./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound2.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-scaling/ps4-ll_valuebound2.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 68d290aa6e6a124b20d02df1a641bd7e739f143db7416cdcc7b7048aed53c326 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 19:31:01,883 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 19:31:01,948 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 19:31:01,951 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 19:31:01,953 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 19:31:01,978 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 19:31:01,979 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 19:31:01,979 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 19:31:01,980 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 19:31:01,982 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 19:31:01,983 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 19:31:01,983 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 19:31:01,983 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 19:31:01,983 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 19:31:01,984 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 19:31:01,984 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 19:31:01,984 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 19:31:01,984 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 19:31:01,985 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 19:31:01,986 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 19:31:01,986 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 19:31:01,986 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 19:31:01,986 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 19:31:01,987 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 19:31:01,987 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 19:31:01,987 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 19:31:01,987 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 19:31:01,987 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 19:31:01,988 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 19:31:01,988 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 19:31:01,988 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 19:31:01,988 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 19:31:01,988 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 19:31:01,989 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 19:31:01,989 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:31:01,989 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 19:31:01,989 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 19:31:01,989 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 19:31:01,990 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 19:31:01,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 19:31:01,990 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 19:31:01,991 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 19:31:01,991 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 19:31:01,992 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 19:31:01,992 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68d290aa6e6a124b20d02df1a641bd7e739f143db7416cdcc7b7048aed53c326 [2024-11-10 19:31:02,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 19:31:02,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 19:31:02,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 19:31:02,206 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 19:31:02,206 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 19:31:02,207 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound2.c [2024-11-10 19:31:03,462 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 19:31:03,591 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 19:31:03,591 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound2.c [2024-11-10 19:31:03,596 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f33e78dec/d12bc791124045a8a7fdcbf36665e516/FLAG1aecc86b8 [2024-11-10 19:31:04,019 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f33e78dec/d12bc791124045a8a7fdcbf36665e516 [2024-11-10 19:31:04,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 19:31:04,022 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 19:31:04,023 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 19:31:04,023 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 19:31:04,028 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 19:31:04,028 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:31:04" (1/1) ... [2024-11-10 19:31:04,029 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f779645 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:31:04, skipping insertion in model container [2024-11-10 19:31:04,029 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:31:04" (1/1) ... [2024-11-10 19:31:04,043 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 19:31:04,194 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:31:04,206 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 19:31:04,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:31:04,238 INFO L204 MainTranslator]: Completed translation [2024-11-10 19:31:04,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:31:04 WrapperNode [2024-11-10 19:31:04,240 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 19:31:04,241 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 19:31:04,241 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 19:31:04,241 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 19:31:04,246 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:31:04" (1/1) ... [2024-11-10 19:31:04,253 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:31:04" (1/1) ... [2024-11-10 19:31:04,271 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 103 [2024-11-10 19:31:04,271 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 19:31:04,272 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 19:31:04,272 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 19:31:04,272 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 19:31:04,280 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:31:04" (1/1) ... [2024-11-10 19:31:04,280 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:31:04" (1/1) ... [2024-11-10 19:31:04,281 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:31:04" (1/1) ... [2024-11-10 19:31:04,295 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 19:31:04,299 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:31:04" (1/1) ... [2024-11-10 19:31:04,299 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:31:04" (1/1) ... [2024-11-10 19:31:04,301 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:31:04" (1/1) ... [2024-11-10 19:31:04,302 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:31:04" (1/1) ... [2024-11-10 19:31:04,302 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:31:04" (1/1) ... [2024-11-10 19:31:04,303 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:31:04" (1/1) ... [2024-11-10 19:31:04,304 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 19:31:04,305 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 19:31:04,305 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 19:31:04,305 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 19:31:04,306 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:31:04" (1/1) ... [2024-11-10 19:31:04,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:31:04,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:31:04,340 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 19:31:04,343 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 19:31:04,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 19:31:04,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 19:31:04,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 19:31:04,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 19:31:04,381 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 19:31:04,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 19:31:04,429 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 19:31:04,431 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 19:31:04,814 INFO L? ?]: Removed 75 outVars from TransFormulas that were not future-live. [2024-11-10 19:31:04,814 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 19:31:04,832 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 19:31:04,833 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 19:31:04,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:31:04 BoogieIcfgContainer [2024-11-10 19:31:04,834 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 19:31:04,835 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 19:31:04,836 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 19:31:04,838 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 19:31:04,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:31:04" (1/3) ... [2024-11-10 19:31:04,839 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54e1e54c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:31:04, skipping insertion in model container [2024-11-10 19:31:04,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:31:04" (2/3) ... [2024-11-10 19:31:04,839 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54e1e54c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:31:04, skipping insertion in model container [2024-11-10 19:31:04,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:31:04" (3/3) ... [2024-11-10 19:31:04,840 INFO L112 eAbstractionObserver]: Analyzing ICFG ps4-ll_valuebound2.c [2024-11-10 19:31:04,851 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 19:31:04,851 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 60 error locations. [2024-11-10 19:31:04,897 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 19:31:04,902 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;@3a5fc762, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 19:31:04,903 INFO L334 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2024-11-10 19:31:04,906 INFO L276 IsEmpty]: Start isEmpty. Operand has 143 states, 78 states have (on average 1.8333333333333333) internal successors, (143), 138 states have internal predecessors, (143), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:31:04,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-10 19:31:04,910 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:31:04,910 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-10 19:31:04,910 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-10 19:31:04,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:31:04,914 INFO L85 PathProgramCache]: Analyzing trace with hash 703619797, now seen corresponding path program 1 times [2024-11-10 19:31:04,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:31:04,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253345859] [2024-11-10 19:31:04,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:31:04,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:31:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:31:05,017 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 19:31:05,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:31:05,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253345859] [2024-11-10 19:31:05,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253345859] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:31:05,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:31:05,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:31:05,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212282376] [2024-11-10 19:31:05,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:31:05,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 19:31:05,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:31:05,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 19:31:05,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 19:31:05,041 INFO L87 Difference]: Start difference. First operand has 143 states, 78 states have (on average 1.8333333333333333) internal successors, (143), 138 states have internal predecessors, (143), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:31:05,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:31:05,062 INFO L93 Difference]: Finished difference Result 272 states and 296 transitions. [2024-11-10 19:31:05,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 19:31:05,064 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-10 19:31:05,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:31:05,068 INFO L225 Difference]: With dead ends: 272 [2024-11-10 19:31:05,069 INFO L226 Difference]: Without dead ends: 126 [2024-11-10 19:31:05,071 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 19:31:05,073 INFO L432 NwaCegarLoop]: 134 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, 134 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 19:31:05,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:31:05,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-10 19:31:05,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2024-11-10 19:31:05,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 73 states have (on average 1.6849315068493151) internal successors, (123), 122 states have internal predecessors, (123), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:31:05,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 127 transitions. [2024-11-10 19:31:05,120 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 127 transitions. Word has length 6 [2024-11-10 19:31:05,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:31:05,120 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 127 transitions. [2024-11-10 19:31:05,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:31:05,120 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 127 transitions. [2024-11-10 19:31:05,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-10 19:31:05,121 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:31:05,121 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:31:05,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 19:31:05,121 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-10 19:31:05,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:31:05,124 INFO L85 PathProgramCache]: Analyzing trace with hash 338302149, now seen corresponding path program 1 times [2024-11-10 19:31:05,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:31:05,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298167021] [2024-11-10 19:31:05,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:31:05,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:31:05,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:31:05,193 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 19:31:05,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:31:05,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298167021] [2024-11-10 19:31:05,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298167021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:31:05,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:31:05,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:31:05,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92445858] [2024-11-10 19:31:05,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:31:05,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:31:05,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:31:05,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:31:05,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:31:05,198 INFO L87 Difference]: Start difference. First operand 126 states and 127 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:31:05,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:31:05,317 INFO L93 Difference]: Finished difference Result 236 states and 247 transitions. [2024-11-10 19:31:05,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:31:05,318 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-10 19:31:05,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:31:05,320 INFO L225 Difference]: With dead ends: 236 [2024-11-10 19:31:05,320 INFO L226 Difference]: Without dead ends: 225 [2024-11-10 19:31:05,320 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 19:31:05,321 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 95 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:31:05,321 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 190 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:31:05,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-10 19:31:05,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 180. [2024-11-10 19:31:05,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 125 states have (on average 1.648) internal successors, (206), 174 states have internal predecessors, (206), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:31:05,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 214 transitions. [2024-11-10 19:31:05,337 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 214 transitions. Word has length 7 [2024-11-10 19:31:05,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:31:05,338 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 214 transitions. [2024-11-10 19:31:05,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:31:05,338 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 214 transitions. [2024-11-10 19:31:05,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-10 19:31:05,338 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:31:05,338 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:31:05,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 19:31:05,339 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-10 19:31:05,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:31:05,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1928826598, now seen corresponding path program 1 times [2024-11-10 19:31:05,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:31:05,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845421194] [2024-11-10 19:31:05,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:31:05,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:31:05,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:31:05,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1825706625] [2024-11-10 19:31:05,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:31:05,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:31:05,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:31:05,363 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 19:31:05,365 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 19:31:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:31:05,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:31:05,405 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:31:05,417 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 19:31:05,417 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:31:05,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:31:05,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845421194] [2024-11-10 19:31:05,418 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:31:05,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1825706625] [2024-11-10 19:31:05,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1825706625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:31:05,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:31:05,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:31:05,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583155386] [2024-11-10 19:31:05,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:31:05,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:31:05,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:31:05,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:31:05,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:31:05,419 INFO L87 Difference]: Start difference. First operand 180 states and 214 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:31:05,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:31:05,674 INFO L93 Difference]: Finished difference Result 215 states and 224 transitions. [2024-11-10 19:31:05,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:31:05,674 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-10 19:31:05,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:31:05,675 INFO L225 Difference]: With dead ends: 215 [2024-11-10 19:31:05,675 INFO L226 Difference]: Without dead ends: 188 [2024-11-10 19:31:05,676 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 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 19:31:05,676 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 54 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:31:05,677 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 100 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:31:05,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-10 19:31:05,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 185. [2024-11-10 19:31:05,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 130 states have (on average 1.4461538461538461) internal successors, (188), 179 states have internal predecessors, (188), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:31:05,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 196 transitions. [2024-11-10 19:31:05,685 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 196 transitions. Word has length 10 [2024-11-10 19:31:05,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:31:05,685 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 196 transitions. [2024-11-10 19:31:05,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:31:05,685 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 196 transitions. [2024-11-10 19:31:05,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-10 19:31:05,686 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:31:05,686 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:31:05,701 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 19:31:05,886 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 19:31:05,887 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-10 19:31:05,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:31:05,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1562398781, now seen corresponding path program 1 times [2024-11-10 19:31:05,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:31:05,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185567805] [2024-11-10 19:31:05,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:31:05,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:31:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:31:05,978 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 19:31:05,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:31:05,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185567805] [2024-11-10 19:31:05,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185567805] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:31:05,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:31:05,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:31:05,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632317386] [2024-11-10 19:31:05,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:31:05,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:31:05,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:31:05,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:31:05,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:31:05,980 INFO L87 Difference]: Start difference. First operand 185 states and 196 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 19:31:06,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:31:06,095 INFO L93 Difference]: Finished difference Result 204 states and 209 transitions. [2024-11-10 19:31:06,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:31:06,096 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 15 [2024-11-10 19:31:06,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:31:06,097 INFO L225 Difference]: With dead ends: 204 [2024-11-10 19:31:06,097 INFO L226 Difference]: Without dead ends: 170 [2024-11-10 19:31:06,098 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:31:06,098 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 117 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:31:06,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 160 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:31:06,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-10 19:31:06,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 157. [2024-11-10 19:31:06,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 103 states have (on average 1.5048543689320388) internal successors, (155), 152 states have internal predecessors, (155), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:31:06,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 161 transitions. [2024-11-10 19:31:06,110 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 161 transitions. Word has length 15 [2024-11-10 19:31:06,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:31:06,110 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 161 transitions. [2024-11-10 19:31:06,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 19:31:06,113 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 161 transitions. [2024-11-10 19:31:06,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-10 19:31:06,114 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:31:06,114 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:31:06,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 19:31:06,114 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-10 19:31:06,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:31:06,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1335196307, now seen corresponding path program 1 times [2024-11-10 19:31:06,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:31:06,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057393333] [2024-11-10 19:31:06,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:31:06,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:31:06,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:31:06,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 19:31:06,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:31:06,194 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 19:31:06,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:31:06,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057393333] [2024-11-10 19:31:06,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057393333] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:31:06,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:31:06,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:31:06,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163106054] [2024-11-10 19:31:06,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:31:06,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:31:06,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:31:06,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:31:06,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:31:06,198 INFO L87 Difference]: Start difference. First operand 157 states and 161 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:31:06,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:31:06,212 INFO L93 Difference]: Finished difference Result 159 states and 161 transitions. [2024-11-10 19:31:06,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:31:06,212 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2024-11-10 19:31:06,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:31:06,213 INFO L225 Difference]: With dead ends: 159 [2024-11-10 19:31:06,213 INFO L226 Difference]: Without dead ends: 157 [2024-11-10 19:31:06,213 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:31:06,214 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 2 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:31:06,214 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 241 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:31:06,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-10 19:31:06,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2024-11-10 19:31:06,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 103 states have (on average 1.4854368932038835) internal successors, (153), 152 states have internal predecessors, (153), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:31:06,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 159 transitions. [2024-11-10 19:31:06,219 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 159 transitions. Word has length 35 [2024-11-10 19:31:06,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:31:06,220 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 159 transitions. [2024-11-10 19:31:06,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:31:06,220 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 159 transitions. [2024-11-10 19:31:06,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-10 19:31:06,222 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:31:06,222 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:31:06,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 19:31:06,223 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-10 19:31:06,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:31:06,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1883602182, now seen corresponding path program 1 times [2024-11-10 19:31:06,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:31:06,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016050410] [2024-11-10 19:31:06,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:31:06,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:31:06,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:31:06,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1153353593] [2024-11-10 19:31:06,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:31:06,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:31:06,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:31:06,255 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 19:31:06,256 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 19:31:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:31:06,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:31:06,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:31:06,349 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 19:31:06,349 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:31:06,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:31:06,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016050410] [2024-11-10 19:31:06,352 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:31:06,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153353593] [2024-11-10 19:31:06,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1153353593] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:31:06,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:31:06,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:31:06,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442114263] [2024-11-10 19:31:06,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:31:06,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:31:06,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:31:06,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:31:06,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:31:06,353 INFO L87 Difference]: Start difference. First operand 157 states and 159 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:31:06,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:31:06,597 INFO L93 Difference]: Finished difference Result 258 states and 280 transitions. [2024-11-10 19:31:06,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:31:06,597 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 42 [2024-11-10 19:31:06,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:31:06,599 INFO L225 Difference]: With dead ends: 258 [2024-11-10 19:31:06,599 INFO L226 Difference]: Without dead ends: 232 [2024-11-10 19:31:06,599 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 39 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 19:31:06,601 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 70 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:31:06,601 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 115 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:31:06,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-10 19:31:06,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 223. [2024-11-10 19:31:06,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 167 states have (on average 1.437125748502994) internal successors, (240), 216 states have internal predecessors, (240), 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 19:31:06,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 250 transitions. [2024-11-10 19:31:06,615 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 250 transitions. Word has length 42 [2024-11-10 19:31:06,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:31:06,615 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 250 transitions. [2024-11-10 19:31:06,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:31:06,615 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 250 transitions. [2024-11-10 19:31:06,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-10 19:31:06,616 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:31:06,616 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:31:06,631 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 19:31:06,817 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,SelfDestructingSolverStorable5 [2024-11-10 19:31:06,817 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-10 19:31:06,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:31:06,818 INFO L85 PathProgramCache]: Analyzing trace with hash -644844054, now seen corresponding path program 1 times [2024-11-10 19:31:06,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:31:06,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049931002] [2024-11-10 19:31:06,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:31:06,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:31:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:31:06,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 19:31:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:31:06,920 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 19:31:06,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:31:06,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049931002] [2024-11-10 19:31:06,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049931002] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:31:06,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:31:06,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:31:06,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466767174] [2024-11-10 19:31:06,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:31:06,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:31:06,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:31:06,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:31:06,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:31:06,924 INFO L87 Difference]: Start difference. First operand 223 states and 250 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:31:11,015 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 [] [2024-11-10 19:31:11,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:31:11,399 INFO L93 Difference]: Finished difference Result 224 states and 250 transitions. [2024-11-10 19:31:11,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:31:11,400 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 45 [2024-11-10 19:31:11,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:31:11,401 INFO L225 Difference]: With dead ends: 224 [2024-11-10 19:31:11,401 INFO L226 Difference]: Without dead ends: 223 [2024-11-10 19:31:11,401 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:31:11,402 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 34 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:31:11,402 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 201 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 177 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-10 19:31:11,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-10 19:31:11,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2024-11-10 19:31:11,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 167 states have (on average 1.4311377245508983) internal successors, (239), 216 states have internal predecessors, (239), 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 19:31:11,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 249 transitions. [2024-11-10 19:31:11,408 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 249 transitions. Word has length 45 [2024-11-10 19:31:11,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:31:11,409 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 249 transitions. [2024-11-10 19:31:11,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:31:11,409 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 249 transitions. [2024-11-10 19:31:11,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-10 19:31:11,410 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:31:11,410 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:31:11,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 19:31:11,410 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-10 19:31:11,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:31:11,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1484670838, now seen corresponding path program 1 times [2024-11-10 19:31:11,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:31:11,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878960207] [2024-11-10 19:31:11,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:31:11,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:31:11,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:31:11,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 19:31:11,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:31:11,472 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 19:31:11,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:31:11,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878960207] [2024-11-10 19:31:11,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878960207] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:31:11,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:31:11,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:31:11,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349998266] [2024-11-10 19:31:11,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:31:11,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:31:11,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:31:11,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:31:11,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:31:11,474 INFO L87 Difference]: Start difference. First operand 223 states and 249 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:31:11,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:31:11,539 INFO L93 Difference]: Finished difference Result 224 states and 249 transitions. [2024-11-10 19:31:11,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:31:11,540 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 46 [2024-11-10 19:31:11,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:31:11,541 INFO L225 Difference]: With dead ends: 224 [2024-11-10 19:31:11,541 INFO L226 Difference]: Without dead ends: 223 [2024-11-10 19:31:11,541 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:31:11,542 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 32 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:31:11,542 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 188 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:31:11,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-10 19:31:11,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2024-11-10 19:31:11,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 167 states have (on average 1.4251497005988023) internal successors, (238), 216 states have internal predecessors, (238), 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 19:31:11,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 248 transitions. [2024-11-10 19:31:11,547 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 248 transitions. Word has length 46 [2024-11-10 19:31:11,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:31:11,548 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 248 transitions. [2024-11-10 19:31:11,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:31:11,548 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 248 transitions. [2024-11-10 19:31:11,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-10 19:31:11,549 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:31:11,549 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:31:11,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 19:31:11,549 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-10 19:31:11,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:31:11,549 INFO L85 PathProgramCache]: Analyzing trace with hash -661568677, now seen corresponding path program 1 times [2024-11-10 19:31:11,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:31:11,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095544249] [2024-11-10 19:31:11,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:31:11,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:31:11,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:31:11,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1229326341] [2024-11-10 19:31:11,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:31:11,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:31:11,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:31:11,561 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 19:31:11,562 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 19:31:11,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:31:11,600 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 19:31:11,601 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:31:11,769 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:31:11,769 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:31:11,900 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:31:11,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:31:11,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095544249] [2024-11-10 19:31:11,900 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:31:11,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1229326341] [2024-11-10 19:31:11,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1229326341] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:31:11,900 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:31:11,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-10 19:31:11,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161476097] [2024-11-10 19:31:11,900 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:31:11,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:31:11,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:31:11,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:31:11,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:31:11,907 INFO L87 Difference]: Start difference. First operand 223 states and 248 transitions. Second operand has 8 states, 7 states have (on average 12.857142857142858) internal successors, (90), 8 states have internal predecessors, (90), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:31:12,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:31:12,353 INFO L93 Difference]: Finished difference Result 250 states and 264 transitions. [2024-11-10 19:31:12,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:31:12,353 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.857142857142858) internal successors, (90), 8 states have internal predecessors, (90), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 50 [2024-11-10 19:31:12,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:31:12,354 INFO L225 Difference]: With dead ends: 250 [2024-11-10 19:31:12,354 INFO L226 Difference]: Without dead ends: 237 [2024-11-10 19:31:12,354 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:31:12,355 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 286 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:31:12,355 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 102 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:31:12,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-10 19:31:12,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 225. [2024-11-10 19:31:12,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 172 states have (on average 1.3488372093023255) internal successors, (232), 218 states have internal predecessors, (232), 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 19:31:12,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 242 transitions. [2024-11-10 19:31:12,360 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 242 transitions. Word has length 50 [2024-11-10 19:31:12,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:31:12,361 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 242 transitions. [2024-11-10 19:31:12,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.857142857142858) internal successors, (90), 8 states have internal predecessors, (90), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:31:12,361 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 242 transitions. [2024-11-10 19:31:12,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-10 19:31:12,362 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:31:12,362 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:31:12,373 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 19:31:12,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:31:12,567 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-10 19:31:12,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:31:12,567 INFO L85 PathProgramCache]: Analyzing trace with hash -158168877, now seen corresponding path program 1 times [2024-11-10 19:31:12,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:31:12,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906043222] [2024-11-10 19:31:12,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:31:12,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:31:12,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:31:12,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1205470984] [2024-11-10 19:31:12,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:31:12,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:31:12,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:31:12,591 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 19:31:12,592 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 19:31:12,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:31:12,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-10 19:31:12,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:31:12,779 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:31:12,779 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:31:13,198 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:31:13,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:31:13,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906043222] [2024-11-10 19:31:13,198 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:31:13,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1205470984] [2024-11-10 19:31:13,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1205470984] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:31:13,198 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:31:13,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-10 19:31:13,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640953173] [2024-11-10 19:31:13,199 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:31:13,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:31:13,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:31:13,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:31:13,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:31:13,200 INFO L87 Difference]: Start difference. First operand 225 states and 242 transitions. Second operand has 10 states, 9 states have (on average 12.0) internal successors, (108), 10 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:31:17,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:31:19,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:31:23,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:31:27,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:31:31,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:31:36,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:31:40,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:31:44,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:31:48,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:31:52,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:31:56,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:32:00,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:32:04,279 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 [] [2024-11-10 19:32:04,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:32:04,293 INFO L93 Difference]: Finished difference Result 241 states and 248 transitions. [2024-11-10 19:32:04,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:32:04,293 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 12.0) internal successors, (108), 10 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 58 [2024-11-10 19:32:04,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:32:04,294 INFO L225 Difference]: With dead ends: 241 [2024-11-10 19:32:04,294 INFO L226 Difference]: Without dead ends: 213 [2024-11-10 19:32:04,295 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:32:04,295 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 197 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 759 mSolverCounterSat, 67 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 759 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:32:04,295 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 131 Invalid, 838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 759 Invalid, 12 Unknown, 0 Unchecked, 51.0s Time] [2024-11-10 19:32:04,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-11-10 19:32:04,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 201. [2024-11-10 19:32:04,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 151 states have (on average 1.3443708609271523) internal successors, (203), 195 states have internal predecessors, (203), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:32:04,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 211 transitions. [2024-11-10 19:32:04,299 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 211 transitions. Word has length 58 [2024-11-10 19:32:04,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:32:04,300 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 211 transitions. [2024-11-10 19:32:04,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 12.0) internal successors, (108), 10 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:32:04,300 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 211 transitions. [2024-11-10 19:32:04,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-10 19:32:04,300 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:32:04,301 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-10 19:32:04,314 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-10 19:32:04,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:32:04,501 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-10 19:32:04,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:32:04,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1822716941, now seen corresponding path program 1 times [2024-11-10 19:32:04,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:32:04,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289495441] [2024-11-10 19:32:04,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:04,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:32:04,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:32:04,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1824829836] [2024-11-10 19:32:04,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:04,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:32:04,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:32:04,520 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 19:32:04,521 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 19:32:04,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:04,572 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:32:04,573 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:32:04,744 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:32:04,744 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:32:05,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:32:05,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289495441] [2024-11-10 19:32:05,997 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:32:05,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1824829836] [2024-11-10 19:32:05,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1824829836] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:32:05,997 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:32:05,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-10 19:32:05,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454393236] [2024-11-10 19:32:05,998 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:32:05,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:32:05,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:32:05,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:32:05,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:32:05,999 INFO L87 Difference]: Start difference. First operand 201 states and 211 transitions. Second operand has 7 states, 6 states have (on average 11.833333333333334) internal successors, (71), 7 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:32:06,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:32:06,195 INFO L93 Difference]: Finished difference Result 204 states and 211 transitions. [2024-11-10 19:32:06,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:32:06,196 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.833333333333334) internal successors, (71), 7 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 78 [2024-11-10 19:32:06,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:32:06,197 INFO L225 Difference]: With dead ends: 204 [2024-11-10 19:32:06,197 INFO L226 Difference]: Without dead ends: 200 [2024-11-10 19:32:06,197 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:32:06,197 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 28 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:32:06,198 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 326 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:32:06,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2024-11-10 19:32:06,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2024-11-10 19:32:06,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 150 states have (on average 1.3266666666666667) internal successors, (199), 194 states have internal predecessors, (199), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:32:06,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 207 transitions. [2024-11-10 19:32:06,202 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 207 transitions. Word has length 78 [2024-11-10 19:32:06,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:32:06,202 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 207 transitions. [2024-11-10 19:32:06,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.833333333333334) internal successors, (71), 7 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:32:06,202 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 207 transitions. [2024-11-10 19:32:06,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-10 19:32:06,203 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:32:06,203 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-10 19:32:06,215 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 19:32:06,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-10 19:32:06,407 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-10 19:32:06,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:32:06,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1822716887, now seen corresponding path program 1 times [2024-11-10 19:32:06,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:32:06,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374574743] [2024-11-10 19:32:06,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:06,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:32:06,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:06,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 19:32:06,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:06,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 19:32:06,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:06,489 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:32:06,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:32:06,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374574743] [2024-11-10 19:32:06,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374574743] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:32:06,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1475915167] [2024-11-10 19:32:06,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:06,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:32:06,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:32:06,493 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 19:32:06,494 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 19:32:06,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:06,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:32:06,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:32:06,608 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:32:06,608 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:32:06,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1475915167] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:32:06,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:32:06,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-10 19:32:06,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277790006] [2024-11-10 19:32:06,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:32:06,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:32:06,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:32:06,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:32:06,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:32:06,609 INFO L87 Difference]: Start difference. First operand 200 states and 207 transitions. Second operand has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:32:06,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:32:06,631 INFO L93 Difference]: Finished difference Result 200 states and 207 transitions. [2024-11-10 19:32:06,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:32:06,633 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 78 [2024-11-10 19:32:06,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:32:06,634 INFO L225 Difference]: With dead ends: 200 [2024-11-10 19:32:06,634 INFO L226 Difference]: Without dead ends: 199 [2024-11-10 19:32:06,634 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 81 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 19:32:06,635 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 46 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:32:06,635 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 222 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:32:06,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-11-10 19:32:06,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2024-11-10 19:32:06,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 150 states have (on average 1.3133333333333332) internal successors, (197), 193 states have internal predecessors, (197), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:32:06,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 205 transitions. [2024-11-10 19:32:06,640 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 205 transitions. Word has length 78 [2024-11-10 19:32:06,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:32:06,640 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 205 transitions. [2024-11-10 19:32:06,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:32:06,640 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 205 transitions. [2024-11-10 19:32:06,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-10 19:32:06,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:32:06,641 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-10 19:32:06,653 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 19:32:06,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:32:06,846 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-10 19:32:06,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:32:06,846 INFO L85 PathProgramCache]: Analyzing trace with hash -669650296, now seen corresponding path program 1 times [2024-11-10 19:32:06,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:32:06,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241639518] [2024-11-10 19:32:06,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:06,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:32:06,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:32:06,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [981424524] [2024-11-10 19:32:06,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:06,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:32:06,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:32:06,862 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 19:32:06,863 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 19:32:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:06,895 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:32:06,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:32:07,062 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:32:07,062 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:32:11,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:32:11,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241639518] [2024-11-10 19:32:11,680 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:32:11,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981424524] [2024-11-10 19:32:11,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981424524] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:32:11,680 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:32:11,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-10 19:32:11,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725561678] [2024-11-10 19:32:11,680 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:32:11,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:32:11,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:32:11,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:32:11,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=91, Unknown=1, NotChecked=0, Total=132 [2024-11-10 19:32:11,681 INFO L87 Difference]: Start difference. First operand 199 states and 205 transitions. Second operand has 7 states, 6 states have (on average 12.0) internal successors, (72), 7 states have internal predecessors, (72), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:32:11,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:32:11,935 INFO L93 Difference]: Finished difference Result 200 states and 205 transitions. [2024-11-10 19:32:11,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:32:11,936 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.0) internal successors, (72), 7 states have internal predecessors, (72), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 79 [2024-11-10 19:32:11,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:32:11,937 INFO L225 Difference]: With dead ends: 200 [2024-11-10 19:32:11,937 INFO L226 Difference]: Without dead ends: 199 [2024-11-10 19:32:11,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=40, Invalid=91, Unknown=1, NotChecked=0, Total=132 [2024-11-10 19:32:11,937 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 24 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:32:11,937 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 338 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:32:11,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-11-10 19:32:11,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2024-11-10 19:32:11,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 150 states have (on average 1.3066666666666666) internal successors, (196), 193 states have internal predecessors, (196), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:32:11,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 204 transitions. [2024-11-10 19:32:11,941 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 204 transitions. Word has length 79 [2024-11-10 19:32:11,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:32:11,942 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 204 transitions. [2024-11-10 19:32:11,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.0) internal successors, (72), 7 states have internal predecessors, (72), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:32:11,942 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 204 transitions. [2024-11-10 19:32:11,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-10 19:32:11,942 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:32:11,943 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 19:32:11,955 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-10 19:32:12,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:32:12,143 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-10 19:32:12,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:32:12,144 INFO L85 PathProgramCache]: Analyzing trace with hash 571146543, now seen corresponding path program 1 times [2024-11-10 19:32:12,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:32:12,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300134958] [2024-11-10 19:32:12,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:12,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:32:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:32:12,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2141764978] [2024-11-10 19:32:12,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:12,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:32:12,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:32:12,160 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 19:32:12,161 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 19:32:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:12,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 19:32:12,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:32:12,356 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:32:12,356 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:32:12,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:32:12,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300134958] [2024-11-10 19:32:12,463 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:32:12,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141764978] [2024-11-10 19:32:12,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141764978] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:32:12,464 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:32:12,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-10 19:32:12,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981495071] [2024-11-10 19:32:12,464 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:32:12,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:32:12,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:32:12,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:32:12,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:32:12,465 INFO L87 Difference]: Start difference. First operand 199 states and 204 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:32:12,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:32:12,713 INFO L93 Difference]: Finished difference Result 200 states and 204 transitions. [2024-11-10 19:32:12,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:32:12,714 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 82 [2024-11-10 19:32:12,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:32:12,715 INFO L225 Difference]: With dead ends: 200 [2024-11-10 19:32:12,715 INFO L226 Difference]: Without dead ends: 194 [2024-11-10 19:32:12,715 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:32:12,715 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 9 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:32:12,715 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 151 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:32:12,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-11-10 19:32:12,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2024-11-10 19:32:12,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 145 states have (on average 1.3103448275862069) internal successors, (190), 188 states have internal predecessors, (190), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:32:12,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 198 transitions. [2024-11-10 19:32:12,719 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 198 transitions. Word has length 82 [2024-11-10 19:32:12,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:32:12,720 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 198 transitions. [2024-11-10 19:32:12,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:32:12,720 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 198 transitions. [2024-11-10 19:32:12,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-10 19:32:12,720 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:32:12,721 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-10 19:32:12,733 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-10 19:32:12,921 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,SelfDestructingSolverStorable13 [2024-11-10 19:32:12,921 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-10 19:32:12,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:32:12,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1931451556, now seen corresponding path program 1 times [2024-11-10 19:32:12,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:32:12,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029710020] [2024-11-10 19:32:12,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:12,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:32:12,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:32:12,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1850834077] [2024-11-10 19:32:12,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:12,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:32:12,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:32:12,939 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 19:32:12,940 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 19:32:12,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:12,996 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:32:12,998 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:32:13,072 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:32:13,073 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:32:13,177 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:32:13,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:32:13,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029710020] [2024-11-10 19:32:13,178 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:32:13,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1850834077] [2024-11-10 19:32:13,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1850834077] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:32:13,178 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:32:13,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-10 19:32:13,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779244656] [2024-11-10 19:32:13,178 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:32:13,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:32:13,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:32:13,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:32:13,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:32:13,179 INFO L87 Difference]: Start difference. First operand 194 states and 198 transitions. Second operand has 8 states, 7 states have (on average 21.428571428571427) internal successors, (150), 8 states have internal predecessors, (150), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:32:13,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:32:13,443 INFO L93 Difference]: Finished difference Result 279 states and 314 transitions. [2024-11-10 19:32:13,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:32:13,443 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 21.428571428571427) internal successors, (150), 8 states have internal predecessors, (150), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 85 [2024-11-10 19:32:13,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:32:13,444 INFO L225 Difference]: With dead ends: 279 [2024-11-10 19:32:13,444 INFO L226 Difference]: Without dead ends: 254 [2024-11-10 19:32:13,444 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:32:13,444 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 310 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:32:13,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 138 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:32:13,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2024-11-10 19:32:13,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 235. [2024-11-10 19:32:13,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 196 states have (on average 1.2346938775510203) internal successors, (242), 227 states have internal predecessors, (242), 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 19:32:13,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 254 transitions. [2024-11-10 19:32:13,450 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 254 transitions. Word has length 85 [2024-11-10 19:32:13,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:32:13,450 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 254 transitions. [2024-11-10 19:32:13,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 21.428571428571427) internal successors, (150), 8 states have internal predecessors, (150), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:32:13,450 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 254 transitions. [2024-11-10 19:32:13,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-10 19:32:13,451 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:32:13,451 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-10 19:32:13,462 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-10 19:32:13,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-10 19:32:13,652 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-10 19:32:13,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:32:13,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1795849248, now seen corresponding path program 1 times [2024-11-10 19:32:13,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:32:13,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182520319] [2024-11-10 19:32:13,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:13,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:32:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:32:13,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1608468590] [2024-11-10 19:32:13,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:13,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:32:13,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:32:13,664 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 19:32:13,665 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 19:32:13,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:13,703 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 19:32:13,704 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:32:13,889 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:32:13,889 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:32:14,190 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:32:14,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:32:14,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182520319] [2024-11-10 19:32:14,191 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:32:14,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1608468590] [2024-11-10 19:32:14,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1608468590] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:32:14,191 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:32:14,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2024-11-10 19:32:14,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719840120] [2024-11-10 19:32:14,191 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:32:14,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:32:14,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:32:14,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:32:14,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:32:14,192 INFO L87 Difference]: Start difference. First operand 235 states and 254 transitions. Second operand has 11 states, 10 states have (on average 15.8) internal successors, (158), 11 states have internal predecessors, (158), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:32:16,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:32:21,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:32:25,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:32:31,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:32:35,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:32:39,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:32:41,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:32:45,864 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 [] [2024-11-10 19:32:47,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:32:47,039 INFO L93 Difference]: Finished difference Result 259 states and 285 transitions. [2024-11-10 19:32:47,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:32:47,039 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 15.8) internal successors, (158), 11 states have internal predecessors, (158), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 89 [2024-11-10 19:32:47,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:32:47,040 INFO L225 Difference]: With dead ends: 259 [2024-11-10 19:32:47,040 INFO L226 Difference]: Without dead ends: 258 [2024-11-10 19:32:47,040 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=110, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:32:47,044 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 174 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 731 mSolverCounterSat, 20 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 731 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:32:47,044 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 141 Invalid, 757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 731 Invalid, 6 Unknown, 0 Unchecked, 32.8s Time] [2024-11-10 19:32:47,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-11-10 19:32:47,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 234. [2024-11-10 19:32:47,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 196 states have (on average 1.2244897959183674) internal successors, (240), 226 states have internal predecessors, (240), 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 19:32:47,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 252 transitions. [2024-11-10 19:32:47,052 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 252 transitions. Word has length 89 [2024-11-10 19:32:47,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:32:47,052 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 252 transitions. [2024-11-10 19:32:47,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 15.8) internal successors, (158), 11 states have internal predecessors, (158), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:32:47,052 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 252 transitions. [2024-11-10 19:32:47,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-10 19:32:47,053 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:32:47,053 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-10 19:32:47,066 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 19:32:47,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-10 19:32:47,255 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-10 19:32:47,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:32:47,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1130148356, now seen corresponding path program 1 times [2024-11-10 19:32:47,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:32:47,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555375473] [2024-11-10 19:32:47,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:47,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:32:47,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:32:47,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [247178303] [2024-11-10 19:32:47,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:47,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:32:47,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:32:47,267 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 19:32:47,268 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 19:32:47,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:47,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 19:32:47,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:32:47,500 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:32:47,500 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:32:47,670 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:32:47,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:32:47,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555375473] [2024-11-10 19:32:47,671 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:32:47,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [247178303] [2024-11-10 19:32:47,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [247178303] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:32:47,671 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:32:47,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-10 19:32:47,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048527221] [2024-11-10 19:32:47,671 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:32:47,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:32:47,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:32:47,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:32:47,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:32:47,672 INFO L87 Difference]: Start difference. First operand 234 states and 252 transitions. Second operand has 12 states, 11 states have (on average 15.272727272727273) internal successors, (168), 12 states have internal predecessors, (168), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:32:48,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:32:48,723 INFO L93 Difference]: Finished difference Result 334 states and 383 transitions. [2024-11-10 19:32:48,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:32:48,724 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 15.272727272727273) internal successors, (168), 12 states have internal predecessors, (168), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 94 [2024-11-10 19:32:48,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:32:48,725 INFO L225 Difference]: With dead ends: 334 [2024-11-10 19:32:48,725 INFO L226 Difference]: Without dead ends: 322 [2024-11-10 19:32:48,725 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:32:48,726 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 391 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 1052 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 1086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:32:48,726 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 206 Invalid, 1086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1052 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 19:32:48,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-11-10 19:32:48,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 282. [2024-11-10 19:32:48,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 250 states have (on average 1.18) internal successors, (295), 273 states have internal predecessors, (295), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-10 19:32:48,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 309 transitions. [2024-11-10 19:32:48,733 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 309 transitions. Word has length 94 [2024-11-10 19:32:48,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:32:48,733 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 309 transitions. [2024-11-10 19:32:48,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 15.272727272727273) internal successors, (168), 12 states have internal predecessors, (168), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:32:48,734 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 309 transitions. [2024-11-10 19:32:48,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-10 19:32:48,734 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:32:48,734 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-10 19:32:48,747 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 19:32:48,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-10 19:32:48,939 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-10 19:32:48,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:32:48,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1357056501, now seen corresponding path program 1 times [2024-11-10 19:32:48,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:32:48,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598838979] [2024-11-10 19:32:48,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:48,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:32:48,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:32:48,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [46866281] [2024-11-10 19:32:48,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:48,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:32:48,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:32:48,957 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 19:32:48,958 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 19:32:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:48,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 19:32:48,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:32:49,548 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 3 proven. 77 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:32:49,548 INFO L311 TraceCheckSpWp]: Computing backward predicates...