./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/hh2012-ex3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/hh2012-ex3.i -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 3c7177334f88b94ca4ee99044935e396702561856a6f48616f98f91aafc609bb --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 18:19:23,816 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 18:19:23,873 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-20 18:19:23,878 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 18:19:23,881 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 18:19:23,905 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 18:19:23,907 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 18:19:23,907 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 18:19:23,908 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 18:19:23,909 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 18:19:23,909 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 18:19:23,910 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 18:19:23,910 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 18:19:23,911 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 18:19:23,911 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 18:19:23,911 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 18:19:23,912 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 18:19:23,912 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 18:19:23,912 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 18:19:23,912 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 18:19:23,912 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 18:19:23,915 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 18:19:23,915 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 18:19:23,915 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 18:19:23,915 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 18:19:23,916 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 18:19:23,916 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 18:19:23,916 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 18:19:23,917 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 18:19:23,917 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 18:19:23,918 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 18:19:23,918 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 18:19:23,918 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 18:19:23,919 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 18:19:23,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 18:19:23,919 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 18:19:23,919 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 18:19:23,919 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 18:19:23,919 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 18:19:23,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 18:19:23,920 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 18:19:23,920 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 18:19:23,920 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 18:19:23,920 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 18:19:23,920 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c7177334f88b94ca4ee99044935e396702561856a6f48616f98f91aafc609bb [2024-11-20 18:19:24,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 18:19:24,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 18:19:24,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 18:19:24,169 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 18:19:24,169 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 18:19:24,170 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/hh2012-ex3.i [2024-11-20 18:19:25,501 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 18:19:25,683 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 18:19:25,684 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/hh2012-ex3.i [2024-11-20 18:19:25,690 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54a9713c9/cb4d1cbab17a42cca0bb1781f7d5a927/FLAG76cc3dd89 [2024-11-20 18:19:25,701 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54a9713c9/cb4d1cbab17a42cca0bb1781f7d5a927 [2024-11-20 18:19:25,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 18:19:25,704 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 18:19:25,705 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 18:19:25,707 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 18:19:25,712 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 18:19:25,713 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:19:25" (1/1) ... [2024-11-20 18:19:25,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ddba678 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:25, skipping insertion in model container [2024-11-20 18:19:25,714 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:19:25" (1/1) ... [2024-11-20 18:19:25,732 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 18:19:25,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 18:19:25,887 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 18:19:25,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 18:19:25,916 INFO L204 MainTranslator]: Completed translation [2024-11-20 18:19:25,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:25 WrapperNode [2024-11-20 18:19:25,917 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 18:19:25,918 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 18:19:25,918 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 18:19:25,918 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 18:19:25,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:25" (1/1) ... [2024-11-20 18:19:25,929 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:25" (1/1) ... [2024-11-20 18:19:25,943 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2024-11-20 18:19:25,943 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 18:19:25,944 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 18:19:25,944 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 18:19:25,944 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 18:19:25,951 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:25" (1/1) ... [2024-11-20 18:19:25,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:25" (1/1) ... [2024-11-20 18:19:25,953 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:25" (1/1) ... [2024-11-20 18:19:25,961 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]. [2024-11-20 18:19:25,962 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:25" (1/1) ... [2024-11-20 18:19:25,962 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:25" (1/1) ... [2024-11-20 18:19:25,964 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:25" (1/1) ... [2024-11-20 18:19:25,966 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:25" (1/1) ... [2024-11-20 18:19:25,967 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:25" (1/1) ... [2024-11-20 18:19:25,968 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:25" (1/1) ... [2024-11-20 18:19:25,969 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 18:19:25,970 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 18:19:25,970 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 18:19:25,970 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 18:19:25,971 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:25" (1/1) ... [2024-11-20 18:19:25,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 18:19:25,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:19:25,996 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) [2024-11-20 18:19:25,999 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 [2024-11-20 18:19:26,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 18:19:26,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 18:19:26,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 18:19:26,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 18:19:26,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 18:19:26,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 18:19:26,083 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 18:19:26,085 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 18:19:26,188 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-20 18:19:26,188 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 18:19:26,198 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 18:19:26,198 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-20 18:19:26,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:19:26 BoogieIcfgContainer [2024-11-20 18:19:26,199 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 18:19:26,201 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 18:19:26,201 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 18:19:26,204 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 18:19:26,204 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:19:25" (1/3) ... [2024-11-20 18:19:26,204 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f80302b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:19:26, skipping insertion in model container [2024-11-20 18:19:26,205 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:25" (2/3) ... [2024-11-20 18:19:26,205 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f80302b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:19:26, skipping insertion in model container [2024-11-20 18:19:26,205 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:19:26" (3/3) ... [2024-11-20 18:19:26,206 INFO L112 eAbstractionObserver]: Analyzing ICFG hh2012-ex3.i [2024-11-20 18:19:26,219 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 18:19:26,219 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-11-20 18:19:26,273 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 18:19:26,280 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;@41160fe0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 18:19:26,283 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-11-20 18:19:26,290 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 25 states have (on average 1.72) internal successors, (43), 38 states have internal predecessors, (43), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 18:19:26,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-20 18:19:26,296 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:19:26,296 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-20 18:19:26,297 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 18:19:26,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:19:26,301 INFO L85 PathProgramCache]: Analyzing trace with hash 28699945, now seen corresponding path program 1 times [2024-11-20 18:19:26,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:19:26,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182180912] [2024-11-20 18:19:26,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:19:26,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:19:26,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:26,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:19:26,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:19:26,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182180912] [2024-11-20 18:19:26,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182180912] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:19:26,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:19:26,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:19:26,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364631474] [2024-11-20 18:19:26,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:19:26,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:19:26,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:19:26,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:19:26,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:19:26,581 INFO L87 Difference]: Start difference. First operand has 47 states, 25 states have (on average 1.72) internal successors, (43), 38 states have internal predecessors, (43), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:19:26,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:19:26,664 INFO L93 Difference]: Finished difference Result 107 states and 157 transitions. [2024-11-20 18:19:26,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:19:26,666 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-20 18:19:26,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:19:26,672 INFO L225 Difference]: With dead ends: 107 [2024-11-20 18:19:26,672 INFO L226 Difference]: Without dead ends: 56 [2024-11-20 18:19:26,675 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:19:26,679 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 9 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:19:26,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 119 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:19:26,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-20 18:19:26,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 44. [2024-11-20 18:19:26,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 23 states have (on average 1.608695652173913) internal successors, (37), 35 states have internal predecessors, (37), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 18:19:26,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 53 transitions. [2024-11-20 18:19:26,711 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 53 transitions. Word has length 5 [2024-11-20 18:19:26,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:19:26,712 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 53 transitions. [2024-11-20 18:19:26,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:19:26,712 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2024-11-20 18:19:26,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-20 18:19:26,713 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:19:26,713 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:19:26,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 18:19:26,713 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 