./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/loop-invgen/nested9.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f 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 ../sv-benchmarks/c/loop-invgen/nested9.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 f3ca1fd1ad8fdbcd9efe7b99bc6e3715231417d253ce4ee9bba3d5969472333a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 22:20:23,816 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 22:20:23,877 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-22 22:20:23,882 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 22:20:23,883 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 22:20:23,914 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 22:20:23,915 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 22:20:23,915 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 22:20:23,916 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 22:20:23,918 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 22:20:23,918 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 22:20:23,919 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 22:20:23,919 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 22:20:23,919 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 22:20:23,919 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 22:20:23,920 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 22:20:23,921 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 22:20:23,921 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 22:20:23,921 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 22:20:23,921 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 22:20:23,921 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 22:20:23,922 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 22:20:23,922 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 22:20:23,922 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 22:20:23,922 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 22:20:23,922 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-22 22:20:23,922 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 22:20:23,923 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 22:20:23,923 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 22:20:23,923 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 22:20:23,923 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 22:20:23,923 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 22:20:23,924 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 22:20:23,924 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 22:20:23,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:20:23,924 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 22:20:23,924 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 22:20:23,924 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 22:20:23,924 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 22:20:23,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 22:20:23,925 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 22:20:23,925 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 22:20:23,926 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 22:20:23,926 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 22:20:23,926 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3ca1fd1ad8fdbcd9efe7b99bc6e3715231417d253ce4ee9bba3d5969472333a [2024-11-22 22:20:24,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 22:20:24,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 22:20:24,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 22:20:24,134 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 22:20:24,135 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 22:20:24,136 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/nested9.i [2024-11-22 22:20:25,322 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 22:20:25,476 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 22:20:25,477 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/nested9.i [2024-11-22 22:20:25,482 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cec9447f5/278f9d0db51b4425b31808f950c9ff9c/FLAGf92aa336a [2024-11-22 22:20:25,497 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cec9447f5/278f9d0db51b4425b31808f950c9ff9c [2024-11-22 22:20:25,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 22:20:25,500 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 22:20:25,503 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 22:20:25,504 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 22:20:25,508 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 22:20:25,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:20:25" (1/1) ... [2024-11-22 22:20:25,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77798a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:20:25, skipping insertion in model container [2024-11-22 22:20:25,511 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:20:25" (1/1) ... [2024-11-22 22:20:25,530 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 22:20:25,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:20:25,692 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 22:20:25,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:20:25,717 INFO L204 MainTranslator]: Completed translation [2024-11-22 22:20:25,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:20:25 WrapperNode [2024-11-22 22:20:25,717 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 22:20:25,718 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 22:20:25,718 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 22:20:25,718 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 22:20:25,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:20:25" (1/1) ... [2024-11-22 22:20:25,739 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:20:25" (1/1) ... [2024-11-22 22:20:25,753 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 92 [2024-11-22 22:20:25,753 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 22:20:25,753 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 22:20:25,753 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 22:20:25,754 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 22:20:25,771 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:20:25" (1/1) ... [2024-11-22 22:20:25,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:20:25" (1/1) ... [2024-11-22 22:20:25,772 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:20:25" (1/1) ... [2024-11-22 22:20:25,780 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]. [2024-11-22 22:20:25,780 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:20:25" (1/1) ... [2024-11-22 22:20:25,780 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:20:25" (1/1) ... [2024-11-22 22:20:25,782 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:20:25" (1/1) ... [2024-11-22 22:20:25,785 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:20:25" (1/1) ... [2024-11-22 22:20:25,786 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:20:25" (1/1) ... [2024-11-22 22:20:25,786 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:20:25" (1/1) ... [2024-11-22 22:20:25,788 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 22:20:25,788 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 22:20:25,788 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 22:20:25,788 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 22:20:25,789 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:20:25" (1/1) ... [2024-11-22 22:20:25,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:20:25,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:20:25,817 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) [2024-11-22 22:20:25,822 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 [2024-11-22 22:20:25,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 22:20:25,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 22:20:25,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 22:20:25,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 22:20:25,897 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 22:20:25,898 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 22:20:26,033 INFO L? ?]: Removed 42 outVars from TransFormulas that were not future-live. [2024-11-22 22:20:26,034 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 22:20:26,043 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 22:20:26,044 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-22 22:20:26,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:20:26 BoogieIcfgContainer [2024-11-22 22:20:26,044 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 22:20:26,046 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 22:20:26,046 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 22:20:26,050 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 22:20:26,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:20:25" (1/3) ... [2024-11-22 22:20:26,051 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fd102e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:20:26, skipping insertion in model container [2024-11-22 22:20:26,051 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:20:25" (2/3) ... [2024-11-22 22:20:26,051 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fd102e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:20:26, skipping insertion in model container [2024-11-22 22:20:26,051 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:20:26" (3/3) ... [2024-11-22 22:20:26,052 INFO L112 eAbstractionObserver]: Analyzing ICFG nested9.i [2024-11-22 22:20:26,066 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 22:20:26,066 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-11-22 22:20:26,106 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 22:20:26,112 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;@5c21027a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 22:20:26,112 INFO L334 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2024-11-22 22:20:26,115 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 39 states have (on average 1.7692307692307692) internal successors, (69), 57 states have internal predecessors, (69), 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) [2024-11-22 22:20:26,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-22 22:20:26,119 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:20:26,120 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-22 22:20:26,120 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:20:26,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:20:26,125 INFO L85 PathProgramCache]: Analyzing trace with hash 889571337, now seen corresponding path program 1 times [2024-11-22 22:20:26,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:20:26,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030679721] [2024-11-22 22:20:26,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:26,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:20:26,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:26,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:20:26,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:20:26,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030679721] [2024-11-22 22:20:26,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030679721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:20:26,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:20:26,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:20:26,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769580747] [2024-11-22 22:20:26,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:20:26,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:20:26,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:20:26,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:20:26,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:20:26,331 INFO L87 Difference]: Start difference. First operand has 58 states, 39 states have (on average 1.7692307692307692) internal successors, (69), 57 states have internal predecessors, (69), 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) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:20:26,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:20:26,370 INFO L93 Difference]: Finished difference Result 100 states and 119 transitions. [2024-11-22 22:20:26,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:20:26,374 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-22 22:20:26,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:20:26,381 INFO L225 Difference]: With dead ends: 100 [2024-11-22 22:20:26,381 INFO L226 Difference]: Without dead ends: 49 [2024-11-22 22:20:26,383 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:20:26,386 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 48 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:20:26,387 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 55 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:20:26,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-22 22:20:26,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-22 22:20:26,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 33 states have (on average 1.5454545454545454) internal successors, (51), 48 states have internal predecessors, (51), 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) [2024-11-22 22:20:26,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 51 transitions. [2024-11-22 22:20:26,411 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 51 transitions. Word has length 6 [2024-11-22 22:20:26,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:20:26,412 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 51 transitions. [2024-11-22 22:20:26,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:20:26,412 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 51 transitions. [2024-11-22 22:20:26,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-22 22:20:26,412 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:20:26,413 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:20:26,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 22:20:26,413 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:20:26,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:20:26,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1806907722, now seen corresponding path program 1 times [2024-11-22 22:20:26,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:20:26,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767171339] [2024-11-22 22:20:26,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:26,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:20:26,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:26,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:20:26,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:20:26,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767171339] [2024-11-22 22:20:26,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767171339] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:20:26,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:20:26,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:20:26,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587633343] [2024-11-22 22:20:26,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:20:26,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:20:26,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:20:26,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:20:26,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:20:26,468 INFO L87 Difference]: Start difference. First operand 49 states and 51 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:20:26,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:20:26,485 INFO L93 Difference]: Finished difference Result 49 states and 51 transitions. [2024-11-22 22:20:26,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:20:26,487 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-22 22:20:26,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:20:26,488 INFO L225 Difference]: With dead ends: 49 [2024-11-22 22:20:26,488 INFO L226 Difference]: Without dead ends: 47 [2024-11-22 22:20:26,488 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:20:26,489 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 43 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:20:26,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 44 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:20:26,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-22 22:20:26,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-11-22 22:20:26,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 33 states have (on average 1.4848484848484849) internal successors, (49), 46 states have internal predecessors, (49), 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) [2024-11-22 22:20:26,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 49 transitions. [2024-11-22 22:20:26,494 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 49 transitions. Word has length 7 [2024-11-22 22:20:26,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:20:26,494 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 49 transitions. [2024-11-22 22:20:26,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:20:26,495 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2024-11-22 22:20:26,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-22 22:20:26,495 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:20:26,495 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:20:26,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 22:20:26,496 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:20:26,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:20:26,498 INFO L85 PathProgramCache]: Analyzing trace with hash 179564587, now seen corresponding path program 1 times [2024-11-22 22:20:26,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:20:26,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585266520] [2024-11-22 22:20:26,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:26,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:20:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:26,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:20:26,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:20:26,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585266520] [2024-11-22 22:20:26,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585266520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:20:26,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:20:26,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:20:26,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676969696] [2024-11-22 22:20:26,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:20:26,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:20:26,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:20:26,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:20:26,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:20:26,573 INFO L87 Difference]: Start difference. First operand 47 states and 49 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2024-11-22 22:20:26,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:20:26,613 INFO L93 Difference]: Finished difference Result 47 states and 49 transitions. [2024-11-22 22:20:26,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:20:26,614 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 8 [2024-11-22 22:20:26,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:20:26,615 INFO L225 Difference]: With dead ends: 47 [2024-11-22 22:20:26,615 INFO L226 Difference]: Without dead ends: 46 [2024-11-22 22:20:26,615 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:20:26,616 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 7 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:20:26,616 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 122 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:20:26,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-22 22:20:26,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-11-22 22:20:26,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 33 states have (on average 1.4545454545454546) internal successors, (48), 45 states have internal predecessors, (48), 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) [2024-11-22 22:20:26,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 48 transitions. [2024-11-22 22:20:26,623 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 48 transitions. Word has length 8 [2024-11-22 22:20:26,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:20:26,623 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 48 transitions. [2024-11-22 22:20:26,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2024-11-22 22:20:26,623 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2024-11-22 22:20:26,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-22 22:20:26,624 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:20:26,624 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:20:26,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 22:20:26,624 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:20:26,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:20:26,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1271534956, now seen corresponding path program 1 times [2024-11-22 22:20:26,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:20:26,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762746046] [2024-11-22 22:20:26,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:26,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:20:26,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:26,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:20:26,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:20:26,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762746046] [2024-11-22 22:20:26,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762746046] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:20:26,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:20:26,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:20:26,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611855311] [2024-11-22 22:20:26,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:20:26,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:20:26,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:20:26,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:20:26,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:20:26,676 INFO L87 Difference]: Start difference. First operand 46 states and 48 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-11-22 22:20:26,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:20:26,697 INFO L93 Difference]: Finished difference Result 46 states and 48 transitions. [2024-11-22 22:20:26,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:20:26,697 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2024-11-22 22:20:26,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:20:26,698 INFO L225 Difference]: With dead ends: 46 [2024-11-22 22:20:26,698 INFO L226 Difference]: Without dead ends: 45 [2024-11-22 22:20:26,698 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:20:26,699 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 6 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:20:26,699 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 122 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:20:26,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-22 22:20:26,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-11-22 22:20:26,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 44 states have internal predecessors, (47), 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) [2024-11-22 22:20:26,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 47 transitions. [2024-11-22 22:20:26,705 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 47 transitions. Word has length 9 [2024-11-22 22:20:26,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:20:26,706 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 47 transitions. [2024-11-22 22:20:26,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-11-22 22:20:26,706 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2024-11-22 22:20:26,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-22 22:20:26,707 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:20:26,707 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:20:26,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 22:20:26,707 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:20:26,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:20:26,708 INFO L85 PathProgramCache]: Analyzing trace with hash -2067476878, now seen corresponding path program 1 times [2024-11-22 22:20:26,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:20:26,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625227809] [2024-11-22 22:20:26,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:26,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:20:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:26,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:20:26,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:20:26,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625227809] [2024-11-22 22:20:26,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625227809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:20:26,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:20:26,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:20:26,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705045281] [2024-11-22 22:20:26,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:20:26,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:20:26,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:20:26,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:20:26,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:20:26,744 INFO L87 Difference]: Start difference. First operand 45 states and 47 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-11-22 22:20:26,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:20:26,794 INFO L93 Difference]: Finished difference Result 73 states and 79 transitions. [2024-11-22 22:20:26,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:20:26,795 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 13 [2024-11-22 22:20:26,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:20:26,796 INFO L225 Difference]: With dead ends: 73 [2024-11-22 22:20:26,796 INFO L226 Difference]: Without dead ends: 69 [2024-11-22 22:20:26,797 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:20:26,799 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 24 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:20:26,800 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 61 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:20:26,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-22 22:20:26,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 64. [2024-11-22 22:20:26,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 52 states have (on average 1.4230769230769231) internal successors, (74), 63 states have internal predecessors, (74), 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) [2024-11-22 22:20:26,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 74 transitions. [2024-11-22 22:20:26,819 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 74 transitions. Word has length 13 [2024-11-22 22:20:26,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:20:26,819 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 74 transitions. [2024-11-22 22:20:26,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-11-22 22:20:26,819 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 74 transitions. [2024-11-22 22:20:26,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-22 22:20:26,819 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:20:26,820 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:20:26,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 22:20:26,820 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:20:26,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:20:26,820 INFO L85 PathProgramCache]: Analyzing trace with hash 918466108, now seen corresponding path program 1 times [2024-11-22 22:20:26,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:20:26,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372248847] [2024-11-22 22:20:26,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:26,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:20:26,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:26,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:20:26,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:20:26,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372248847] [2024-11-22 22:20:26,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372248847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:20:26,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:20:26,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:20:26,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295266948] [2024-11-22 22:20:26,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:20:26,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:20:26,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:20:26,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:20:26,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:20:26,945 INFO L87 Difference]: Start difference. First operand 64 states and 74 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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) [2024-11-22 22:20:26,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:20:26,999 INFO L93 Difference]: Finished difference Result 73 states and 79 transitions. [2024-11-22 22:20:27,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:20:27,000 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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 19 [2024-11-22 22:20:27,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:20:27,003 INFO L225 Difference]: With dead ends: 73 [2024-11-22 22:20:27,003 INFO L226 Difference]: Without dead ends: 71 [2024-11-22 22:20:27,003 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 [2024-11-22 22:20:27,007 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 20 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:20:27,007 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 87 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:20:27,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-11-22 22:20:27,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 67. [2024-11-22 22:20:27,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 55 states have (on average 1.4) internal successors, (77), 66 states have internal predecessors, (77), 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) [2024-11-22 22:20:27,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 77 transitions. [2024-11-22 22:20:27,015 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 77 transitions. Word has length 19 [2024-11-22 22:20:27,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:20:27,015 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 77 transitions. [2024-11-22 22:20:27,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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) [2024-11-22 22:20:27,016 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 77 transitions. [2024-11-22 22:20:27,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-22 22:20:27,016 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:20:27,016 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:20:27,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 22:20:27,016 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:20:27,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:20:27,017 INFO L85 PathProgramCache]: Analyzing trace with hash 918466654, now seen corresponding path program 1 times [2024-11-22 22:20:27,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:20:27,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488157545] [2024-11-22 22:20:27,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:27,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:20:27,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:27,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:20:27,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:20:27,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488157545] [2024-11-22 22:20:27,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488157545] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:20:27,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:20:27,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:20:27,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559853888] [2024-11-22 22:20:27,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:20:27,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:20:27,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:20:27,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:20:27,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:20:27,088 INFO L87 Difference]: Start difference. First operand 67 states and 77 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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) [2024-11-22 22:20:27,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:20:27,154 INFO L93 Difference]: Finished difference Result 81 states and 88 transitions. [2024-11-22 22:20:27,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:20:27,155 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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 19 [2024-11-22 22:20:27,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:20:27,156 INFO L225 Difference]: With dead ends: 81 [2024-11-22 22:20:27,156 INFO L226 Difference]: Without dead ends: 79 [2024-11-22 22:20:27,156 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:20:27,157 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 27 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:20:27,157 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 86 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:20:27,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-22 22:20:27,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 70. [2024-11-22 22:20:27,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 58 states have (on average 1.396551724137931) internal successors, (81), 69 states have internal predecessors, (81), 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) [2024-11-22 22:20:27,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 81 transitions. [2024-11-22 22:20:27,162 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 81 transitions. Word has length 19 [2024-11-22 22:20:27,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:20:27,162 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 81 transitions. [2024-11-22 22:20:27,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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) [2024-11-22 22:20:27,162 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 81 transitions. [2024-11-22 22:20:27,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-22 22:20:27,163 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:20:27,163 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:20:27,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 22:20:27,163 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:20:27,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:20:27,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1592305566, now seen corresponding path program 1 times [2024-11-22 22:20:27,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:20:27,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18966175] [2024-11-22 22:20:27,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:27,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:20:27,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:27,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:20:27,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:20:27,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18966175] [2024-11-22 22:20:27,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18966175] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:20:27,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:20:27,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:20:27,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153915245] [2024-11-22 22:20:27,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:20:27,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:20:27,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:20:27,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:20:27,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:20:27,209 INFO L87 Difference]: Start difference. First operand 70 states and 81 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-11-22 22:20:27,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:20:27,242 INFO L93 Difference]: Finished difference Result 110 states and 124 transitions. [2024-11-22 22:20:27,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:20:27,242 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 20 [2024-11-22 22:20:27,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:20:27,243 INFO L225 Difference]: With dead ends: 110 [2024-11-22 22:20:27,243 INFO L226 Difference]: Without dead ends: 54 [2024-11-22 22:20:27,244 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:20:27,245 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 1 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:20:27,245 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 67 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:20:27,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-22 22:20:27,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-22 22:20:27,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 53 states have internal predecessors, (56), 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) [2024-11-22 22:20:27,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 56 transitions. [2024-11-22 22:20:27,252 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 56 transitions. Word has length 20 [2024-11-22 22:20:27,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:20:27,252 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 56 transitions. [2024-11-22 22:20:27,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-11-22 22:20:27,252 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions. [2024-11-22 22:20:27,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-22 22:20:27,252 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:20:27,253 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:20:27,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 22:20:27,253 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:20:27,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:20:27,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1212681645, now seen corresponding path program 1 times [2024-11-22 22:20:27,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:20:27,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453659472] [2024-11-22 22:20:27,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:27,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:20:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:27,310 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:20:27,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:20:27,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453659472] [2024-11-22 22:20:27,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453659472] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:20:27,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217680131] [2024-11-22 22:20:27,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:27,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:20:27,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:20:27,314 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) [2024-11-22 22:20:27,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 22:20:27,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:27,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:20:27,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:20:27,412 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:20:27,413 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:20:27,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217680131] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:20:27,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:20:27,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-22 22:20:27,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320462668] [2024-11-22 22:20:27,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:20:27,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:20:27,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:20:27,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:20:27,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:20:27,418 INFO L87 Difference]: Start difference. First operand 54 states and 56 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 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) [2024-11-22 22:20:27,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:20:27,463 INFO L93 Difference]: Finished difference Result 54 states and 56 transitions. [2024-11-22 22:20:27,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:20:27,463 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 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 22 [2024-11-22 22:20:27,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:20:27,464 INFO L225 Difference]: With dead ends: 54 [2024-11-22 22:20:27,465 INFO L226 Difference]: Without dead ends: 51 [2024-11-22 22:20:27,465 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:20:27,465 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 43 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:20:27,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 60 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:20:27,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-22 22:20:27,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-22 22:20:27,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 42 states have (on average 1.2619047619047619) internal successors, (53), 50 states have internal predecessors, (53), 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) [2024-11-22 22:20:27,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 53 transitions. [2024-11-22 22:20:27,472 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 53 transitions. Word has length 22 [2024-11-22 22:20:27,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:20:27,476 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 53 transitions. [2024-11-22 22:20:27,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 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) [2024-11-22 22:20:27,476 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 53 transitions. [2024-11-22 22:20:27,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-22 22:20:27,477 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:20:27,477 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:20:27,484 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 22:20:27,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:20:27,678 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:20:27,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:20:27,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1061574743, now seen corresponding path program 1 times [2024-11-22 22:20:27,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:20:27,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226498494] [2024-11-22 22:20:27,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:27,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:20:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:27,725 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:20:27,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:20:27,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226498494] [2024-11-22 22:20:27,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226498494] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:20:27,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1374706030] [2024-11-22 22:20:27,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:27,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:20:27,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:20:27,728 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) [2024-11-22 22:20:27,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 22:20:27,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:27,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:20:27,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:20:27,790 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:20:27,790 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:20:27,830 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:20:27,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1374706030] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:20:27,832 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:20:27,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-22 22:20:27,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361975675] [2024-11-22 22:20:27,833 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:20:27,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 22:20:27,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:20:27,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 22:20:27,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:20:27,834 INFO L87 Difference]: Start difference. First operand 51 states and 53 transitions. Second operand has 10 states, 9 states have (on average 5.111111111111111) internal successors, (46), 10 states have internal predecessors, (46), 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) [2024-11-22 22:20:27,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:20:27,909 INFO L93 Difference]: Finished difference Result 78 states and 86 transitions. [2024-11-22 22:20:27,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:20:27,910 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.111111111111111) internal successors, (46), 10 states have internal predecessors, (46), 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 23 [2024-11-22 22:20:27,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:20:27,912 INFO L225 Difference]: With dead ends: 78 [2024-11-22 22:20:27,912 INFO L226 Difference]: Without dead ends: 75 [2024-11-22 22:20:27,913 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:20:27,913 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 44 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:20:27,913 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 167 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:20:27,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-22 22:20:27,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 68. [2024-11-22 22:20:27,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 61 states have (on average 1.278688524590164) internal successors, (78), 67 states have internal predecessors, (78), 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) [2024-11-22 22:20:27,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 78 transitions. [2024-11-22 22:20:27,921 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 78 transitions. Word has length 23 [2024-11-22 22:20:27,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:20:27,921 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 78 transitions. [2024-11-22 22:20:27,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.111111111111111) internal successors, (46), 10 states have internal predecessors, (46), 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) [2024-11-22 22:20:27,921 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 78 transitions. [2024-11-22 22:20:27,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-22 22:20:27,921 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:20:27,921 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:20:27,930 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-22 22:20:28,128 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,SelfDestructingSolverStorable9 [2024-11-22 22:20:28,129 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:20:28,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:20:28,129 INFO L85 PathProgramCache]: Analyzing trace with hash 535144319, now seen corresponding path program 1 times [2024-11-22 22:20:28,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:20:28,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103265945] [2024-11-22 22:20:28,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:28,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:20:28,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:28,156 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-22 22:20:28,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:20:28,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103265945] [2024-11-22 22:20:28,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103265945] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:20:28,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:20:28,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:20:28,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415043921] [2024-11-22 22:20:28,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:20:28,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:20:28,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:20:28,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:20:28,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:20:28,157 INFO L87 Difference]: Start difference. First operand 68 states and 78 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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) [2024-11-22 22:20:28,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:20:28,183 INFO L93 Difference]: Finished difference Result 85 states and 100 transitions. [2024-11-22 22:20:28,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:20:28,184 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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 28 [2024-11-22 22:20:28,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:20:28,185 INFO L225 Difference]: With dead ends: 85 [2024-11-22 22:20:28,194 INFO L226 Difference]: Without dead ends: 84 [2024-11-22 22:20:28,194 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:20:28,195 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 6 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:20:28,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 56 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:20:28,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-22 22:20:28,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 72. [2024-11-22 22:20:28,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 65 states have (on average 1.2923076923076924) internal successors, (84), 71 states have internal predecessors, (84), 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) [2024-11-22 22:20:28,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 84 transitions. [2024-11-22 22:20:28,208 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 84 transitions. Word has length 28 [2024-11-22 22:20:28,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:20:28,208 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 84 transitions. [2024-11-22 22:20:28,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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) [2024-11-22 22:20:28,208 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 84 transitions. [2024-11-22 22:20:28,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-22 22:20:28,211 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:20:28,211 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:20:28,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-22 22:20:28,212 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:20:28,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:20:28,212 INFO L85 PathProgramCache]: Analyzing trace with hash -590395197, now seen corresponding path program 1 times [2024-11-22 22:20:28,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:20:28,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388991258] [2024-11-22 22:20:28,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:28,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:20:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:28,237 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-22 22:20:28,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:20:28,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388991258] [2024-11-22 22:20:28,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388991258] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:20:28,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:20:28,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:20:28,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480443741] [2024-11-22 22:20:28,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:20:28,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:20:28,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:20:28,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:20:28,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:20:28,238 INFO L87 Difference]: Start difference. First operand 72 states and 84 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2024-11-22 22:20:28,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:20:28,262 INFO L93 Difference]: Finished difference Result 85 states and 98 transitions. [2024-11-22 22:20:28,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:20:28,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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 29 [2024-11-22 22:20:28,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:20:28,263 INFO L225 Difference]: With dead ends: 85 [2024-11-22 22:20:28,263 INFO L226 Difference]: Without dead ends: 84 [2024-11-22 22:20:28,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:20:28,264 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 5 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:20:28,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 57 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:20:28,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-22 22:20:28,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 74. [2024-11-22 22:20:28,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 67 states have (on average 1.2835820895522387) internal successors, (86), 73 states have internal predecessors, (86), 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) [2024-11-22 22:20:28,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 86 transitions. [2024-11-22 22:20:28,269 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 86 transitions. Word has length 29 [2024-11-22 22:20:28,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:20:28,270 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 86 transitions. [2024-11-22 22:20:28,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2024-11-22 22:20:28,270 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 86 transitions. [2024-11-22 22:20:28,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-22 22:20:28,270 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:20:28,270 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:20:28,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 22:20:28,270 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:20:28,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:20:28,271 INFO L85 PathProgramCache]: Analyzing trace with hash -590396063, now seen corresponding path program 1 times [2024-11-22 22:20:28,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:20:28,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612013278] [2024-11-22 22:20:28,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:28,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:20:28,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:28,309 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-22 22:20:28,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:20:28,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612013278] [2024-11-22 22:20:28,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612013278] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:20:28,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:20:28,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:20:28,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712990177] [2024-11-22 22:20:28,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:20:28,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:20:28,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:20:28,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:20:28,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:20:28,310 INFO L87 Difference]: Start difference. First operand 74 states and 86 transitions. Second operand has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 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) [2024-11-22 22:20:28,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:20:28,363 INFO L93 Difference]: Finished difference Result 110 states and 135 transitions. [2024-11-22 22:20:28,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:20:28,363 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 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 29 [2024-11-22 22:20:28,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:20:28,363 INFO L225 Difference]: With dead ends: 110 [2024-11-22 22:20:28,363 INFO L226 Difference]: Without dead ends: 109 [2024-11-22 22:20:28,364 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:20:28,364 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 48 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:20:28,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 84 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:20:28,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-22 22:20:28,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 73. [2024-11-22 22:20:28,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 67 states have (on average 1.2537313432835822) internal successors, (84), 72 states have internal predecessors, (84), 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) [2024-11-22 22:20:28,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 84 transitions. [2024-11-22 22:20:28,368 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 84 transitions. Word has length 29 [2024-11-22 22:20:28,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:20:28,368 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 84 transitions. [2024-11-22 22:20:28,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 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) [2024-11-22 22:20:28,368 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 84 transitions. [2024-11-22 22:20:28,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-22 22:20:28,369 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:20:28,369 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:20:28,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-22 22:20:28,369 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:20:28,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:20:28,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1122408636, now seen corresponding path program 1 times [2024-11-22 22:20:28,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:20:28,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331128772] [2024-11-22 22:20:28,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:28,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:20:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:28,410 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:20:28,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:20:28,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331128772] [2024-11-22 22:20:28,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331128772] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:20:28,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806169393] [2024-11-22 22:20:28,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:28,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:20:28,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:20:28,413 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) [2024-11-22 22:20:28,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 22:20:28,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:28,441 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:20:28,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:20:28,529 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:20:28,529 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:20:28,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806169393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:20:28,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:20:28,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 12 [2024-11-22 22:20:28,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223650022] [2024-11-22 22:20:28,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:20:28,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:20:28,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:20:28,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:20:28,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:20:28,530 INFO L87 Difference]: Start difference. First operand 73 states and 84 transitions. Second operand has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 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) [2024-11-22 22:20:28,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:20:28,615 INFO L93 Difference]: Finished difference Result 169 states and 204 transitions. [2024-11-22 22:20:28,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:20:28,615 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 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 30 [2024-11-22 22:20:28,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:20:28,616 INFO L225 Difference]: With dead ends: 169 [2024-11-22 22:20:28,616 INFO L226 Difference]: Without dead ends: 119 [2024-11-22 22:20:28,617 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:20:28,617 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 74 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:20:28,617 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 87 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:20:28,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-22 22:20:28,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 81. [2024-11-22 22:20:28,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 75 states have (on average 1.2666666666666666) internal successors, (95), 80 states have internal predecessors, (95), 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) [2024-11-22 22:20:28,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 95 transitions. [2024-11-22 22:20:28,622 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 95 transitions. Word has length 30 [2024-11-22 22:20:28,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:20:28,622 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 95 transitions. [2024-11-22 22:20:28,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 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) [2024-11-22 22:20:28,622 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 95 transitions. [2024-11-22 22:20:28,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-22 22:20:28,623 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:20:28,623 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:20:28,629 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 22:20:28,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:20:28,824 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:20:28,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:20:28,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1888551642, now seen corresponding path program 1 times [2024-11-22 22:20:28,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:20:28,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62960883] [2024-11-22 22:20:28,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:28,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:20:28,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:28,853 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-22 22:20:28,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:20:28,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62960883] [2024-11-22 22:20:28,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62960883] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:20:28,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [941375361] [2024-11-22 22:20:28,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:28,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:20:28,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:20:28,856 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) [2024-11-22 22:20:28,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 22:20:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:28,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:20:28,887 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:20:28,943 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:20:28,944 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:20:28,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [941375361] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:20:28,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:20:28,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [3] total 8 [2024-11-22 22:20:28,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554387137] [2024-11-22 22:20:28,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:20:28,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:20:28,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:20:28,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:20:28,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:20:28,946 INFO L87 Difference]: Start difference. First operand 81 states and 95 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 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) [2024-11-22 22:20:28,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:20:28,995 INFO L93 Difference]: Finished difference Result 144 states and 171 transitions. [2024-11-22 22:20:28,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:20:28,996 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 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 34 [2024-11-22 22:20:28,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:20:28,996 INFO L225 Difference]: With dead ends: 144 [2024-11-22 22:20:28,996 INFO L226 Difference]: Without dead ends: 109 [2024-11-22 22:20:28,998 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:20:28,998 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 50 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:20:28,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 71 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:20:28,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-22 22:20:29,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 81. [2024-11-22 22:20:29,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 75 states have (on average 1.24) internal successors, (93), 80 states have internal predecessors, (93), 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) [2024-11-22 22:20:29,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 93 transitions. [2024-11-22 22:20:29,006 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 93 transitions. Word has length 34 [2024-11-22 22:20:29,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:20:29,007 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 93 transitions. [2024-11-22 22:20:29,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 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) [2024-11-22 22:20:29,007 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 93 transitions. [2024-11-22 22:20:29,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-22 22:20:29,008 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:20:29,009 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:20:29,015 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-22 22:20:29,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-22 22:20:29,209 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:20:29,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:20:29,209 INFO L85 PathProgramCache]: Analyzing trace with hash -2112819478, now seen corresponding path program 1 times [2024-11-22 22:20:29,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:20:29,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739958717] [2024-11-22 22:20:29,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:29,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:20:29,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:29,273 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:20:29,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:20:29,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739958717] [2024-11-22 22:20:29,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739958717] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:20:29,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880923089] [2024-11-22 22:20:29,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:29,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:20:29,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:20:29,276 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) [2024-11-22 22:20:29,277 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-22 22:20:29,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:29,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:20:29,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:20:29,355 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:20:29,356 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:20:29,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [880923089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:20:29,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:20:29,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 8 [2024-11-22 22:20:29,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4297602] [2024-11-22 22:20:29,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:20:29,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:20:29,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:20:29,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:20:29,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:20:29,357 INFO L87 Difference]: Start difference. First operand 81 states and 93 transitions. Second operand has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 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) [2024-11-22 22:20:29,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:20:29,428 INFO L93 Difference]: Finished difference Result 81 states and 93 transitions. [2024-11-22 22:20:29,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:20:29,429 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 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 35 [2024-11-22 22:20:29,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:20:29,429 INFO L225 Difference]: With dead ends: 81 [2024-11-22 22:20:29,429 INFO L226 Difference]: Without dead ends: 80 [2024-11-22 22:20:29,430 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:20:29,430 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 36 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:20:29,430 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 75 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:20:29,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-22 22:20:29,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-11-22 22:20:29,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 75 states have (on average 1.2133333333333334) internal successors, (91), 79 states have internal predecessors, (91), 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) [2024-11-22 22:20:29,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 91 transitions. [2024-11-22 22:20:29,438 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 91 transitions. Word has length 35 [2024-11-22 22:20:29,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:20:29,438 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 91 transitions. [2024-11-22 22:20:29,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 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) [2024-11-22 22:20:29,438 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 91 transitions. [2024-11-22 22:20:29,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-22 22:20:29,440 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:20:29,441 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:20:29,447 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-22 22:20:29,641 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,SelfDestructingSolverStorable15 [2024-11-22 22:20:29,642 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:20:29,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:20:29,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1072894253, now seen corresponding path program 1 times [2024-11-22 22:20:29,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:20:29,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133875441] [2024-11-22 22:20:29,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:29,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:20:29,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:29,711 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:20:29,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:20:29,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133875441] [2024-11-22 22:20:29,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133875441] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:20:29,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1952294439] [2024-11-22 22:20:29,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:29,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:20:29,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:20:29,714 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) [2024-11-22 22:20:29,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-22 22:20:29,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:29,741 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:20:29,742 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:20:29,776 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:20:29,776 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:20:29,831 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:20:29,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1952294439] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:20:29,831 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:20:29,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-11-22 22:20:29,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168593602] [2024-11-22 22:20:29,831 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:20:29,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-22 22:20:29,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:20:29,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-22 22:20:29,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:20:29,832 INFO L87 Difference]: Start difference. First operand 80 states and 91 transitions. Second operand has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 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) [2024-11-22 22:20:29,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:20:29,966 INFO L93 Difference]: Finished difference Result 108 states and 122 transitions. [2024-11-22 22:20:29,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-22 22:20:29,966 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 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 36 [2024-11-22 22:20:29,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:20:29,967 INFO L225 Difference]: With dead ends: 108 [2024-11-22 22:20:29,967 INFO L226 Difference]: Without dead ends: 107 [2024-11-22 22:20:29,967 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2024-11-22 22:20:29,968 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 66 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:20:29,968 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 163 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:20:29,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-22 22:20:29,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 104. [2024-11-22 22:20:29,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 99 states have (on average 1.1919191919191918) internal successors, (118), 103 states have internal predecessors, (118), 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) [2024-11-22 22:20:29,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 118 transitions. [2024-11-22 22:20:29,972 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 118 transitions. Word has length 36 [2024-11-22 22:20:29,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:20:29,973 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 118 transitions. [2024-11-22 22:20:29,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 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) [2024-11-22 22:20:29,973 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 118 transitions. [2024-11-22 22:20:29,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-22 22:20:29,973 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:20:29,973 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:20:29,980 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-22 22:20:30,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-22 22:20:30,174 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:20:30,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:20:30,175 INFO L85 PathProgramCache]: Analyzing trace with hash -259223083, now seen corresponding path program 1 times [2024-11-22 22:20:30,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:20:30,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115705706] [2024-11-22 22:20:30,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:30,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:20:30,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:30,251 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:20:30,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:20:30,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115705706] [2024-11-22 22:20:30,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115705706] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:20:30,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332318160] [2024-11-22 22:20:30,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:30,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:20:30,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:20:30,254 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) [2024-11-22 22:20:30,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-22 22:20:30,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:30,280 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 22:20:30,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:20:30,383 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:20:30,383 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:20:30,450 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:20:30,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1332318160] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:20:30,451 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:20:30,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 15 [2024-11-22 22:20:30,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423705036] [2024-11-22 22:20:30,451 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:20:30,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-22 22:20:30,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:20:30,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-22 22:20:30,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-22 22:20:30,453 INFO L87 Difference]: Start difference. First operand 104 states and 118 transitions. Second operand has 15 states, 15 states have (on average 4.2) internal successors, (63), 15 states have internal predecessors, (63), 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) [2024-11-22 22:20:30,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:20:30,584 INFO L93 Difference]: Finished difference Result 164 states and 185 transitions. [2024-11-22 22:20:30,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 22:20:30,584 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.2) internal successors, (63), 15 states have internal predecessors, (63), 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 38 [2024-11-22 22:20:30,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:20:30,585 INFO L225 Difference]: With dead ends: 164 [2024-11-22 22:20:30,585 INFO L226 Difference]: Without dead ends: 87 [2024-11-22 22:20:30,586 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 64 SyntacticMatches, 6 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2024-11-22 22:20:30,586 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 47 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:20:30,587 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 158 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:20:30,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-22 22:20:30,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 85. [2024-11-22 22:20:30,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 80 states have (on average 1.15) internal successors, (92), 84 states have internal predecessors, (92), 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) [2024-11-22 22:20:30,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 92 transitions. [2024-11-22 22:20:30,591 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 92 transitions. Word has length 38 [2024-11-22 22:20:30,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:20:30,591 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 92 transitions. [2024-11-22 22:20:30,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.2) internal successors, (63), 15 states have internal predecessors, (63), 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) [2024-11-22 22:20:30,592 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 92 transitions. [2024-11-22 22:20:30,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-22 22:20:30,593 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:20:30,593 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:20:30,599 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-22 22:20:30,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:20:30,797 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:20:30,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:20:30,797 INFO L85 PathProgramCache]: Analyzing trace with hash -5303270, now seen corresponding path program 1 times [2024-11-22 22:20:30,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:20:30,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614124064] [2024-11-22 22:20:30,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:30,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:20:30,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:30,852 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 22:20:30,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:20:30,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614124064] [2024-11-22 22:20:30,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614124064] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:20:30,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1578474858] [2024-11-22 22:20:30,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:30,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:20:30,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:20:30,854 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) [2024-11-22 22:20:30,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-22 22:20:30,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:30,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:20:30,886 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:20:30,927 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 22:20:30,928 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:20:30,984 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 22:20:30,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1578474858] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:20:30,985 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:20:30,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-11-22 22:20:30,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401226574] [2024-11-22 22:20:30,985 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:20:30,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-22 22:20:30,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:20:30,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-22 22:20:30,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:20:30,986 INFO L87 Difference]: Start difference. First operand 85 states and 92 transitions. Second operand has 14 states, 13 states have (on average 6.461538461538462) internal successors, (84), 14 states have internal predecessors, (84), 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) [2024-11-22 22:20:31,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:20:31,116 INFO L93 Difference]: Finished difference Result 113 states and 120 transitions. [2024-11-22 22:20:31,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-22 22:20:31,117 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.461538461538462) internal successors, (84), 14 states have internal predecessors, (84), 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 40 [2024-11-22 22:20:31,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:20:31,117 INFO L225 Difference]: With dead ends: 113 [2024-11-22 22:20:31,117 INFO L226 Difference]: Without dead ends: 112 [2024-11-22 22:20:31,118 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-11-22 22:20:31,118 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 72 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:20:31,119 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 122 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:20:31,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-22 22:20:31,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 107. [2024-11-22 22:20:31,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 102 states have (on average 1.1470588235294117) internal successors, (117), 106 states have internal predecessors, (117), 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) [2024-11-22 22:20:31,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 117 transitions. [2024-11-22 22:20:31,123 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 117 transitions. Word has length 40 [2024-11-22 22:20:31,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:20:31,123 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 117 transitions. [2024-11-22 22:20:31,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.461538461538462) internal successors, (84), 14 states have internal predecessors, (84), 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) [2024-11-22 22:20:31,123 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 117 transitions. [2024-11-22 22:20:31,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-22 22:20:31,124 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:20:31,124 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:20:31,131 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-22 22:20:31,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:20:31,324 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:20:31,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:20:31,325 INFO L85 PathProgramCache]: Analyzing trace with hash 2135318327, now seen corresponding path program 1 times [2024-11-22 22:20:31,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:20:31,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619783551] [2024-11-22 22:20:31,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:31,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:20:31,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:31,360 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-22 22:20:31,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:20:31,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619783551] [2024-11-22 22:20:31,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619783551] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:20:31,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1556052913] [2024-11-22 22:20:31,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:31,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:20:31,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:20:31,362 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) [2024-11-22 22:20:31,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-22 22:20:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:31,391 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:20:31,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:20:31,451 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:20:31,451 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:20:31,522 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:20:31,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1556052913] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:20:31,522 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:20:31,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 6, 6] total 13 [2024-11-22 22:20:31,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889418490] [2024-11-22 22:20:31,522 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:20:31,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-22 22:20:31,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:20:31,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-22 22:20:31,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:20:31,524 INFO L87 Difference]: Start difference. First operand 107 states and 117 transitions. Second operand has 14 states, 13 states have (on average 9.692307692307692) internal successors, (126), 14 states have internal predecessors, (126), 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) [2024-11-22 22:20:31,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:20:31,638 INFO L93 Difference]: Finished difference Result 168 states and 189 transitions. [2024-11-22 22:20:31,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-22 22:20:31,639 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 9.692307692307692) internal successors, (126), 14 states have internal predecessors, (126), 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 51 [2024-11-22 22:20:31,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:20:31,639 INFO L225 Difference]: With dead ends: 168 [2024-11-22 22:20:31,639 INFO L226 Difference]: Without dead ends: 167 [2024-11-22 22:20:31,640 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=122, Invalid=340, Unknown=0, NotChecked=0, Total=462 [2024-11-22 22:20:31,640 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 80 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:20:31,640 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 130 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:20:31,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-22 22:20:31,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 106. [2024-11-22 22:20:31,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 102 states have (on average 1.1274509803921569) internal successors, (115), 105 states have internal predecessors, (115), 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) [2024-11-22 22:20:31,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 115 transitions. [2024-11-22 22:20:31,646 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 115 transitions. Word has length 51 [2024-11-22 22:20:31,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:20:31,646 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 115 transitions. [2024-11-22 22:20:31,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 9.692307692307692) internal successors, (126), 14 states have internal predecessors, (126), 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) [2024-11-22 22:20:31,646 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 115 transitions. [2024-11-22 22:20:31,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-22 22:20:31,646 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:20:31,646 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:20:31,653 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-22 22:20:31,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:20:31,851 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:20:31,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:20:31,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1019953111, now seen corresponding path program 1 times [2024-11-22 22:20:31,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:20:31,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835106172] [2024-11-22 22:20:31,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:31,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:20:31,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:31,901 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-22 22:20:31,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:20:31,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835106172] [2024-11-22 22:20:31,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835106172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:20:31,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:20:31,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:20:31,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685412653] [2024-11-22 22:20:31,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:20:31,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:20:31,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:20:31,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:20:31,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:20:31,902 INFO L87 Difference]: Start difference. First operand 106 states and 115 transitions. Second operand has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 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) [2024-11-22 22:20:31,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:20:31,933 INFO L93 Difference]: Finished difference Result 106 states and 115 transitions. [2024-11-22 22:20:31,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:20:31,934 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 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 64 [2024-11-22 22:20:31,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:20:31,934 INFO L225 Difference]: With dead ends: 106 [2024-11-22 22:20:31,934 INFO L226 Difference]: Without dead ends: 105 [2024-11-22 22:20:31,935 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:20:31,935 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 6 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:20:31,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 68 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:20:31,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-11-22 22:20:31,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2024-11-22 22:20:31,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 102 states have (on average 1.107843137254902) internal successors, (113), 104 states have internal predecessors, (113), 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) [2024-11-22 22:20:31,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 113 transitions. [2024-11-22 22:20:31,940 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 113 transitions. Word has length 64 [2024-11-22 22:20:31,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:20:31,940 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 113 transitions. [2024-11-22 22:20:31,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 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) [2024-11-22 22:20:31,940 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 113 transitions. [2024-11-22 22:20:31,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-22 22:20:31,941 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:20:31,941 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:20:31,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-22 22:20:31,941 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:20:31,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:20:31,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1553775467, now seen corresponding path program 1 times [2024-11-22 22:20:31,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:20:31,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015736200] [2024-11-22 22:20:31,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:31,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:20:31,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:32,046 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-22 22:20:32,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:20:32,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015736200] [2024-11-22 22:20:32,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015736200] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:20:32,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290780332] [2024-11-22 22:20:32,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:32,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:20:32,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:20:32,049 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) [2024-11-22 22:20:32,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-22 22:20:32,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:32,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:20:32,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:20:32,115 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-22 22:20:32,115 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:20:32,161 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-22 22:20:32,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290780332] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:20:32,162 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:20:32,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 13 [2024-11-22 22:20:32,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503499502] [2024-11-22 22:20:32,162 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:20:32,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-22 22:20:32,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:20:32,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-22 22:20:32,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:20:32,163 INFO L87 Difference]: Start difference. First operand 105 states and 113 transitions. Second operand has 14 states, 13 states have (on average 8.76923076923077) internal successors, (114), 14 states have internal predecessors, (114), 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) [2024-11-22 22:20:32,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:20:32,420 INFO L93 Difference]: Finished difference Result 211 states and 240 transitions. [2024-11-22 22:20:32,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-22 22:20:32,421 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 8.76923076923077) internal successors, (114), 14 states have internal predecessors, (114), 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 65 [2024-11-22 22:20:32,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:20:32,422 INFO L225 Difference]: With dead ends: 211 [2024-11-22 22:20:32,422 INFO L226 Difference]: Without dead ends: 210 [2024-11-22 22:20:32,422 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=178, Invalid=692, Unknown=0, NotChecked=0, Total=870 [2024-11-22 22:20:32,423 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 105 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:20:32,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 155 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:20:32,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-22 22:20:32,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 160. [2024-11-22 22:20:32,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 157 states have (on average 1.1210191082802548) internal successors, (176), 159 states have internal predecessors, (176), 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) [2024-11-22 22:20:32,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 176 transitions. [2024-11-22 22:20:32,429 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 176 transitions. Word has length 65 [2024-11-22 22:20:32,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:20:32,429 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 176 transitions. [2024-11-22 22:20:32,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 8.76923076923077) internal successors, (114), 14 states have internal predecessors, (114), 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) [2024-11-22 22:20:32,430 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 176 transitions. [2024-11-22 22:20:32,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-22 22:20:32,430 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:20:32,430 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:20:32,436 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-22 22:20:32,630 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,SelfDestructingSolverStorable21 [2024-11-22 22:20:32,631 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:20:32,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:20:32,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1050628309, now seen corresponding path program 1 times [2024-11-22 22:20:32,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:20:32,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59068412] [2024-11-22 22:20:32,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:32,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:20:32,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:32,718 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-22 22:20:32,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:20:32,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59068412] [2024-11-22 22:20:32,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59068412] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:20:32,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427801406] [2024-11-22 22:20:32,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:32,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:20:32,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:20:32,721 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) [2024-11-22 22:20:32,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-22 22:20:32,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:32,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-22 22:20:32,755 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:20:32,841 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:20:32,841 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:20:32,976 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:20:32,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [427801406] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:20:32,977 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:20:32,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 22 [2024-11-22 22:20:32,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929994127] [2024-11-22 22:20:32,977 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:20:32,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-22 22:20:32,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:20:32,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-22 22:20:32,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2024-11-22 22:20:32,978 INFO L87 Difference]: Start difference. First operand 160 states and 176 transitions. Second operand has 23 states, 22 states have (on average 7.045454545454546) internal successors, (155), 23 states have internal predecessors, (155), 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) [2024-11-22 22:20:33,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:20:33,316 INFO L93 Difference]: Finished difference Result 225 states and 252 transitions. [2024-11-22 22:20:33,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-22 22:20:33,316 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 7.045454545454546) internal successors, (155), 23 states have internal predecessors, (155), 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 72 [2024-11-22 22:20:33,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:20:33,317 INFO L225 Difference]: With dead ends: 225 [2024-11-22 22:20:33,317 INFO L226 Difference]: Without dead ends: 224 [2024-11-22 22:20:33,318 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 522 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=388, Invalid=1682, Unknown=0, NotChecked=0, Total=2070 [2024-11-22 22:20:33,318 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 169 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:20:33,319 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 208 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:20:33,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-11-22 22:20:33,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 210. [2024-11-22 22:20:33,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 207 states have (on average 1.1256038647342994) internal successors, (233), 209 states have internal predecessors, (233), 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) [2024-11-22 22:20:33,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 233 transitions. [2024-11-22 22:20:33,329 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 233 transitions. Word has length 72 [2024-11-22 22:20:33,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:20:33,329 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 233 transitions. [2024-11-22 22:20:33,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 7.045454545454546) internal successors, (155), 23 states have internal predecessors, (155), 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) [2024-11-22 22:20:33,329 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 233 transitions. [2024-11-22 22:20:33,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-22 22:20:33,331 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:20:33,331 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:20:33,339 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-22 22:20:33,536 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,SelfDestructingSolverStorable22 [2024-11-22 22:20:33,537 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:20:33,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:20:33,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1089826399, now seen corresponding path program 1 times [2024-11-22 22:20:33,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:20:33,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973928328] [2024-11-22 22:20:33,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:33,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:20:33,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:33,604 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 42 proven. 5 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-22 22:20:33,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:20:33,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973928328] [2024-11-22 22:20:33,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973928328] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:20:33,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699712518] [2024-11-22 22:20:33,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:33,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:20:33,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:20:33,606 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:20:33,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-22 22:20:33,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:33,641 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-22 22:20:33,642 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:20:33,786 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 49 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-22 22:20:33,786 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:20:33,899 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 40 proven. 23 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-22 22:20:33,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1699712518] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:20:33,900 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:20:33,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 11, 11] total 18 [2024-11-22 22:20:33,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127303235] [2024-11-22 22:20:33,900 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:20:33,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-22 22:20:33,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:20:33,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-22 22:20:33,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2024-11-22 22:20:33,901 INFO L87 Difference]: Start difference. First operand 210 states and 233 transitions. Second operand has 18 states, 18 states have (on average 7.111111111111111) internal successors, (128), 18 states have internal predecessors, (128), 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) [2024-11-22 22:20:34,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:20:34,243 INFO L93 Difference]: Finished difference Result 421 states and 467 transitions. [2024-11-22 22:20:34,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-22 22:20:34,243 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 7.111111111111111) internal successors, (128), 18 states have internal predecessors, (128), 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 73 [2024-11-22 22:20:34,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:20:34,244 INFO L225 Difference]: With dead ends: 421 [2024-11-22 22:20:34,244 INFO L226 Difference]: Without dead ends: 227 [2024-11-22 22:20:34,245 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 129 SyntacticMatches, 7 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=204, Invalid=788, Unknown=0, NotChecked=0, Total=992 [2024-11-22 22:20:34,246 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 148 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:20:34,246 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 193 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:20:34,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2024-11-22 22:20:34,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 219. [2024-11-22 22:20:34,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 216 states have (on average 1.087962962962963) internal successors, (235), 218 states have internal predecessors, (235), 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) [2024-11-22 22:20:34,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 235 transitions. [2024-11-22 22:20:34,255 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 235 transitions. Word has length 73 [2024-11-22 22:20:34,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:20:34,255 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 235 transitions. [2024-11-22 22:20:34,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 7.111111111111111) internal successors, (128), 18 states have internal predecessors, (128), 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) [2024-11-22 22:20:34,255 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 235 transitions. [2024-11-22 22:20:34,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-22 22:20:34,255 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:20:34,256 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:20:34,262 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-22 22:20:34,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-22 22:20:34,456 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:20:34,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:20:34,456 INFO L85 PathProgramCache]: Analyzing trace with hash -565681035, now seen corresponding path program 2 times [2024-11-22 22:20:34,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:20:34,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357967908] [2024-11-22 22:20:34,457 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:20:34,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:20:34,470 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 22:20:34,470 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:20:34,508 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-22 22:20:34,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:20:34,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357967908] [2024-11-22 22:20:34,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357967908] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:20:34,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1840253162] [2024-11-22 22:20:34,509 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:20:34,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:20:34,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:20:34,511 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:20:34,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-22 22:20:34,544 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 22:20:34,544 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:20:34,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 22:20:34,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:20:34,654 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-22 22:20:34,655 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:20:34,791 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-22 22:20:34,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1840253162] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:20:34,791 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:20:34,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2024-11-22 22:20:34,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396871164] [2024-11-22 22:20:34,791 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:20:34,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-22 22:20:34,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:20:34,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-22 22:20:34,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-11-22 22:20:34,792 INFO L87 Difference]: Start difference. First operand 219 states and 235 transitions. Second operand has 15 states, 14 states have (on average 10.214285714285714) internal successors, (143), 15 states have internal predecessors, (143), 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) [2024-11-22 22:20:34,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:20:34,898 INFO L93 Difference]: Finished difference Result 219 states and 235 transitions. [2024-11-22 22:20:34,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-22 22:20:34,899 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 10.214285714285714) internal successors, (143), 15 states have internal predecessors, (143), 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 103 [2024-11-22 22:20:34,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:20:34,900 INFO L225 Difference]: With dead ends: 219 [2024-11-22 22:20:34,900 INFO L226 Difference]: Without dead ends: 218 [2024-11-22 22:20:34,900 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 197 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=371, Unknown=0, NotChecked=0, Total=462 [2024-11-22 22:20:34,900 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 24 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:20:34,901 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 89 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:20:34,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-22 22:20:34,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 179. [2024-11-22 22:20:34,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 177 states have (on average 1.073446327683616) internal successors, (190), 178 states have internal predecessors, (190), 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) [2024-11-22 22:20:34,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 190 transitions. [2024-11-22 22:20:34,908 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 190 transitions. Word has length 103 [2024-11-22 22:20:34,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:20:34,908 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 190 transitions. [2024-11-22 22:20:34,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 10.214285714285714) internal successors, (143), 15 states have internal predecessors, (143), 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) [2024-11-22 22:20:34,908 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 190 transitions. [2024-11-22 22:20:34,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-22 22:20:34,909 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:20:34,909 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:20:34,916 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-22 22:20:35,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-22 22:20:35,110 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:20:35,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:20:35,110 INFO L85 PathProgramCache]: Analyzing trace with hash -898501860, now seen corresponding path program 2 times [2024-11-22 22:20:35,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:20:35,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842104940] [2024-11-22 22:20:35,110 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:20:35,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:20:35,116 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 22:20:35,116 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:20:35,154 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-22 22:20:35,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:20:35,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842104940] [2024-11-22 22:20:35,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842104940] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:20:35,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [933617446] [2024-11-22 22:20:35,154 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:20:35,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:20:35,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:20:35,156 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:20:35,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-22 22:20:35,193 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 22:20:35,193 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:20:35,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 22:20:35,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:20:35,359 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 70 proven. 92 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-22 22:20:35,359 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:20:35,504 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-22 22:20:35,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [933617446] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:20:35,504 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:20:35,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 16 [2024-11-22 22:20:35,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18302626] [2024-11-22 22:20:35,505 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:20:35,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-22 22:20:35,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:20:35,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-22 22:20:35,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2024-11-22 22:20:35,506 INFO L87 Difference]: Start difference. First operand 179 states and 190 transitions. Second operand has 17 states, 16 states have (on average 9.6875) internal successors, (155), 17 states have internal predecessors, (155), 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) [2024-11-22 22:20:35,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:20:35,652 INFO L93 Difference]: Finished difference Result 179 states and 190 transitions. [2024-11-22 22:20:35,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 22:20:35,652 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 9.6875) internal successors, (155), 17 states have internal predecessors, (155), 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 112 [2024-11-22 22:20:35,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:20:35,653 INFO L225 Difference]: With dead ends: 179 [2024-11-22 22:20:35,653 INFO L226 Difference]: Without dead ends: 178 [2024-11-22 22:20:35,654 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 213 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=125, Invalid=475, Unknown=0, NotChecked=0, Total=600 [2024-11-22 22:20:35,654 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 31 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:20:35,654 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 105 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:20:35,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-11-22 22:20:35,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 175. [2024-11-22 22:20:35,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 174 states have (on average 1.0517241379310345) internal successors, (183), 174 states have internal predecessors, (183), 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) [2024-11-22 22:20:35,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 183 transitions. [2024-11-22 22:20:35,664 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 183 transitions. Word has length 112 [2024-11-22 22:20:35,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:20:35,664 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 183 transitions. [2024-11-22 22:20:35,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 9.6875) internal successors, (155), 17 states have internal predecessors, (155), 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) [2024-11-22 22:20:35,664 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 183 transitions. [2024-11-22 22:20:35,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-22 22:20:35,666 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:20:35,666 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:20:35,672 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-22 22:20:35,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:20:35,867 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:20:35,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:20:35,867 INFO L85 PathProgramCache]: Analyzing trace with hash -131515431, now seen corresponding path program 2 times [2024-11-22 22:20:35,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:20:35,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953035303] [2024-11-22 22:20:35,867 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:20:35,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:20:35,874 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 22:20:35,874 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:20:35,917 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-11-22 22:20:35,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:20:35,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953035303] [2024-11-22 22:20:35,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953035303] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:20:35,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1976723871] [2024-11-22 22:20:35,918 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:20:35,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:20:35,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:20:35,920 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:20:35,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-22 22:20:35,956 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 22:20:35,956 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:20:35,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 22:20:35,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:20:36,066 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-11-22 22:20:36,066 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:20:36,230 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-11-22 22:20:36,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1976723871] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:20:36,230 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:20:36,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 16 [2024-11-22 22:20:36,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719949685] [2024-11-22 22:20:36,231 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:20:36,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-22 22:20:36,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:20:36,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-22 22:20:36,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2024-11-22 22:20:36,232 INFO L87 Difference]: Start difference. First operand 175 states and 183 transitions. Second operand has 17 states, 16 states have (on average 7.8125) internal successors, (125), 17 states have internal predecessors, (125), 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) [2024-11-22 22:20:36,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:20:36,435 INFO L93 Difference]: Finished difference Result 207 states and 217 transitions. [2024-11-22 22:20:36,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-22 22:20:36,438 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 7.8125) internal successors, (125), 17 states have internal predecessors, (125), 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 118 [2024-11-22 22:20:36,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:20:36,439 INFO L225 Difference]: With dead ends: 207 [2024-11-22 22:20:36,439 INFO L226 Difference]: Without dead ends: 0 [2024-11-22 22:20:36,439 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 226 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=174, Invalid=696, Unknown=0, NotChecked=0, Total=870 [2024-11-22 22:20:36,440 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 105 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:20:36,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 99 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:20:36,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-22 22:20:36,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-22 22:20:36,440 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) [2024-11-22 22:20:36,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-22 22:20:36,440 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 118 [2024-11-22 22:20:36,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:20:36,440 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-22 22:20:36,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 7.8125) internal successors, (125), 17 states have internal predecessors, (125), 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) [2024-11-22 22:20:36,440 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-22 22:20:36,441 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-22 22:20:36,443 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 18 remaining) [2024-11-22 22:20:36,443 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 18 remaining) [2024-11-22 22:20:36,443 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 18 remaining) [2024-11-22 22:20:36,443 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 18 remaining) [2024-11-22 22:20:36,444 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 18 remaining) [2024-11-22 22:20:36,444 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 18 remaining) [2024-11-22 22:20:36,444 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 18 remaining) [2024-11-22 22:20:36,444 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 18 remaining) [2024-11-22 22:20:36,444 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 18 remaining) [2024-11-22 22:20:36,444 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 18 remaining) [2024-11-22 22:20:36,444 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 18 remaining) [2024-11-22 22:20:36,444 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 18 remaining) [2024-11-22 22:20:36,444 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 18 remaining) [2024-11-22 22:20:36,444 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 18 remaining) [2024-11-22 22:20:36,444 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 18 remaining) [2024-11-22 22:20:36,444 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 18 remaining) [2024-11-22 22:20:36,444 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 18 remaining) [2024-11-22 22:20:36,444 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 18 remaining) [2024-11-22 22:20:36,451 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-22 22:20:36,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-22 22:20:36,648 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:20:36,650 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-22 22:20:37,848 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 22:20:37,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 10:20:37 BoogieIcfgContainer [2024-11-22 22:20:37,871 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 22:20:37,872 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 22:20:37,872 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 22:20:37,872 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 22:20:37,872 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:20:26" (3/4) ... [2024-11-22 22:20:37,874 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-22 22:20:37,881 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-22 22:20:37,881 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-22 22:20:37,881 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-22 22:20:37,882 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 22:20:37,965 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 22:20:37,965 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-22 22:20:37,965 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 22:20:37,966 INFO L158 Benchmark]: Toolchain (without parser) took 12465.83ms. Allocated memory was 138.4MB in the beginning and 218.1MB in the end (delta: 79.7MB). Free memory was 68.6MB in the beginning and 131.9MB in the end (delta: -63.3MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2024-11-22 22:20:37,966 INFO L158 Benchmark]: CDTParser took 0.79ms. Allocated memory is still 138.4MB. Free memory is still 102.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 22:20:37,966 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.26ms. Allocated memory is still 138.4MB. Free memory was 68.4MB in the beginning and 56.0MB in the end (delta: 12.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-22 22:20:37,966 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.92ms. Allocated memory was 138.4MB in the beginning and 180.4MB in the end (delta: 41.9MB). Free memory was 56.0MB in the beginning and 150.2MB in the end (delta: -94.2MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2024-11-22 22:20:37,967 INFO L158 Benchmark]: Boogie Preprocessor took 34.32ms. Allocated memory is still 180.4MB. Free memory was 150.2MB in the beginning and 149.8MB in the end (delta: 355.6kB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2024-11-22 22:20:37,967 INFO L158 Benchmark]: RCFGBuilder took 255.99ms. Allocated memory is still 180.4MB. Free memory was 149.8MB in the beginning and 136.0MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-22 22:20:37,967 INFO L158 Benchmark]: TraceAbstraction took 11825.52ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 135.2MB in the beginning and 137.2MB in the end (delta: -2.0MB). Peak memory consumption was 115.0MB. Max. memory is 16.1GB. [2024-11-22 22:20:37,967 INFO L158 Benchmark]: Witness Printer took 93.58ms. Allocated memory is still 218.1MB. Free memory was 137.2MB in the beginning and 131.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 22:20:37,968 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79ms. Allocated memory is still 138.4MB. Free memory is still 102.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 214.26ms. Allocated memory is still 138.4MB. Free memory was 68.4MB in the beginning and 56.0MB in the end (delta: 12.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.92ms. Allocated memory was 138.4MB in the beginning and 180.4MB in the end (delta: 41.9MB). Free memory was 56.0MB in the beginning and 150.2MB in the end (delta: -94.2MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.32ms. Allocated memory is still 180.4MB. Free memory was 150.2MB in the beginning and 149.8MB in the end (delta: 355.6kB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * RCFGBuilder took 255.99ms. Allocated memory is still 180.4MB. Free memory was 149.8MB in the beginning and 136.0MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 11825.52ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 135.2MB in the beginning and 137.2MB in the end (delta: -2.0MB). Peak memory consumption was 115.0MB. Max. memory is 16.1GB. * Witness Printer took 93.58ms. Allocated memory is still 218.1MB. Free memory was 137.2MB in the beginning and 131.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 58 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 10.6s, OverallIterations: 27, TraceHistogramMax: 7, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1335 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1335 mSDsluCounter, 2791 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2051 mSDsCounter, 61 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3278 IncrementalHoareTripleChecker+Invalid, 3339 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 61 mSolverCounterUnsat, 740 mSDtfsCounter, 3278 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1799 GetRequests, 1473 SyntacticMatches, 16 SemanticMatches, 310 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1416 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=219occurred in iteration=24, InterpolantAutomatonStates: 254, 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, 27 MinimizatonAttempts, 334 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 1955 NumberOfCodeBlocks, 1425 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 2633 ConstructedInterpolants, 0 QuantifiedInterpolants, 7546 SizeOfPredicates, 29 NumberOfNonLiveVariables, 1237 ConjunctsInSsa, 97 ConjunctsInUnsatCore, 53 InterpolantComputations, 16 PerfectInterpolantSequences, 1134/2738 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 18 specifications checked. All of them hold - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((((i == 1) && (0 <= ((long long) 999999 + n))) && (n <= 666666)) || (((i == 0) && (0 <= ((long long) 999999 + n))) && (n <= 666666))) || ((((0 <= ((long long) 999999 + n)) && (n <= 666666)) && (2 <= i)) && (i <= 715827881))) - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: ((((((((2 == j) && (i == 1)) && (0 <= ((long long) 999999 + n))) && (n <= 666666)) && (2 == k)) || (((((((i == k) && (((long long) j + 1) <= ((long long) 3 * i))) && (((long long) 2 + k) <= j)) && (0 <= ((long long) 999999 + n))) && (n <= 666666)) && (i <= 666665)) && (0 <= ((long long) j + 1431655764)))) || (((((((((long long) 2 + i) <= j) && (((long long) j + 1) <= ((long long) 3 * i))) && (0 <= ((long long) 999999 + n))) && (n <= 666666)) && (((long long) i + 1) <= k)) && (i <= 666665)) && (0 <= ((long long) j + 1431655764)))) || (((((k == 1) && (2 == j)) && (i == 1)) && (0 <= ((long long) 999999 + n))) && (n <= 666666))) - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: null RESULT: Ultimate proved your program to be correct! [2024-11-22 22:20:37,986 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE