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:30,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 18:59:30,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:59:30,967 INFO L87 Difference]: Start difference. First operand 393 states and 433 transitions. Second operand has 12 states, 11 states have (on average 27.818181818181817) internal successors, (306), 12 states have internal predecessors, (306), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) [2024-11-10 18:59:31,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:31,316 INFO L93 Difference]: Finished difference Result 399 states and 438 transitions. [2024-11-10 18:59:31,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 18:59:31,317 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 27.818181818181817) internal successors, (306), 12 states have internal predecessors, (306), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) Word has length 222 [2024-11-10 18:59:31,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:31,318 INFO L225 Difference]: With dead ends: 399 [2024-11-10 18:59:31,320 INFO L226 Difference]: Without dead ends: 398 [2024-11-10 18:59:31,320 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 446 GetRequests, 432 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2024-11-10 18:59:31,320 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 111 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 720 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:31,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 720 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 18:59:31,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2024-11-10 18:59:31,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 396. [2024-11-10 18:59:31,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 359 states have (on average 1.0250696378830084) internal successors, (368), 362 states have internal predecessors, (368), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-10 18:59:31,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 432 transitions. [2024-11-10 18:59:31,336 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 432 transitions. Word has length 222 [2024-11-10 18:59:31,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:31,336 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 432 transitions. [2024-11-10 18:59:31,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 27.818181818181817) internal successors, (306), 12 states have internal predecessors, (306), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) [2024-11-10 18:59:31,336 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 432 transitions. [2024-11-10 18:59:31,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2024-11-10 18:59:31,341 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:31,342 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 1, 1, 1] [2024-11-10 18:59:31,354 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-10 18:59:31,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:31,542 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 18:59:31,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:31,543 INFO L85 PathProgramCache]: Analyzing trace with hash -1304431487, now seen corresponding path program 2 times [2024-11-10 18:59:31,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:31,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873771487] [2024-11-10 18:59:31,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:31,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:31,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:31,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 18:59:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:31,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-10 18:59:31,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:31,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 18:59:31,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:31,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 18:59:31,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:31,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 18:59:31,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:31,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 18:59:31,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:31,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 18:59:31,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:31,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 18:59:31,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:31,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 18:59:31,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:31,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 18:59:31,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:31,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 18:59:31,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:31,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 18:59:31,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:31,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-10 18:59:31,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:31,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 18:59:31,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:31,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-10 18:59:31,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:31,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-10 18:59:31,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:31,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-10 18:59:31,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:32,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-10 18:59:32,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:32,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-11-10 18:59:32,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:32,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-10 18:59:32,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:32,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-11-10 18:59:32,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:32,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1611 backedges. 0 proven. 771 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-10 18:59:32,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:32,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873771487] [2024-11-10 18:59:32,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873771487] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:59:32,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581624112] [2024-11-10 18:59:32,015 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:59:32,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:32,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:59:32,019 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:59:32,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-10 18:59:32,096 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:59:32,097 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:59:32,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:59:32,101 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:59:32,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1611 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2024-11-10 18:59:32,200 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:59:32,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [581624112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:59:32,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:59:32,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [15] total 18 [2024-11-10 18:59:32,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034382205] [2024-11-10 18:59:32,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:59:32,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:59:32,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:32,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:59:32,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2024-11-10 18:59:32,202 INFO L87 Difference]: Start difference. First operand 396 states and 432 transitions. Second operand has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 18:59:32,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:32,242 INFO L93 Difference]: Finished difference Result 396 states and 432 transitions. [2024-11-10 18:59:32,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:59:32,242 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 344 [2024-11-10 18:59:32,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:32,244 INFO L225 Difference]: With dead ends: 396 [2024-11-10 18:59:32,244 INFO L226 Difference]: Without dead ends: 395 [2024-11-10 18:59:32,244 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 383 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2024-11-10 18:59:32,245 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 55 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:32,245 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 54 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:59:32,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2024-11-10 18:59:32,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 395. [2024-11-10 18:59:32,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 359 states have (on average 1.0139275766016713) internal successors, (364), 361 states have internal predecessors, (364), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-10 18:59:32,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 428 transitions. [2024-11-10 18:59:32,265 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 428 transitions. Word has length 344 [2024-11-10 18:59:32,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:32,266 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 428 transitions. [2024-11-10 18:59:32,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 18:59:32,266 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 428 transitions. [2024-11-10 18:59:32,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2024-11-10 18:59:32,270 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:32,271 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1] [2024-11-10 18:59:32,288 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-10 18:59:32,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2024-11-10 18:59:32,472 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 18:59:32,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:32,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1142505396, now seen corresponding path program 3 times [2024-11-10 18:59:32,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:32,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147515762] [2024-11-10 18:59:32,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:32,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:32,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:32,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 18:59:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:32,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-10 18:59:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:32,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 18:59:32,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:32,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 18:59:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:32,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 18:59:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:32,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 18:59:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:32,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 18:59:32,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:32,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 18:59:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:32,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 18:59:32,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:32,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 18:59:32,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:32,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 18:59:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:32,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 18:59:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:32,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-10 18:59:32,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:32,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 18:59:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:32,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-10 18:59:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:32,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-10 18:59:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:32,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-10 18:59:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:32,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-10 18:59:32,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:32,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-11-10 18:59:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:32,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-10 18:59:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:32,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-11-10 18:59:32,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:32,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-11-10 18:59:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:32,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2024-11-10 18:59:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:32,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1915 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 18:59:32,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:32,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147515762] [2024-11-10 18:59:32,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147515762] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:59:32,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092053959] [2024-11-10 18:59:32,911 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 18:59:32,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:32,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:59:32,912 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:59:32,914 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-10 18:59:32,954 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-10 18:59:32,954 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:59:32,954 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 18:59:32,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:59:33,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1915 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 1712 trivial. 0 not checked. [2024-11-10 18:59:33,272 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:59:33,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1092053959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:59:33,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:59:33,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [16] total 21 [2024-11-10 18:59:33,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141824500] [2024-11-10 18:59:33,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:59:33,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 18:59:33,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:33,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 18:59:33,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=385, Unknown=0, NotChecked=0, Total=462 [2024-11-10 18:59:33,274 INFO L87 Difference]: Start difference. First operand 395 states and 428 transitions. Second operand has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 18:59:34,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-10 18:59:39,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-10 18:59:41,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-10 18:59:45,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:45,417 INFO L93 Difference]: Finished difference Result 397 states and 430 transitions. [2024-11-10 18:59:45,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 18:59:45,417 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 371 [2024-11-10 18:59:45,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:45,419 INFO L225 Difference]: With dead ends: 397 [2024-11-10 18:59:45,419 INFO L226 Difference]: Without dead ends: 396 [2024-11-10 18:59:45,419 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 412 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=97, Invalid=553, Unknown=0, NotChecked=0, Total=650 [2024-11-10 18:59:45,420 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 85 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:45,420 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 46 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 164 Invalid, 1 Unknown, 0 Unchecked, 8.3s Time] [2024-11-10 18:59:45,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-11-10 18:59:45,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 394. [2024-11-10 18:59:45,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 359 states have (on average 1.0055710306406684) internal successors, (361), 360 states have internal predecessors, (361), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-10 18:59:45,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 425 transitions. [2024-11-10 18:59:45,441 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 425 transitions. Word has length 371 [2024-11-10 18:59:45,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:45,441 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 425 transitions. [2024-11-10 18:59:45,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 18:59:45,441 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 425 transitions. [2024-11-10 18:59:45,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2024-11-10 18:59:45,443 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:45,443 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1] [2024-11-10 18:59:45,456 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-10 18:59:45,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:45,647 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 18:59:45,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:45,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1701151852, now seen corresponding path program 3 times [2024-11-10 18:59:45,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:45,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582802830] [2024-11-10 18:59:45,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:45,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:59:45,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2094354696] [2024-11-10 18:59:45,682 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 18:59:45,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:45,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:59:45,684 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:59:45,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-10 18:59:45,735 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-10 18:59:45,736 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:59:45,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-10 18:59:45,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:59:45,976 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 475 proven. 0 refuted. 0 times theorem prover too weak. 3180 trivial. 0 not checked. [2024-11-10 18:59:45,977 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:59:45,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:45,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582802830] [2024-11-10 18:59:45,977 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:59:45,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2094354696] [2024-11-10 18:59:45,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2094354696] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:59:45,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:59:45,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 18:59:45,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497607554] [2024-11-10 18:59:45,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:59:45,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 18:59:45,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:45,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 18:59:45,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-10 18:59:45,979 INFO L87 Difference]: Start difference. First operand 394 states and 425 transitions. Second operand has 9 states, 8 states have (on average 9.125) internal successors, (73), 9 states have internal predecessors, (73), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-10 18:59:46,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:46,569 INFO L93 Difference]: Finished difference Result 394 states and 425 transitions. [2024-11-10 18:59:46,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 18:59:46,570 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.125) internal successors, (73), 9 states have internal predecessors, (73), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 509 [2024-11-10 18:59:46,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:46,573 INFO L225 Difference]: With dead ends: 394 [2024-11-10 18:59:46,573 INFO L226 Difference]: Without dead ends: 393 [2024-11-10 18:59:46,573 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 513 GetRequests, 501 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2024-11-10 18:59:46,574 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 139 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:46,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 56 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 18:59:46,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-11-10 18:59:46,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 393. [2024-11-10 18:59:46,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 359 states have (on average 1.0027855153203342) internal successors, (360), 359 states have internal predecessors, (360), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-10 18:59:46,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 424 transitions. [2024-11-10 18:59:46,628 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 424 transitions. Word has length 509 [2024-11-10 18:59:46,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:46,629 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 424 transitions. [2024-11-10 18:59:46,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.125) internal successors, (73), 9 states have internal predecessors, (73), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-10 18:59:46,630 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 424 transitions. [2024-11-10 18:59:46,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 517 [2024-11-10 18:59:46,632 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:46,632 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1] [2024-11-10 18:59:46,646 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-10 18:59:46,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:46,837 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 18:59:46,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:46,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1127767812, now seen corresponding path program 3 times [2024-11-10 18:59:46,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:46,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111223141] [2024-11-10 18:59:46,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:46,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:46,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:59:46,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1733753086] [2024-11-10 18:59:46,881 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 18:59:46,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:46,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:59:46,883 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:59:46,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-10 18:59:47,040 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-11-10 18:59:47,040 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:59:47,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-10 18:59:47,046 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:59:47,995 INFO L134 CoverageAnalysis]: Checked inductivity of 3809 backedges. 0 proven. 1825 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-10 18:59:47,996 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:59:48,751 INFO L134 CoverageAnalysis]: Checked inductivity of 3809 backedges. 0 proven. 1825 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-10 18:59:48,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:48,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111223141] [2024-11-10 18:59:48,752 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:59:48,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733753086] [2024-11-10 18:59:48,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1733753086] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:59:48,752 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 18:59:48,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 12] total 33 [2024-11-10 18:59:48,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896936719] [2024-11-10 18:59:48,752 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 18:59:48,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-10 18:59:48,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:48,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-10 18:59:48,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2024-11-10 18:59:48,755 INFO L87 Difference]: Start difference. First operand 393 states and 424 transitions. Second operand has 34 states, 33 states have (on average 21.636363636363637) internal successors, (714), 34 states have internal predecessors, (714), 22 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (64), 22 states have call predecessors, (64), 22 states have call successors, (64) [2024-11-10 18:59:51,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:51,143 INFO L93 Difference]: Finished difference Result 838 states and 916 transitions. [2024-11-10 18:59:51,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-10 18:59:51,144 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 21.636363636363637) internal successors, (714), 34 states have internal predecessors, (714), 22 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (64), 22 states have call predecessors, (64), 22 states have call successors, (64) Word has length 516 [2024-11-10 18:59:51,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:51,146 INFO L225 Difference]: With dead ends: 838 [2024-11-10 18:59:51,146 INFO L226 Difference]: Without dead ends: 837 [2024-11-10 18:59:51,147 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1040 GetRequests, 998 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=637, Invalid=1255, Unknown=0, NotChecked=0, Total=1892 [2024-11-10 18:59:51,147 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 207 mSDsluCounter, 1733 mSDsCounter, 0 mSdLazyCounter, 7152 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 1873 SdHoareTripleChecker+Invalid, 7164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 7152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:51,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 1873 Invalid, 7164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 7152 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-10 18:59:51,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2024-11-10 18:59:51,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 837. [2024-11-10 18:59:51,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 837 states, 767 states have (on average 1.001303780964798) internal successors, (768), 767 states have internal predecessors, (768), 68 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-10 18:59:51,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 904 transitions. [2024-11-10 18:59:51,187 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 904 transitions. Word has length 516 [2024-11-10 18:59:51,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:51,188 INFO L471 AbstractCegarLoop]: Abstraction has 837 states and 904 transitions. [2024-11-10 18:59:51,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 21.636363636363637) internal successors, (714), 34 states have internal predecessors, (714), 22 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (64), 22 states have call predecessors, (64), 22 states have call successors, (64) [2024-11-10 18:59:51,189 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 904 transitions. [2024-11-10 18:59:51,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1105 [2024-11-10 18:59:51,194 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:51,195 INFO L215 NwaCegarLoop]: trace histogram [68, 68, 68, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1] [2024-11-10 18:59:51,209 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-10 18:59:51,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-10 18:59:51,396 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 18:59:51,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:51,397 INFO L85 PathProgramCache]: Analyzing trace with hash -2078099844, now seen corresponding path program 4 times [2024-11-10 18:59:51,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:51,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111723052] [2024-11-10 18:59:51,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:51,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:51,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:59:51,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1264349823] [2024-11-10 18:59:51,558 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-10 18:59:51,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:51,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:59:51,560 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:59:51,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-10 18:59:51,754 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-10 18:59:51,754 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:59:51,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 1485 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-10 18:59:51,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:59:52,523 INFO L134 CoverageAnalysis]: Checked inductivity of 18011 backedges. 0 proven. 8899 refuted. 0 times theorem prover too weak. 9112 trivial. 0 not checked. [2024-11-10 18:59:52,523 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:59:54,089 INFO L134 CoverageAnalysis]: Checked inductivity of 18011 backedges. 0 proven. 8899 refuted. 0 times theorem prover too weak. 9112 trivial. 0 not checked. [2024-11-10 18:59:54,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:54,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111723052] [2024-11-10 18:59:54,090 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:59:54,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264349823] [2024-11-10 18:59:54,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264349823] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:59:54,090 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 18:59:54,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 47 [2024-11-10 18:59:54,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814773887] [2024-11-10 18:59:54,090 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 18:59:54,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-10 18:59:54,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:54,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-10 18:59:54,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=622, Invalid=1634, Unknown=0, NotChecked=0, Total=2256 [2024-11-10 18:59:54,094 INFO L87 Difference]: Start difference. First operand 837 states and 904 transitions. Second operand has 48 states, 47 states have (on average 32.5531914893617) internal successors, (1530), 48 states have internal predecessors, (1530), 46 states have call successors, (136), 1 states have call predecessors, (136), 1 states have return successors, (136), 46 states have call predecessors, (136), 46 states have call successors, (136) [2024-11-10 18:59:58,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:58,366 INFO L93 Difference]: Finished difference Result 1726 states and 1888 transitions. [2024-11-10 18:59:58,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-10 18:59:58,367 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 32.5531914893617) internal successors, (1530), 48 states have internal predecessors, (1530), 46 states have call successors, (136), 1 states have call predecessors, (136), 1 states have return successors, (136), 46 states have call predecessors, (136), 46 states have call successors, (136) Word has length 1104 [2024-11-10 18:59:58,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:58,372 INFO L225 Difference]: With dead ends: 1726 [2024-11-10 18:59:58,372 INFO L226 Difference]: Without dead ends: 1725 [2024-11-10 18:59:58,373 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2228 GetRequests, 2160 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1678, Invalid=3152, Unknown=0, NotChecked=0, Total=4830 [2024-11-10 18:59:58,374 INFO L432 NwaCegarLoop]: 558 mSDtfsCounter, 411 mSDsluCounter, 11270 mSDsCounter, 0 mSdLazyCounter, 10383 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 413 SdHoareTripleChecker+Valid, 11828 SdHoareTripleChecker+Invalid, 10407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 10383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:58,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [413 Valid, 11828 Invalid, 10407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 10383 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-10 18:59:58,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1725 states. [2024-11-10 18:59:58,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1725 to 1725. [2024-11-10 18:59:58,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1725 states, 1583 states have (on average 1.0006317119393557) internal successors, (1584), 1583 states have internal predecessors, (1584), 140 states have call successors, (140), 1 states have call predecessors, (140), 1 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-10 18:59:58,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1725 states to 1725 states and 1864 transitions. [2024-11-10 18:59:58,450 INFO L78 Accepts]: Start accepts. Automaton has 1725 states and 1864 transitions. Word has length 1104 [2024-11-10 18:59:58,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:58,452 INFO L471 AbstractCegarLoop]: Abstraction has 1725 states and 1864 transitions. [2024-11-10 18:59:58,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 32.5531914893617) internal successors, (1530), 48 states have internal predecessors, (1530), 46 states have call successors, (136), 1 states have call predecessors, (136), 1 states have return successors, (136), 46 states have call predecessors, (136), 46 states have call successors, (136) [2024-11-10 18:59:58,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1725 states and 1864 transitions. [2024-11-10 18:59:58,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2281 [2024-11-10 18:59:58,491 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:58,492 INFO L215 NwaCegarLoop]: trace histogram [140, 140, 140, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 1, 1, 1] [2024-11-10 18:59:58,507 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-10 18:59:58,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:58,693 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 18:59:58,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:58,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1367858820, now seen corresponding path program 5 times [2024-11-10 18:59:58,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:58,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225569702] [2024-11-10 18:59:58,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:58,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:59,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:59:59,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1322372417] [2024-11-10 18:59:59,039 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-10 18:59:59,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:59,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:59:59,040 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:59:59,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-10 19:00:04,512 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 58 check-sat command(s) [2024-11-10 19:00:04,513 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:00:04,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 3021 conjuncts, 95 conjuncts are in the unsatisfiable core [2024-11-10 19:00:04,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:06,536 INFO L134 CoverageAnalysis]: Checked inductivity of 77951 backedges. 0 proven. 39031 refuted. 0 times theorem prover too weak. 38920 trivial. 0 not checked. [2024-11-10 19:00:06,536 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:11,206 INFO L134 CoverageAnalysis]: Checked inductivity of 77951 backedges. 0 proven. 39031 refuted. 0 times theorem prover too weak. 38920 trivial. 0 not checked. [2024-11-10 19:00:11,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:11,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225569702] [2024-11-10 19:00:11,207 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:11,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1322372417] [2024-11-10 19:00:11,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1322372417] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:00:11,207 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:00:11,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48] total 95 [2024-11-10 19:00:11,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089155829] [2024-11-10 19:00:11,207 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:11,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-11-10 19:00:11,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:11,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-11-10 19:00:11,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2398, Invalid=6722, Unknown=0, NotChecked=0, Total=9120 [2024-11-10 19:00:11,215 INFO L87 Difference]: Start difference. First operand 1725 states and 1864 transitions. Second operand has 96 states, 95 states have (on average 33.28421052631579) internal successors, (3162), 96 states have internal predecessors, (3162), 94 states have call successors, (280), 1 states have call predecessors, (280), 1 states have return successors, (280), 94 states have call predecessors, (280), 94 states have call successors, (280) [2024-11-10 19:00:29,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:29,875 INFO L93 Difference]: Finished difference Result 3502 states and 3832 transitions. [2024-11-10 19:00:29,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-11-10 19:00:29,877 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 33.28421052631579) internal successors, (3162), 96 states have internal predecessors, (3162), 94 states have call successors, (280), 1 states have call predecessors, (280), 1 states have return successors, (280), 94 states have call predecessors, (280), 94 states have call successors, (280) Word has length 2280 [2024-11-10 19:00:29,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:29,886 INFO L225 Difference]: With dead ends: 3502 [2024-11-10 19:00:29,886 INFO L226 Difference]: Without dead ends: 3501 [2024-11-10 19:00:29,892 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4604 GetRequests, 4464 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1035 ImplicationChecksByTransitivity, 11.4s TimeCoverageRelationStatistics Valid=6814, Invalid=13208, Unknown=0, NotChecked=0, Total=20022 [2024-11-10 19:00:29,893 INFO L432 NwaCegarLoop]: 1134 mSDtfsCounter, 819 mSDsluCounter, 46863 mSDsCounter, 0 mSdLazyCounter, 42664 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 821 SdHoareTripleChecker+Valid, 47997 SdHoareTripleChecker+Invalid, 42712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 42664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:29,893 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [821 Valid, 47997 Invalid, 42712 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [48 Valid, 42664 Invalid, 0 Unknown, 0 Unchecked, 9.1s Time] [2024-11-10 19:00:29,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3501 states. [2024-11-10 19:00:30,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3501 to 3501. [2024-11-10 19:00:30,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3501 states, 3215 states have (on average 1.0003110419906687) internal successors, (3216), 3215 states have internal predecessors, (3216), 284 states have call successors, (284), 1 states have call predecessors, (284), 1 states have return successors, (284), 284 states have call predecessors, (284), 284 states have call successors, (284) [2024-11-10 19:00:30,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3501 states to 3501 states and 3784 transitions. [2024-11-10 19:00:30,050 INFO L78 Accepts]: Start accepts. Automaton has 3501 states and 3784 transitions. Word has length 2280 [2024-11-10 19:00:30,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:30,053 INFO L471 AbstractCegarLoop]: Abstraction has 3501 states and 3784 transitions. [2024-11-10 19:00:30,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 33.28421052631579) internal successors, (3162), 96 states have internal predecessors, (3162), 94 states have call successors, (280), 1 states have call predecessors, (280), 1 states have return successors, (280), 94 states have call predecessors, (280), 94 states have call successors, (280) [2024-11-10 19:00:30,053 INFO L276 IsEmpty]: Start isEmpty. Operand 3501 states and 3784 transitions. [2024-11-10 19:00:30,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4633 [2024-11-10 19:00:30,152 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:30,153 INFO L215 NwaCegarLoop]: trace histogram [284, 284, 284, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 1, 1, 1] [2024-11-10 19:00:30,172 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-10 19:00:30,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:30,354 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:00:30,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:30,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1944062084, now seen corresponding path program 6 times [2024-11-10 19:00:30,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:30,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92174375] [2024-11-10 19:00:30,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:30,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:31,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:31,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1157392458] [2024-11-10 19:00:31,711 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-10 19:00:31,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:31,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:31,713 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:00:31,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-10 19:00:43,306 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 118 check-sat command(s) [2024-11-10 19:00:43,307 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:00:43,343 INFO L255 TraceCheckSpWp]: Trace formula consists of 6093 conjuncts, 199 conjuncts are in the unsatisfiable core [2024-11-10 19:00:43,393 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:48,522 INFO L134 CoverageAnalysis]: Checked inductivity of 323975 backedges. 0 proven. 163231 refuted. 0 times theorem prover too weak. 160744 trivial. 0 not checked. [2024-11-10 19:00:48,523 INFO L311 TraceCheckSpWp]: Computing backward predicates...