18:19:26,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:19:26,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1810845099, now seen corresponding path program 1 times [2024-11-20 18:19:26,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:19:26,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678426069] [2024-11-20 18:19:26,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:19:26,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:19:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:26,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:19:26,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:19:26,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678426069] [2024-11-20 18:19:26,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678426069] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:19:26,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:19:26,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:19:26,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502678936] [2024-11-20 18:19:26,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:19:26,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:19:26,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:19:26,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:19:26,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:19:26,774 INFO L87 Difference]: Start difference. First operand 44 states and 53 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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) [2024-11-20 18:19:26,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:19:26,827 INFO L93 Difference]: Finished difference Result 89 states and 109 transitions. [2024-11-20 18:19:26,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:19:26,827 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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 [2024-11-20 18:19:26,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:19:26,828 INFO L225 Difference]: With dead ends: 89 [2024-11-20 18:19:26,828 INFO L226 Difference]: Without dead ends: 51 [2024-11-20 18:19:26,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:19:26,829 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 3 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:19:26,830 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 114 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:19:26,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-20 18:19:26,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 49. [2024-11-20 18:19:26,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 39 states have internal predecessors, (43), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 18:19:26,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 59 transitions. [2024-11-20 18:19:26,844 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 59 transitions. Word has length 7 [2024-11-20 18:19:26,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:19:26,844 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 59 transitions. [2024-11-20 18:19:26,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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) [2024-11-20 18:19:26,844 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2024-11-20 18:19:26,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-20 18:19:26,845 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:19:26,845 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:19:26,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 18:19:26,845 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 18:19:26,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:19:26,846 INFO L85 PathProgramCache]: Analyzing trace with hash 383340459, now seen corresponding path program 1 times [2024-11-20 18:19:26,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:19:26,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190249267] [2024-11-20 18:19:26,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:19:26,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:19:26,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:26,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:19:26,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:26,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:19:26,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:26,987 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:19:26,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:19:26,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190249267] [2024-11-20 18:19:26,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190249267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:19:26,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:19:26,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 18:19:26,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026065112] [2024-11-20 18:19:26,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:19:26,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:19:26,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:19:26,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:19:26,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:19:26,993 INFO L87 Difference]: Start difference. First operand 49 states and 59 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 18:19:27,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:19:27,069 INFO L93 Difference]: Finished difference Result 63 states and 77 transitions. [2024-11-20 18:19:27,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:19:27,070 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2024-11-20 18:19:27,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:19:27,071 INFO L225 Difference]: With dead ends: 63 [2024-11-20 18:19:27,071 INFO L226 Difference]: Without dead ends: 61 [2024-11-20 18:19:27,071 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:19:27,077 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 14 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:19:27,078 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 99 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:19:27,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-20 18:19:27,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 51. [2024-11-20 18:19:27,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 29 states have (on average 1.4827586206896552) internal successors, (43), 39 states have internal predecessors, (43), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-20 18:19:27,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 63 transitions. [2024-11-20 18:19:27,084 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 63 transitions. Word has length 19 [2024-11-20 18:19:27,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:19:27,085 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 63 transitions. [2024-11-20 18:19:27,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 18:19:27,085 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2024-11-20 18:19:27,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-20 18:19:27,085 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:19:27,085 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:19:27,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 18:19:27,086 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 18:19:27,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:19:27,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1001347595, now seen corresponding path program 1 times [2024-11-20 18:19:27,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:19:27,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738316897] [2024-11-20 18:19:27,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:19:27,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:19:27,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:27,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:19:27,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:27,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:19:27,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:27,143 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:19:27,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:19:27,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738316897] [2024-11-20 18:19:27,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738316897] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:19:27,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:19:27,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 18:19:27,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376006449] [2024-11-20 18:19:27,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:19:27,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:19:27,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:19:27,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:19:27,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:19:27,145 INFO L87 Difference]: Start difference. First operand 51 states and 63 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 18:19:27,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:19:27,192 INFO L93 Difference]: Finished difference Result 106 states and 132 transitions. [2024-11-20 18:19:27,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:19:27,193 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2024-11-20 18:19:27,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:19:27,194 INFO L225 Difference]: With dead ends: 106 [2024-11-20 18:19:27,194 INFO L226 Difference]: Without dead ends: 61 [2024-11-20 18:19:27,195 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:19:27,196 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 7 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:19:27,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 111 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:19:27,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-20 18:19:27,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 55. [2024-11-20 18:19:27,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 41 states have internal predecessors, (45), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-20 18:19:27,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 69 transitions. [2024-11-20 18:19:27,203 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 69 transitions. Word has length 20 [2024-11-20 18:19:27,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:19:27,203 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 69 transitions. [2024-11-20 18:19:27,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 18:19:27,204 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2024-11-20 18:19:27,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-20 18:19:27,204 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:19:27,205 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:19:27,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 18:19:27,205 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 18:19:27,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:19:27,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1976545669, now seen corresponding path program 1 times [2024-11-20 18:19:27,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:19:27,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031207439] [2024-11-20 18:19:27,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:19:27,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:19:27,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:27,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:19:27,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:27,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:19:27,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:27,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 18:19:27,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:27,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-20 18:19:27,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:27,299 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 18:19:27,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:19:27,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031207439] [2024-11-20 18:19:27,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031207439] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:19:27,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1667427087] [2024-11-20 18:19:27,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:19:27,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:19:27,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:19:27,307 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) [2024-11-20 18:19:27,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 18:19:27,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:27,375 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 18:19:27,383 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:19:27,490 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 18:19:27,491 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:19:27,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1667427087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:19:27,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:19:27,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-20 18:19:27,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496834936] [2024-11-20 18:19:27,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:19:27,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 18:19:27,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:19:27,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 18:19:27,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:19:27,492 INFO L87 Difference]: Start difference. First operand 55 states and 69 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-20 18:19:27,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:19:27,545 INFO L93 Difference]: Finished difference Result 91 states and 123 transitions. [2024-11-20 18:19:27,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:19:27,545 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 32 [2024-11-20 18:19:27,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:19:27,546 INFO L225 Difference]: With dead ends: 91 [2024-11-20 18:19:27,546 INFO L226 Difference]: Without dead ends: 90 [2024-11-20 18:19:27,547 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:19:27,547 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 12 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:19:27,548 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 132 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:19:27,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-11-20 18:19:27,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 75. [2024-11-20 18:19:27,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 43 states have (on average 1.4651162790697674) internal successors, (63), 53 states have internal predecessors, (63), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-20 18:19:27,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 103 transitions. [2024-11-20 18:19:27,562 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 103 transitions. Word has length 32 [2024-11-20 18:19:27,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:19:27,562 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 103 transitions. [2024-11-20 18:19:27,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-20 18:19:27,563 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 103 transitions. [2024-11-20 18:19:27,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-20 18:19:27,563 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:19:27,564 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:19:27,570 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-20 18:19:27,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:19:27,768 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 18:19:27,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:19:27,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1143373541, now seen corresponding path program 1 times [2024-11-20 18:19:27,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:19:27,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183509652] [2024-11-20 18:19:27,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:19:27,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:19:27,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:27,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:19:27,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:27,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:19:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:27,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 18:19:27,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:27,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-20 18:19:27,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:27,842 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 18:19:27,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:19:27,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183509652] [2024-11-20 18:19:27,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183509652] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:19:27,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1544327911] [2024-11-20 18:19:27,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:19:27,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:19:27,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:19:27,845 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) [2024-11-20 18:19:27,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 18:19:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:27,880 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 18:19:27,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:19:27,939 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 18:19:27,939 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:19:28,013 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 18:19:28,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1544327911] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:19:28,014 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:19:28,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-20 18:19:28,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425319678] [2024-11-20 18:19:28,014 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:19:28,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 18:19:28,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:19:28,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 18:19:28,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-20 18:19:28,016 INFO L87 Difference]: Start difference. First operand 75 states and 103 transitions. Second operand has 12 states, 11 states have (on average 3.0) internal successors, (33), 12 states have internal predecessors, (33), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-20 18:19:28,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:19:28,109 INFO L93 Difference]: Finished difference Result 132 states and 190 transitions. [2024-11-20 18:19:28,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 18:19:28,109 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.0) internal successors, (33), 12 states have internal predecessors, (33), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 33 [2024-11-20 18:19:28,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:19:28,111 INFO L225 Difference]: With dead ends: 132 [2024-11-20 18:19:28,112 INFO L226 Difference]: Without dead ends: 131 [2024-11-20 18:19:28,113 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-20 18:19:28,113 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 37 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:19:28,114 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 160 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:19:28,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-20 18:19:28,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 101. [2024-11-20 18:19:28,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 61 states have (on average 1.4918032786885247) internal successors, (91), 71 states have internal predecessors, (91), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-20 18:19:28,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 147 transitions. [2024-11-20 18:19:28,129 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 147 transitions. Word has length 33 [2024-11-20 18:19:28,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:19:28,129 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 147 transitions. [2024-11-20 18:19:28,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.0) internal successors, (33), 12 states have internal predecessors, (33), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-20 18:19:28,130 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 147 transitions. [2024-11-20 18:19:28,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-20 18:19:28,130 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:19:28,130 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:19:28,138 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-20 18:19:28,330 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 [2024-11-20 18:19:28,331 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 18:19:28,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:19:28,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1084841347, now seen corresponding path program 1 times [2024-11-20 18:19:28,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:19:28,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343064880] [2024-11-20 18:19:28,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:19:28,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:19:28,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:28,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:19:28,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:28,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:19:28,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:28,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 18:19:28,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:28,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-20 18:19:28,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:28,387 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 18:19:28,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:19:28,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343064880] [2024-11-20 18:19:28,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343064880] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:19:28,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [331404270] [2024-11-20 18:19:28,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:19:28,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:19:28,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:19:28,390 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) [2024-11-20 18:19:28,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 18:19:28,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:28,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 18:19:28,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:19:28,456 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 18:19:28,456 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:19:28,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [331404270] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:19:28,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:19:28,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-20 18:19:28,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781119242] [2024-11-20 18:19:28,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:19:28,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 18:19:28,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:19:28,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 18:19:28,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:19:28,458 INFO L87 Difference]: Start difference. First operand 101 states and 147 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-20 18:19:28,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:19:28,504 INFO L93 Difference]: Finished difference Result 102 states and 147 transitions. [2024-11-20 18:19:28,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:19:28,505 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 34 [2024-11-20 18:19:28,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:19:28,508 INFO L225 Difference]: With dead ends: 102 [2024-11-20 18:19:28,508 INFO L226 Difference]: Without dead ends: 100 [2024-11-20 18:19:28,508 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:19:28,508 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 17 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:19:28,509 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 67 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:19:28,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-20 18:19:28,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 99. [2024-11-20 18:19:28,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 61 states have (on average 1.360655737704918) internal successors, (83), 69 states have internal predecessors, (83), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-20 18:19:28,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 139 transitions. [2024-11-20 18:19:28,524 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 139 transitions. Word has length 34 [2024-11-20 18:19:28,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:19:28,525 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 139 transitions. [2024-11-20 18:19:28,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-20 18:19:28,525 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 139 transitions. [2024-11-20 18:19:28,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-20 18:19:28,525 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:19:28,526 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:19:28,532 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-20 18:19:28,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:19:28,727 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 18:19:28,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:19:28,727 INFO L85 PathProgramCache]: Analyzing trace with hash 729656669, now seen corresponding path program 1 times [2024-11-20 18:19:28,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:19:28,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195964658] [2024-11-20 18:19:28,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:19:28,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:19:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:28,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:19:28,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:28,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:19:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:28,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 18:19:28,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:28,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-20 18:19:28,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:28,771 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-20 18:19:28,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:19:28,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195964658] [2024-11-20 18:19:28,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195964658] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:19:28,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:19:28,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:19:28,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047778770] [2024-11-20 18:19:28,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:19:28,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:19:28,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:19:28,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:19:28,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:19:28,772 INFO L87 Difference]: Start difference. First operand 99 states and 139 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-20 18:19:28,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:19:28,796 INFO L93 Difference]: Finished difference Result 99 states and 139 transitions. [2024-11-20 18:19:28,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:19:28,797 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 35 [2024-11-20 18:19:28,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:19:28,798 INFO L225 Difference]: With dead ends: 99 [2024-11-20 18:19:28,798 INFO L226 Difference]: Without dead ends: 98 [2024-11-20 18:19:28,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:19:28,798 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 2 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:19:28,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 99 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:19:28,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-20 18:19:28,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-11-20 18:19:28,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 61 states have (on average 1.2950819672131149) internal successors, (79), 68 states have internal predecessors, (79), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-20 18:19:28,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 135 transitions. [2024-11-20 18:19:28,814 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 135 transitions. Word has length 35 [2024-11-20 18:19:28,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:19:28,814 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 135 transitions. [2024-11-20 18:19:28,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-20 18:19:28,815 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 135 transitions. [2024-11-20 18:19:28,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-20 18:19:28,815 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:19:28,815 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:19:28,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 18:19:28,815 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 18:19:28,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:19:28,816 INFO L85 PathProgramCache]: Analyzing trace with hash 2120300131, now seen corresponding path program 1 times [2024-11-20 18:19:28,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:19:28,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404588953] [2024-11-20 18:19:28,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:19:28,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:19:28,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:28,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:19:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:28,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:19:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:28,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 18:19:28,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:28,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-20 18:19:28,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:28,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 18:19:28,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:28,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 18:19:28,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:28,899 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-20 18:19:28,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:19:28,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404588953] [2024-11-20 18:19:28,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404588953] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:19:28,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [443271790] [2024-11-20 18:19:28,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:19:28,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:19:28,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:19:28,902 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) [2024-11-20 18:19:28,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-20 18:19:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:28,935 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-20 18:19:28,936 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:19:28,981 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-20 18:19:28,981 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:19:29,058 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-20 18:19:29,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [443271790] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:19:29,059 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:19:29,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-11-20 18:19:29,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271691044] [2024-11-20 18:19:29,060 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:19:29,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-20 18:19:29,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:19:29,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-20 18:19:29,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-11-20 18:19:29,062 INFO L87 Difference]: Start difference. First operand 98 states and 135 transitions. Second operand has 14 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 14 states have internal predecessors, (41), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-20 18:19:29,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:19:29,159 INFO L93 Difference]: Finished difference Result 159 states and 216 transitions. [2024-11-20 18:19:29,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 18:19:29,160 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 14 states have internal predecessors, (41), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 47 [2024-11-20 18:19:29,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:19:29,161 INFO L225 Difference]: With dead ends: 159 [2024-11-20 18:19:29,161 INFO L226 Difference]: Without dead ends: 111 [2024-11-20 18:19:29,174 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-11-20 18:19:29,175 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 17 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:19:29,176 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 174 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:19:29,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-20 18:19:29,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 105. [2024-11-20 18:19:29,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 66 states have (on average 1.1818181818181819) internal successors, (78), 71 states have internal predecessors, (78), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-20 18:19:29,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 142 transitions. [2024-11-20 18:19:29,188 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 142 transitions. Word has length 47 [2024-11-20 18:19:29,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:19:29,188 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 142 transitions. [2024-11-20 18:19:29,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 14 states have internal predecessors, (41), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-20 18:19:29,189 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 142 transitions. [2024-11-20 18:19:29,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-20 18:19:29,190 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:19:29,190 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:19:29,200 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-20 18:19:29,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:19:29,392 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 18:19:29,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:19:29,393 INFO L85 PathProgramCache]: Analyzing trace with hash -534868754, now seen corresponding path program 1 times [2024-11-20 18:19:29,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:19:29,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738186201] [2024-11-20 18:19:29,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:19:29,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:19:29,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:29,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:19:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:29,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:19:29,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:29,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 18:19:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:29,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-20 18:19:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:29,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 18:19:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:29,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 18:19:29,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:29,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 18:19:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:29,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-20 18:19:29,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:29,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 18:19:29,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:29,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 18:19:29,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:29,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 18:19:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:29,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 18:19:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:29,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 18:19:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:29,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 18:19:29,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:29,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-20 18:19:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:29,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 18:19:29,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:29,615 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-20 18:19:29,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:19:29,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738186201] [2024-11-20 18:19:29,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738186201] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:19:29,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463875476] [2024-11-20 18:19:29,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:19:29,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:19:29,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:19:29,618 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) [2024-11-20 18:19:29,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-20 18:19:29,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:29,666 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-20 18:19:29,669 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:19:29,739 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 192 proven. 36 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-20 18:19:29,739 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:19:29,867 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-20 18:19:29,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1463875476] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:19:29,871 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:19:29,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 11 [2024-11-20 18:19:29,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531926879] [2024-11-20 18:19:29,871 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:19:29,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 18:19:29,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:19:29,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 18:19:29,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-20 18:19:29,872 INFO L87 Difference]: Start difference. First operand 105 states and 142 transitions. Second operand has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 4 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-20 18:19:29,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:19:29,933 INFO L93 Difference]: Finished difference Result 175 states and 233 transitions. [2024-11-20 18:19:29,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 18:19:29,934 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 4 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) Word has length 108 [2024-11-20 18:19:29,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:19:29,935 INFO L225 Difference]: With dead ends: 175 [2024-11-20 18:19:29,935 INFO L226 Difference]: Without dead ends: 120 [2024-11-20 18:19:29,935 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 239 SyntacticMatches, 7 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-20 18:19:29,936 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 11 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:19:29,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 159 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:19:29,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-20 18:19:29,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 116. [2024-11-20 18:19:29,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 73 states have (on average 1.178082191780822) internal successors, (86), 78 states have internal predecessors, (86), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-20 18:19:29,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 158 transitions. [2024-11-20 18:19:29,942 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 158 transitions. Word has length 108 [2024-11-20 18:19:29,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:19:29,943 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 158 transitions. [2024-11-20 18:19:29,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 4 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-20 18:19:29,943 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 158 transitions. [2024-11-20 18:19:29,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-20 18:19:29,944 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:19:29,944 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1] [2024-11-20 18:19:29,950 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-20 18:19:30,144 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,SelfDestructingSolverStorable9 [2024-11-20 18:19:30,145 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 18:19:30,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:19:30,146 INFO L85 PathProgramCache]: Analyzing trace with hash 2059042477, now seen corresponding path program 2 times [2024-11-20 18:19:30,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:19:30,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682083842] [2024-11-20 18:19:30,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:19:30,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:19:30,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:30,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:19:30,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:30,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:19:30,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:30,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 18:19:30,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:30,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-20 18:19:30,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:30,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 18:19:30,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:30,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 18:19:30,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:30,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 18:19:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:30,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-20 18:19:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:30,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 18:19:30,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:30,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 18:19:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:30,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 18:19:30,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:30,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 18:19:30,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:30,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 18:19:30,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:30,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 18:19:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:30,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 18:19:30,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:30,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 18:19:30,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:30,365 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-20 18:19:30,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:19:30,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682083842] [2024-11-20 18:19:30,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682083842] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:19:30,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [718422372] [2024-11-20 18:19:30,365 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 18:19:30,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:19:30,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:19:30,367 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) [2024-11-20 18:19:30,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-20 18:19:30,408 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 18:19:30,408 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:19:30,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-20 18:19:30,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:19:30,471 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-20 18:19:30,471 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:19:30,644 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-20 18:19:30,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [718422372] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:19:30,645 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:19:30,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23 [2024-11-20 18:19:30,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602781637] [2024-11-20 18:19:30,645 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:19:30,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-20 18:19:30,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:19:30,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-20 18:19:30,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-11-20 18:19:30,647 INFO L87 Difference]: Start difference. First operand 116 states and 158 transitions. Second operand has 24 states, 23 states have (on average 3.260869565217391) internal successors, (75), 24 states have internal predecessors, (75), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) [2024-11-20 18:19:30,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:19:30,821 INFO L93 Difference]: Finished difference Result 278 states and 426 transitions. [2024-11-20 18:19:30,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-20 18:19:30,822 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 3.260869565217391) internal successors, (75), 24 states have internal predecessors, (75), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) Word has length 114 [2024-11-20 18:19:30,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:19:30,824 INFO L225 Difference]: With dead ends: 278 [2024-11-20 18:19:30,824 INFO L226 Difference]: Without dead ends: 277 [2024-11-20 18:19:30,824 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-11-20 18:19:30,825 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 106 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:19:30,825 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 222 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:19:30,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-20 18:19:30,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 217. [2024-11-20 18:19:30,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 138 states have (on average 1.181159420289855) internal successors, (163), 143 states have internal predecessors, (163), 72 states have call successors, (72), 1 states have call predecessors, (72), 1 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-20 18:19:30,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 307 transitions. [2024-11-20 18:19:30,837 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 307 transitions. Word has length 114 [2024-11-20 18:19:30,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:19:30,838 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 307 transitions. [2024-11-20 18:19:30,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 3.260869565217391) internal successors, (75), 24 states have internal predecessors, (75), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) [2024-11-20 18:19:30,838 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 307 transitions. [2024-11-20 18:19:30,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-20 18:19:30,839 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:19:30,839 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:19:30,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-20 18:19:31,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:19:31,041 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 18:19:31,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:19:31,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1784005468, now seen corresponding path program 2 times [2024-11-20 18:19:31,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:19:31,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127037650] [2024-11-20 18:19:31,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:19:31,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:19:31,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:31,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:19:31,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:31,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:19:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:31,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 18:19:31,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:31,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-20 18:19:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:31,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 18:19:31,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:31,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 18:19:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:31,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 18:19:31,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:31,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-20 18:19:31,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:31,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 18:19:31,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:31,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 18:19:31,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:31,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 18:19:31,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:31,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 18:19:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:31,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 18:19:31,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:31,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 18:19:31,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:31,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 18:19:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:31,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 18:19:31,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:31,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-20 18:19:31,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:31,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 18:19:31,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:31,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-20 18:19:31,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:31,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-20 18:19:31,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:31,289 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 814 trivial. 0 not checked. [2024-11-20 18:19:31,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:19:31,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127037650] [2024-11-20 18:19:31,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127037650] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:19:31,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565184080] [2024-11-20 18:19:31,290 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 18:19:31,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:19:31,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:19:31,292 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) [2024-11-20 18:19:31,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-20 18:19:31,337 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 18:19:31,337 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:19:31,338 INFO L255 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-20 18:19:31,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:19:31,487 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-20 18:19:31,488 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:19:31,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1565184080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:19:31,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:19:31,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [8] total 18 [2024-11-20 18:19:31,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795259007] [2024-11-20 18:19:31,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:19:31,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 18:19:31,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:19:31,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 18:19:31,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2024-11-20 18:19:31,493 INFO L87 Difference]: Start difference. First operand 217 states and 307 transitions. Second operand has 12 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 12 states have internal predecessors, (38), 5 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20) [2024-11-20 18:19:31,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:19:31,599 INFO L93 Difference]: Finished difference Result 229 states and 325 transitions. [2024-11-20 18:19:31,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 18:19:31,600 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 12 states have internal predecessors, (38), 5 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20) Word has length 135 [2024-11-20 18:19:31,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:19:31,601 INFO L225 Difference]: With dead ends: 229 [2024-11-20 18:19:31,601 INFO L226 Difference]: Without dead ends: 227 [2024-11-20 18:19:31,602 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2024-11-20 18:19:31,602 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 9 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:19:31,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 317 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:19:31,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2024-11-20 18:19:31,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 226. [2024-11-20 18:19:31,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 143 states have (on average 1.1818181818181819) internal successors, (169), 148 states have internal predecessors, (169), 76 states have call successors, (76), 1 states have call predecessors, (76), 1 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-20 18:19:31,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 321 transitions. [2024-11-20 18:19:31,617 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 321 transitions. Word has length 135 [2024-11-20 18:19:31,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:19:31,617 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 321 transitions. [2024-11-20 18:19:31,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 12 states have internal predecessors, (38), 5 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20) [2024-11-20 18:19:31,617 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 321 transitions. [2024-11-20 18:19:31,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-20 18:19:31,618 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:19:31,618 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:19:31,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-20 18:19:31,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:19:31,819 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 18:19:31,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:19:31,820 INFO L85 PathProgramCache]: Analyzing trace with hash -530405259, now seen corresponding path program 1 times [2024-11-20 18:19:31,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:19:31,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319909036] [2024-11-20 18:19:31,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:19:31,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:19:31,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:31,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:19:31,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:31,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:19:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:31,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 18:19:31,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:31,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-20 18:19:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:31,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 18:19:31,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:31,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 18:19:31,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:31,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 18:19:31,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:31,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-20 18:19:31,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:31,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 18:19:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:31,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 18:19:31,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:31,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 18:19:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:31,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 18:19:31,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:31,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 18:19:31,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:31,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 18:19:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:31,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 18:19:31,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:31,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 18:19:31,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:31,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-20 18:19:31,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:31,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 18:19:31,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:31,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-20 18:19:31,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:31,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-20 18:19:31,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:31,973 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-20 18:19:31,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:19:31,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319909036] [2024-11-20 18:19:31,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319909036] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:19:31,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17166444] [2024-11-20 18:19:31,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:19:31,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:19:31,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:19:31,979 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) [2024-11-20 18:19:31,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-20 18:19:32,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:32,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-20 18:19:32,028 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:19:32,152 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-20 18:19:32,152 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:19:32,397 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-20 18:19:32,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [17166444] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:19:32,398 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:19:32,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2024-11-20 18:19:32,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807786217] [2024-11-20 18:19:32,398 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:19:32,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-20 18:19:32,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:19:32,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-20 18:19:32,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=453, Unknown=0, NotChecked=0, Total=600 [2024-11-20 18:19:32,401 INFO L87 Difference]: Start difference. First operand 226 states and 321 transitions. Second operand has 25 states, 24 states have (on average 3.5) internal successors, (84), 25 states have internal predecessors, (84), 11 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 11 states have call predecessors, (44), 11 states have call successors, (44) [2024-11-20 18:19:32,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:19:32,668 INFO L93 Difference]: Finished difference Result 272 states and 387 transitions. [2024-11-20 18:19:32,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-20 18:19:32,669 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.5) internal successors, (84), 25 states have internal predecessors, (84), 11 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 11 states have call predecessors, (44), 11 states have call successors, (44) Word has length 136 [2024-11-20 18:19:32,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:19:32,671 INFO L225 Difference]: With dead ends: 272 [2024-11-20 18:19:32,671 INFO L226 Difference]: Without dead ends: 270 [2024-11-20 18:19:32,671 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=199, Invalid=613, Unknown=0, NotChecked=0, Total=812 [2024-11-20 18:19:32,672 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 36 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:19:32,673 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 224 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:19:32,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-11-20 18:19:32,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 235. [2024-11-20 18:19:32,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 149 states have (on average 1.1610738255033557) internal successors, (173), 153 states have internal predecessors, (173), 80 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-20 18:19:32,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 333 transitions. [2024-11-20 18:19:32,693 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 333 transitions. Word has length 136 [2024-11-20 18:19:32,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:19:32,693 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 333 transitions. [2024-11-20 18:19:32,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.5) internal successors, (84), 25 states have internal predecessors, (84), 11 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 11 states have call predecessors, (44), 11 states have call successors, (44) [2024-11-20 18:19:32,694 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 333 transitions. [2024-11-20 18:19:32,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-20 18:19:32,695 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:19:32,695 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:19:32,705 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-20 18:19:32,896 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,SelfDestructingSolverStorable12 [2024-11-20 18:19:32,897 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 18:19:32,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:19:32,897 INFO L85 PathProgramCache]: Analyzing trace with hash -2023343308, now seen corresponding path program 1 times [2024-11-20 18:19:32,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:19:32,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337433144] [2024-11-20 18:19:32,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:19:32,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:19:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:33,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:19:33,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:33,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:19:33,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:33,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 18:19:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:33,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-20 18:19:33,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:33,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 18:19:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:33,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 18:19:33,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:33,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 18:19:33,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:33,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-20 18:19:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:33,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 18:19:33,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:33,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 18:19:33,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:33,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 18:19:33,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:33,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 18:19:33,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:33,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 18:19:33,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:33,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 18:19:33,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:33,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 18:19:33,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:33,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 18:19:33,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:33,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-20 18:19:33,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:33,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 18:19:33,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:33,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-20 18:19:33,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:33,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-20 18:19:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:33,166 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 814 trivial. 0 not checked. [2024-11-20 18:19:33,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:19:33,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337433144] [2024-11-20 18:19:33,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337433144] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:19:33,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [660559704] [2024-11-20 18:19:33,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:19:33,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:19:33,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:19:33,169 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) [2024-11-20 18:19:33,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-20 18:19:33,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:33,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-20 18:19:33,221 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:19:33,397 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 70 proven. 10 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-20 18:19:33,398 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:19:33,643 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 60 proven. 20 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-20 18:19:33,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [660559704] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:19:33,644 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:19:33,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13, 13] total 32 [2024-11-20 18:19:33,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634100618] [2024-11-20 18:19:33,644 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:19:33,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-20 18:19:33,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:19:33,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-20 18:19:33,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=831, Unknown=0, NotChecked=0, Total=1056 [2024-11-20 18:19:33,646 INFO L87 Difference]: Start difference. First operand 235 states and 333 transitions. Second operand has 33 states, 32 states have (on average 3.34375) internal successors, (107), 33 states have internal predecessors, (107), 11 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 11 states have call predecessors, (48), 11 states have call successors, (48) [2024-11-20 18:19:33,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:19:33,972 INFO L93 Difference]: Finished difference Result 235 states and 333 transitions. [2024-11-20 18:19:33,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-20 18:19:33,973 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 3.34375) internal successors, (107), 33 states have internal predecessors, (107), 11 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 11 states have call predecessors, (48), 11 states have call successors, (48) Word has length 141 [2024-11-20 18:19:33,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:19:33,974 INFO L225 Difference]: With dead ends: 235 [2024-11-20 18:19:33,974 INFO L226 Difference]: Without dead ends: 232 [2024-11-20 18:19:33,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=394, Invalid=1498, Unknown=0, NotChecked=0, Total=1892 [2024-11-20 18:19:33,975 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 0 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:19:33,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 345 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:19:33,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-20 18:19:33,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 177. [2024-11-20 18:19:33,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 114 states have (on average 1.0789473684210527) internal successors, (123), 115 states have internal predecessors, (123), 60 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-20 18:19:33,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 243 transitions. [2024-11-20 18:19:33,986 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 243 transitions. Word has length 141 [2024-11-20 18:19:33,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:19:33,986 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 243 transitions. [2024-11-20 18:19:33,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 3.34375) internal successors, (107), 33 states have internal predecessors, (107), 11 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 11 states have call predecessors, (48), 11 states have call successors, (48) [2024-11-20 18:19:33,987 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 243 transitions. [2024-11-20 18:19:33,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-20 18:19:33,988 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:19:33,988 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:19:33,997 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-20 18:19:34,192 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,SelfDestructingSolverStorable13 [2024-11-20 18:19:34,193 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 18:19:34,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:19:34,193 INFO L85 PathProgramCache]: Analyzing trace with hash 2023041925, now seen corresponding path program 1 times [2024-11-20 18:19:34,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:19:34,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355494296] [2024-11-20 18:19:34,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:19:34,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:19:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:34,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:19:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:34,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:19:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:34,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 18:19:34,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:34,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-20 18:19:34,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:34,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 18:19:34,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:34,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 18:19:34,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:34,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 18:19:34,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:34,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-20 18:19:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:34,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 18:19:34,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:34,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 18:19:34,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:34,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 18:19:34,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:34,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 18:19:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:34,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 18:19:34,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:34,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 18:19:34,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:34,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 18:19:34,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:34,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 18:19:34,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:34,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 18:19:34,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:34,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 18:19:34,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:34,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 18:19:34,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:34,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 18:19:34,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:34,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 18:19:34,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:34,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 18:19:34,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:34,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 18:19:34,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:34,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 18:19:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:34,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1219 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-20 18:19:34,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:19:34,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355494296] [2024-11-20 18:19:34,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355494296] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:19:34,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263295757] [2024-11-20 18:19:34,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:19:34,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:19:34,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:19:34,387 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) [2024-11-20 18:19:34,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-20 18:19:34,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:34,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-20 18:19:34,447 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:19:34,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1219 backedges. 627 proven. 0 refuted. 0 times theorem prover too weak. 592 trivial. 0 not checked. [2024-11-20 18:19:34,569 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:19:34,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1263295757] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:19:34,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:19:34,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [13] total 23 [2024-11-20 18:19:34,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237441980] [2024-11-20 18:19:34,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:19:34,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 18:19:34,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:19:34,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 18:19:34,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=422, Unknown=0, NotChecked=0, Total=506 [2024-11-20 18:19:34,570 INFO L87 Difference]: Start difference. First operand 177 states and 243 transitions. Second operand has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 5 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) [2024-11-20 18:19:34,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:19:34,650 INFO L93 Difference]: Finished difference Result 238 states and 324 transitions. [2024-11-20 18:19:34,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 18:19:34,651 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 5 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) Word has length 165 [2024-11-20 18:19:34,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:19:34,652 INFO L225 Difference]: With dead ends: 238 [2024-11-20 18:19:34,652 INFO L226 Difference]: Without dead ends: 119 [2024-11-20 18:19:34,653 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=422, Unknown=0, NotChecked=0, Total=506 [2024-11-20 18:19:34,653 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 12 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:19:34,653 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 180 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:19:34,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-20 18:19:34,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2024-11-20 18:19:34,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 77 states have (on average 1.0129870129870129) internal successors, (78), 77 states have internal predecessors, (78), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-20 18:19:34,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 158 transitions. [2024-11-20 18:19:34,660 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 158 transitions. Word has length 165 [2024-11-20 18:19:34,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:19:34,661 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 158 transitions. [2024-11-20 18:19:34,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 5 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) [2024-11-20 18:19:34,661 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 158 transitions. [2024-11-20 18:19:34,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-11-20 18:19:34,663 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:19:34,663 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-20 18:19:34,669 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-20 18:19:34,863 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,SelfDestructingSolverStorable14 [2024-11-20 18:19:34,864 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 18:19:34,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:19:34,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1766709868, now seen corresponding path program 1 times [2024-11-20 18:19:34,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:19:34,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226817442] [2024-11-20 18:19:34,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:19:34,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:19:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:35,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:19:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:35,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:19:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:35,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 18:19:35,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:35,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-20 18:19:35,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:35,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 18:19:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:35,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 18:19:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:35,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 18:19:35,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:35,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-20 18:19:35,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:35,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 18:19:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:35,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 18:19:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:35,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 18:19:35,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:35,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 18:19:35,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:35,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 18:19:35,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:35,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 18:19:35,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:35,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 18:19:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:35,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 18:19:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:35,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-20 18:19:35,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:35,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 18:19:35,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:35,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-20 18:19:35,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:35,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-20 18:19:35,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:35,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 18:19:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:35,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 18:19:35,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:35,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 18:19:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:35,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 18:19:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:35,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 18:19:35,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:35,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 18:19:35,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:35,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 18:19:35,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:35,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-20 18:19:35,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:35,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 18:19:35,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:35,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 18:19:35,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:35,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-20 18:19:35,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:35,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-20 18:19:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:35,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-20 18:19:35,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:35,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 18:19:35,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:35,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-20 18:19:35,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:35,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-20 18:19:35,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:35,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-20 18:19:35,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:35,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-20 18:19:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:35,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-20 18:19:35,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:35,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 18:19:35,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:35,290 INFO L134 CoverageAnalysis]: Checked inductivity of 3456 backedges. 0 proven. 282 refuted. 0 times theorem prover too weak. 3174 trivial. 0 not checked. [2024-11-20 18:19:35,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:19:35,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226817442] [2024-11-20 18:19:35,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226817442] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:19:35,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1913610680] [2024-11-20 18:19:35,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:19:35,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:19:35,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:19:35,292 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) [2024-11-20 18:19:35,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-20 18:19:35,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:19:35,362 INFO L255 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-20 18:19:35,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:19:35,534 INFO L134 CoverageAnalysis]: Checked inductivity of 3456 backedges. 36 proven. 266 refuted. 0 times theorem prover too weak. 3154 trivial. 0 not checked. [2024-11-20 18:19:35,534 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:19:35,911 INFO L134 CoverageAnalysis]: Checked inductivity of 3456 backedges. 36 proven. 266 refuted. 0 times theorem prover too weak. 3154 trivial. 0 not checked. [2024-11-20 18:19:35,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1913610680] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:19:35,911 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:19:35,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 14, 14] total 35 [2024-11-20 18:19:35,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828437407] [2024-11-20 18:19:35,911 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:19:35,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-20 18:19:35,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:19:35,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-20 18:19:35,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=261, Invalid=999, Unknown=0, NotChecked=0, Total=1260 [2024-11-20 18:19:35,913 INFO L87 Difference]: Start difference. First operand 119 states and 158 transitions. Second operand has 36 states, 35 states have (on average 3.8857142857142857) internal successors, (136), 36 states have internal predecessors, (136), 16 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 16 states have call predecessors, (68), 16 states have call successors, (68) [2024-11-20 18:19:36,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:19:36,293 INFO L93 Difference]: Finished difference Result 231 states and 312 transitions. [2024-11-20 18:19:36,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-20 18:19:36,293 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 35 states have (on average 3.8857142857142857) internal successors, (136), 36 states have internal predecessors, (136), 16 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 16 states have call predecessors, (68), 16 states have call successors, (68) Word has length 274 [2024-11-20 18:19:36,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:19:36,295 INFO L225 Difference]: With dead ends: 231 [2024-11-20 18:19:36,295 INFO L226 Difference]: Without dead ends: 0 [2024-11-20 18:19:36,296 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 666 GetRequests, 617 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 676 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=508, Invalid=2042, Unknown=0, NotChecked=0, Total=2550 [2024-11-20 18:19:36,297 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 27 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:19:36,297 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 165 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:19:36,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-20 18:19:36,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-20 18:19:36,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:19:36,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-20 18:19:36,298 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 274 [2024-11-20 18:19:36,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:19:36,298 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-20 18:19:36,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 35 states have (on average 3.8857142857142857) internal successors, (136), 36 states have internal predecessors, (136), 16 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 16 states have call predecessors, (68), 16 states have call successors, (68) [2024-11-20 18:19:36,298 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-20 18:19:36,298 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-20 18:19:36,301 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2024-11-20 18:19:36,302 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2024-11-20 18:19:36,302 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2024-11-20 18:19:36,302 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2024-11-20 18:19:36,302 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2024-11-20 18:19:36,302 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2024-11-20 18:19:36,302 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2024-11-20 18:19:36,302 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2024-11-20 18:19:36,303 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2024-11-20 18:19:36,303 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2024-11-20 18:19:36,303 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2024-11-20 18:19:36,303 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2024-11-20 18:19:36,309 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-20 18:19:36,504 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,SelfDestructingSolverStorable15 [2024-11-20 18:19:36,507 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:19:36,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-20 18:19:37,354 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 18:19:37,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:19:37 BoogieIcfgContainer [2024-11-20 18:19:37,374 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 18:19:37,375 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 18:19:37,375 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 18:19:37,375 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 18:19:37,375 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:19:26" (3/4) ... [2024-11-20 18:19:37,377 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-20 18:19:37,381 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-20 18:19:37,385 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-20 18:19:37,385 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-20 18:19:37,385 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-20 18:19:37,385 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-20 18:19:37,462 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 18:19:37,462 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-20 18:19:37,462 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 18:19:37,463 INFO L158 Benchmark]: Toolchain (without parser) took 11758.97ms. Allocated memory was 201.3MB in the beginning and 318.8MB in the end (delta: 117.4MB). Free memory was 164.2MB in the beginning and 125.3MB in the end (delta: 38.9MB). Peak memory consumption was 156.2MB. Max. memory is 16.1GB. [2024-11-20 18:19:37,463 INFO L158 Benchmark]: CDTParser took 0.73ms. Allocated memory is still 117.4MB. Free memory is still 90.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 18:19:37,463 INFO L158 Benchmark]: CACSL2BoogieTranslator took 212.26ms. Allocated memory is still 201.3MB. Free memory was 164.2MB in the beginning and 151.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-20 18:19:37,463 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.56ms. Allocated memory is still 201.3MB. Free memory was 151.6MB in the beginning and 150.7MB in the end (delta: 926.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 18:19:37,464 INFO L158 Benchmark]: Boogie Preprocessor took 25.19ms. Allocated memory is still 201.3MB. Free memory was 150.7MB in the beginning and 148.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 18:19:37,464 INFO L158 Benchmark]: RCFGBuilder took 229.50ms. Allocated memory is still 201.3MB. Free memory was 148.6MB in the beginning and 136.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-20 18:19:37,465 INFO L158 Benchmark]: TraceAbstraction took 11173.43ms. Allocated memory was 201.3MB in the beginning and 318.8MB in the end (delta: 117.4MB). Free memory was 135.8MB in the beginning and 130.6MB in the end (delta: 5.2MB). Peak memory consumption was 152.0MB. Max. memory is 16.1GB. [2024-11-20 18:19:37,465 INFO L158 Benchmark]: Witness Printer took 87.76ms. Allocated memory is still 318.8MB. Free memory was 130.6MB in the beginning and 125.3MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-20 18:19:37,466 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73ms. Allocated memory is still 117.4MB. Free memory is still 90.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 212.26ms. Allocated memory is still 201.3MB. Free memory was 164.2MB in the beginning and 151.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.56ms. Allocated memory is still 201.3MB. Free memory was 151.6MB in the beginning and 150.7MB in the end (delta: 926.9kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.19ms. Allocated memory is still 201.3MB. Free memory was 150.7MB in the beginning and 148.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 229.50ms. Allocated memory is still 201.3MB. Free memory was 148.6MB in the beginning and 136.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 11173.43ms. Allocated memory was 201.3MB in the beginning and 318.8MB in the end (delta: 117.4MB). Free memory was 135.8MB in the beginning and 130.6MB in the end (delta: 5.2MB). Peak memory consumption was 152.0MB. Max. memory is 16.1GB. * Witness Printer took 87.76ms. Allocated memory is still 318.8MB. Free memory was 130.6MB in the beginning and 125.3MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 10.3s, OverallIterations: 16, TraceHistogramMax: 40, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 393 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 319 mSDsluCounter, 2687 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2092 mSDsCounter, 133 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2317 IncrementalHoareTripleChecker+Invalid, 2450 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 133 mSolverCounterUnsat, 595 mSDtfsCounter, 2317 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2587 GetRequests, 2347 SyntacticMatches, 7 SemanticMatches, 233 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1889 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=235occurred in iteration=13, InterpolantAutomatonStates: 180, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 16 MinimizatonAttempts, 237 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 2524 NumberOfCodeBlocks, 2524 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 3343 ConstructedInterpolants, 0 QuantifiedInterpolants, 6523 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2442 ConjunctsInSsa, 106 ConjunctsInUnsatCore, 34 InterpolantComputations, 9 PerfectInterpolantSequences, 21536/23131 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: ((i == 0) || ((1 <= i) && (i <= 2147483646))) - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: (((((((((i == 1) && (j == 1)) || ((2 == j) && (2 == i))) || (((3 == j) && (i <= 2147483643)) && (j <= i))) || ((i == 0) && (j == 0))) || (((1 <= i) && (i <= 3)) && (j == 0))) || (((i <= 4) && (2 <= i)) && (j == 1))) || ((((i <= 2147483644) && (j <= 2147483643)) && (4 <= j)) && (j <= i))) || (((2 == j) && (3 <= i)) && (i <= 5))) RESULT: Ultimate proved your program to be correct! [2024-11-20 18:19:37,492 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE