./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_17_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_17_good.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 64bit --witnessprinter.graph.data.programhash 2a4409c920d55377bbb2356fdf832bc0f3a8c8336791cefcd16c5873f6587172 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 22:03:56,073 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 22:03:56,130 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-24 22:03:56,136 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 22:03:56,136 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 22:03:56,162 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 22:03:56,162 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 22:03:56,163 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 22:03:56,163 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 22:03:56,163 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 22:03:56,164 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 22:03:56,164 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 22:03:56,164 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 22:03:56,165 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 22:03:56,165 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 22:03:56,167 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 22:03:56,167 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 22:03:56,169 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 22:03:56,169 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 22:03:56,169 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 22:03:56,169 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 22:03:56,172 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 22:03:56,172 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 22:03:56,172 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 22:03:56,172 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 22:03:56,174 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 22:03:56,174 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 22:03:56,174 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 22:03:56,174 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 22:03:56,174 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 22:03:56,175 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 22:03:56,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 22:03:56,175 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 22:03:56,176 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 22:03:56,176 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 22:03:56,176 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 22:03:56,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 22:03:56,177 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 22:03:56,177 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 22:03:56,177 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 22:03:56,178 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 22:03:56,178 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a4409c920d55377bbb2356fdf832bc0f3a8c8336791cefcd16c5873f6587172 [2024-10-24 22:03:56,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 22:03:56,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 22:03:56,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 22:03:56,449 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 22:03:56,449 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 22:03:56,450 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_17_good.i [2024-10-24 22:03:57,876 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 22:03:58,378 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 22:03:58,378 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_17_good.i [2024-10-24 22:03:58,424 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9df9dfff2/1d4243a6f023441fb4d1991877135132/FLAG4fd0cbf08 [2024-10-24 22:03:58,488 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9df9dfff2/1d4243a6f023441fb4d1991877135132 [2024-10-24 22:03:58,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 22:03:58,491 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 22:03:58,498 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 22:03:58,498 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 22:03:58,503 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 22:03:58,508 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:03:58" (1/1) ... [2024-10-24 22:03:58,509 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e5a71d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:03:58, skipping insertion in model container [2024-10-24 22:03:58,512 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:03:58" (1/1) ... [2024-10-24 22:03:58,599 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 22:03:59,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 22:03:59,707 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 22:03:59,867 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 22:04:00,042 INFO L204 MainTranslator]: Completed translation [2024-10-24 22:04:00,043 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:00 WrapperNode [2024-10-24 22:04:00,043 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 22:04:00,044 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 22:04:00,048 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 22:04:00,048 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 22:04:00,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:00" (1/1) ... [2024-10-24 22:04:00,100 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:00" (1/1) ... [2024-10-24 22:04:00,150 INFO L138 Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 152 [2024-10-24 22:04:00,150 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 22:04:00,155 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 22:04:00,156 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 22:04:00,156 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 22:04:00,168 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:00" (1/1) ... [2024-10-24 22:04:00,172 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:00" (1/1) ... [2024-10-24 22:04:00,175 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:00" (1/1) ... [2024-10-24 22:04:00,205 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-24 22:04:00,205 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:00" (1/1) ... [2024-10-24 22:04:00,205 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:00" (1/1) ... [2024-10-24 22:04:00,218 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:00" (1/1) ... [2024-10-24 22:04:00,221 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:00" (1/1) ... [2024-10-24 22:04:00,222 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:00" (1/1) ... [2024-10-24 22:04:00,230 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:00" (1/1) ... [2024-10-24 22:04:00,231 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 22:04:00,240 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 22:04:00,240 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 22:04:00,240 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 22:04:00,241 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:00" (1/1) ... [2024-10-24 22:04:00,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 22:04:00,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 22:04:00,285 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 22:04:00,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 22:04:00,329 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-10-24 22:04:00,330 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-10-24 22:04:00,330 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-24 22:04:00,333 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-24 22:04:00,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 22:04:00,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 22:04:00,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 22:04:00,493 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 22:04:00,496 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 22:04:00,694 INFO L? ?]: Removed 70 outVars from TransFormulas that were not future-live. [2024-10-24 22:04:00,694 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 22:04:00,720 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 22:04:00,720 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-24 22:04:00,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:04:00 BoogieIcfgContainer [2024-10-24 22:04:00,721 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 22:04:00,723 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 22:04:00,723 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 22:04:00,726 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 22:04:00,727 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:03:58" (1/3) ... [2024-10-24 22:04:00,727 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31b6cbcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:04:00, skipping insertion in model container [2024-10-24 22:04:00,727 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:00" (2/3) ... [2024-10-24 22:04:00,728 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31b6cbcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:04:00, skipping insertion in model container [2024-10-24 22:04:00,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:04:00" (3/3) ... [2024-10-24 22:04:00,729 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_17_good.i [2024-10-24 22:04:00,744 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 22:04:00,744 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-10-24 22:04:00,793 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 22:04:00,799 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;@1e4d8d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 22:04:00,800 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-10-24 22:04:00,804 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 54 states have (on average 1.6481481481481481) internal successors, (89), 66 states have internal predecessors, (89), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-24 22:04:00,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-24 22:04:00,811 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:04:00,811 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:04:00,812 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-24 22:04:00,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:04:00,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1505119935, now seen corresponding path program 1 times [2024-10-24 22:04:00,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:04:00,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411845238] [2024-10-24 22:04:00,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:04:00,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:04:00,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:01,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 22:04:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:01,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 22:04:01,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:04:01,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411845238] [2024-10-24 22:04:01,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411845238] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 22:04:01,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 22:04:01,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 22:04:01,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323940409] [2024-10-24 22:04:01,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 22:04:01,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 22:04:01,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:04:01,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 22:04:01,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 22:04:01,116 INFO L87 Difference]: Start difference. First operand has 74 states, 54 states have (on average 1.6481481481481481) internal successors, (89), 66 states have internal predecessors, (89), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:04:01,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:04:01,158 INFO L93 Difference]: Finished difference Result 141 states and 190 transitions. [2024-10-24 22:04:01,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 22:04:01,160 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-10-24 22:04:01,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:04:01,195 INFO L225 Difference]: With dead ends: 141 [2024-10-24 22:04:01,195 INFO L226 Difference]: Without dead ends: 93 [2024-10-24 22:04:01,201 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 22:04:01,203 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 35 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 22:04:01,203 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 170 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 22:04:01,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-10-24 22:04:01,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 71. [2024-10-24 22:04:01,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 53 states have (on average 1.5660377358490567) internal successors, (83), 64 states have internal predecessors, (83), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 22:04:01,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 91 transitions. [2024-10-24 22:04:01,287 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 91 transitions. Word has length 12 [2024-10-24 22:04:01,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:04:01,289 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 91 transitions. [2024-10-24 22:04:01,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:04:01,289 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 91 transitions. [2024-10-24 22:04:01,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-24 22:04:01,291 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:04:01,291 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:04:01,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 22:04:01,292 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-24 22:04:01,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:04:01,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1358689112, now seen corresponding path program 1 times [2024-10-24 22:04:01,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:04:01,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588896314] [2024-10-24 22:04:01,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:04:01,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:04:01,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:01,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 22:04:01,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:01,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 22:04:01,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:04:01,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588896314] [2024-10-24 22:04:01,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588896314] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 22:04:01,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 22:04:01,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 22:04:01,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020413484] [2024-10-24 22:04:01,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 22:04:01,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 22:04:01,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:04:01,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 22:04:01,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 22:04:01,412 INFO L87 Difference]: Start difference. First operand 71 states and 91 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:04:01,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:04:01,463 INFO L93 Difference]: Finished difference Result 97 states and 130 transitions. [2024-10-24 22:04:01,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 22:04:01,464 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2024-10-24 22:04:01,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:04:01,465 INFO L225 Difference]: With dead ends: 97 [2024-10-24 22:04:01,465 INFO L226 Difference]: Without dead ends: 95 [2024-10-24 22:04:01,465 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 22:04:01,466 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 30 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 22:04:01,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 239 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 22:04:01,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-10-24 22:04:01,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2024-10-24 22:04:01,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 77 states have (on average 1.5584415584415585) internal successors, (120), 88 states have internal predecessors, (120), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 22:04:01,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 128 transitions. [2024-10-24 22:04:01,485 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 128 transitions. Word has length 15 [2024-10-24 22:04:01,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:04:01,486 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 128 transitions. [2024-10-24 22:04:01,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:04:01,486 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 128 transitions. [2024-10-24 22:04:01,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-24 22:04:01,487 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:04:01,487 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:04:01,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 22:04:01,487 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-24 22:04:01,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:04:01,488 INFO L85 PathProgramCache]: Analyzing trace with hash 250146891, now seen corresponding path program 1 times [2024-10-24 22:04:01,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:04:01,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781452221] [2024-10-24 22:04:01,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:04:01,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:04:01,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:01,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 22:04:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:01,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 22:04:01,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:04:01,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781452221] [2024-10-24 22:04:01,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781452221] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 22:04:01,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 22:04:01,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 22:04:01,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848244956] [2024-10-24 22:04:01,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 22:04:01,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 22:04:01,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:04:01,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 22:04:01,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 22:04:01,631 INFO L87 Difference]: Start difference. First operand 95 states and 128 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:04:01,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:04:01,665 INFO L93 Difference]: Finished difference Result 95 states and 128 transitions. [2024-10-24 22:04:01,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 22:04:01,666 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2024-10-24 22:04:01,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:04:01,667 INFO L225 Difference]: With dead ends: 95 [2024-10-24 22:04:01,667 INFO L226 Difference]: Without dead ends: 94 [2024-10-24 22:04:01,668 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 22:04:01,669 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 48 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 22:04:01,669 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 104 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 22:04:01,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-10-24 22:04:01,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-10-24 22:04:01,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 77 states have (on average 1.5454545454545454) internal successors, (119), 87 states have internal predecessors, (119), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 22:04:01,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 127 transitions. [2024-10-24 22:04:01,680 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 127 transitions. Word has length 21 [2024-10-24 22:04:01,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:04:01,681 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 127 transitions. [2024-10-24 22:04:01,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:04:01,681 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 127 transitions. [2024-10-24 22:04:01,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-24 22:04:01,682 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:04:01,682 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:04:01,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 22:04:01,682 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-24 22:04:01,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:04:01,683 INFO L85 PathProgramCache]: Analyzing trace with hash -835418638, now seen corresponding path program 1 times [2024-10-24 22:04:01,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:04:01,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745901] [2024-10-24 22:04:01,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:04:01,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:04:01,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:01,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 22:04:01,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:01,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-24 22:04:01,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:04:01,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745901] [2024-10-24 22:04:01,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745901] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 22:04:01,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 22:04:01,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 22:04:01,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690147674] [2024-10-24 22:04:01,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 22:04:01,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 22:04:01,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:04:01,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 22:04:01,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 22:04:01,749 INFO L87 Difference]: Start difference. First operand 94 states and 127 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:04:01,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:04:01,790 INFO L93 Difference]: Finished difference Result 124 states and 162 transitions. [2024-10-24 22:04:01,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 22:04:01,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2024-10-24 22:04:01,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:04:01,791 INFO L225 Difference]: With dead ends: 124 [2024-10-24 22:04:01,791 INFO L226 Difference]: Without dead ends: 104 [2024-10-24 22:04:01,792 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 22:04:01,793 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 8 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 22:04:01,793 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 159 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 22:04:01,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-10-24 22:04:01,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 95. [2024-10-24 22:04:01,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 78 states have (on average 1.5384615384615385) internal successors, (120), 88 states have internal predecessors, (120), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 22:04:01,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 128 transitions. [2024-10-24 22:04:01,808 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 128 transitions. Word has length 22 [2024-10-24 22:04:01,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:04:01,811 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 128 transitions. [2024-10-24 22:04:01,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:04:01,811 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 128 transitions. [2024-10-24 22:04:01,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-24 22:04:01,811 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:04:01,811 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:04:01,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 22:04:01,812 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-24 22:04:01,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:04:01,812 INFO L85 PathProgramCache]: Analyzing trace with hash -835380815, now seen corresponding path program 1 times [2024-10-24 22:04:01,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:04:01,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434663266] [2024-10-24 22:04:01,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:04:01,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:04:01,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:01,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 22:04:01,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:01,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-24 22:04:01,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:04:01,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434663266] [2024-10-24 22:04:01,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434663266] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 22:04:01,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 22:04:01,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 22:04:01,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999068775] [2024-10-24 22:04:01,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 22:04:01,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 22:04:01,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:04:01,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 22:04:01,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 22:04:01,867 INFO L87 Difference]: Start difference. First operand 95 states and 128 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:04:01,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:04:01,897 INFO L93 Difference]: Finished difference Result 140 states and 181 transitions. [2024-10-24 22:04:01,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 22:04:01,898 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2024-10-24 22:04:01,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:04:01,900 INFO L225 Difference]: With dead ends: 140 [2024-10-24 22:04:01,900 INFO L226 Difference]: Without dead ends: 102 [2024-10-24 22:04:01,901 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 22:04:01,904 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 44 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 22:04:01,905 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 157 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 22:04:01,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-10-24 22:04:01,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 99. [2024-10-24 22:04:01,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 83 states have (on average 1.5301204819277108) internal successors, (127), 92 states have internal predecessors, (127), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 22:04:01,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 135 transitions. [2024-10-24 22:04:01,916 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 135 transitions. Word has length 22 [2024-10-24 22:04:01,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:04:01,916 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 135 transitions. [2024-10-24 22:04:01,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:04:01,916 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 135 transitions. [2024-10-24 22:04:01,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-24 22:04:01,920 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:04:01,920 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:04:01,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 22:04:01,920 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-24 22:04:01,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:04:01,921 INFO L85 PathProgramCache]: Analyzing trace with hash 2147046988, now seen corresponding path program 1 times [2024-10-24 22:04:01,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:04:01,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171521181] [2024-10-24 22:04:01,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:04:01,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:04:01,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:01,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 22:04:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:01,995 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 22:04:01,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:04:01,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171521181] [2024-10-24 22:04:01,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171521181] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 22:04:01,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730794603] [2024-10-24 22:04:01,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:04:01,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 22:04:01,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 22:04:01,999 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 22:04:02,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 22:04:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:02,071 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 22:04:02,074 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 22:04:02,124 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 22:04:02,125 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 22:04:02,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [730794603] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 22:04:02,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 22:04:02,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-10-24 22:04:02,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477190000] [2024-10-24 22:04:02,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 22:04:02,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 22:04:02,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:04:02,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 22:04:02,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-24 22:04:02,129 INFO L87 Difference]: Start difference. First operand 99 states and 135 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:04:02,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:04:02,162 INFO L93 Difference]: Finished difference Result 144 states and 189 transitions. [2024-10-24 22:04:02,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 22:04:02,163 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2024-10-24 22:04:02,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:04:02,163 INFO L225 Difference]: With dead ends: 144 [2024-10-24 22:04:02,163 INFO L226 Difference]: Without dead ends: 73 [2024-10-24 22:04:02,164 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-24 22:04:02,165 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 29 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 22:04:02,166 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 268 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 22:04:02,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-10-24 22:04:02,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-10-24 22:04:02,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 59 states have (on average 1.4745762711864407) internal successors, (87), 66 states have internal predecessors, (87), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 22:04:02,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 95 transitions. [2024-10-24 22:04:02,175 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 95 transitions. Word has length 24 [2024-10-24 22:04:02,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:04:02,175 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 95 transitions. [2024-10-24 22:04:02,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:04:02,175 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 95 transitions. [2024-10-24 22:04:02,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-24 22:04:02,176 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:04:02,176 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:04:02,194 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-24 22:04:02,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-24 22:04:02,377 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-24 22:04:02,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:04:02,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1403571016, now seen corresponding path program 1 times [2024-10-24 22:04:02,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:04:02,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175518477] [2024-10-24 22:04:02,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:04:02,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:04:02,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:02,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 22:04:02,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:02,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 22:04:02,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:02,511 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-24 22:04:02,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:04:02,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175518477] [2024-10-24 22:04:02,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175518477] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 22:04:02,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 22:04:02,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 22:04:02,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239281437] [2024-10-24 22:04:02,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 22:04:02,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 22:04:02,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:04:02,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 22:04:02,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 22:04:02,517 INFO L87 Difference]: Start difference. First operand 73 states and 95 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 22:04:02,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:04:02,581 INFO L93 Difference]: Finished difference Result 88 states and 115 transitions. [2024-10-24 22:04:02,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 22:04:02,582 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 28 [2024-10-24 22:04:02,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:04:02,582 INFO L225 Difference]: With dead ends: 88 [2024-10-24 22:04:02,582 INFO L226 Difference]: Without dead ends: 86 [2024-10-24 22:04:02,583 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 22:04:02,583 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 5 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 22:04:02,583 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 223 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 22:04:02,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-10-24 22:04:02,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-10-24 22:04:02,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 70 states have (on average 1.4142857142857144) internal successors, (99), 77 states have internal predecessors, (99), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-24 22:04:02,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 111 transitions. [2024-10-24 22:04:02,588 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 111 transitions. Word has length 28 [2024-10-24 22:04:02,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:04:02,588 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 111 transitions. [2024-10-24 22:04:02,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 22:04:02,588 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 111 transitions. [2024-10-24 22:04:02,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-10-24 22:04:02,589 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:04:02,589 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:04:02,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 22:04:02,589 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-24 22:04:02,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:04:02,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1904861270, now seen corresponding path program 1 times [2024-10-24 22:04:02,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:04:02,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142373181] [2024-10-24 22:04:02,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:04:02,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:04:02,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:02,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 22:04:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:02,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 22:04:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:02,633 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-24 22:04:02,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:04:02,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142373181] [2024-10-24 22:04:02,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142373181] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 22:04:02,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 22:04:02,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 22:04:02,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846956500] [2024-10-24 22:04:02,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 22:04:02,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 22:04:02,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:04:02,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 22:04:02,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 22:04:02,634 INFO L87 Difference]: Start difference. First operand 86 states and 111 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 22:04:02,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:04:02,658 INFO L93 Difference]: Finished difference Result 105 states and 131 transitions. [2024-10-24 22:04:02,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 22:04:02,658 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2024-10-24 22:04:02,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:04:02,659 INFO L225 Difference]: With dead ends: 105 [2024-10-24 22:04:02,659 INFO L226 Difference]: Without dead ends: 89 [2024-10-24 22:04:02,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 22:04:02,660 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 1 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 22:04:02,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 232 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 22:04:02,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-10-24 22:04:02,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-10-24 22:04:02,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 73 states have (on average 1.3972602739726028) internal successors, (102), 80 states have internal predecessors, (102), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-24 22:04:02,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 114 transitions. [2024-10-24 22:04:02,664 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 114 transitions. Word has length 33 [2024-10-24 22:04:02,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:04:02,664 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 114 transitions. [2024-10-24 22:04:02,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 22:04:02,664 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 114 transitions. [2024-10-24 22:04:02,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-10-24 22:04:02,665 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:04:02,665 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:04:02,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 22:04:02,665 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-24 22:04:02,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:04:02,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1680601263, now seen corresponding path program 1 times [2024-10-24 22:04:02,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:04:02,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873536136] [2024-10-24 22:04:02,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:04:02,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:04:02,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:02,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 22:04:02,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:02,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 22:04:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:02,715 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-24 22:04:02,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:04:02,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873536136] [2024-10-24 22:04:02,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873536136] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 22:04:02,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679514112] [2024-10-24 22:04:02,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:04:02,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 22:04:02,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 22:04:02,717 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 22:04:02,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 22:04:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:02,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 22:04:02,802 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 22:04:02,825 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-24 22:04:02,825 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 22:04:02,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679514112] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 22:04:02,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 22:04:02,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-10-24 22:04:02,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773994097] [2024-10-24 22:04:02,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 22:04:02,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 22:04:02,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:04:02,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 22:04:02,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-24 22:04:02,826 INFO L87 Difference]: Start difference. First operand 89 states and 114 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 22:04:02,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:04:02,841 INFO L93 Difference]: Finished difference Result 104 states and 130 transitions. [2024-10-24 22:04:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 22:04:02,842 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2024-10-24 22:04:02,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:04:02,843 INFO L225 Difference]: With dead ends: 104 [2024-10-24 22:04:02,843 INFO L226 Difference]: Without dead ends: 85 [2024-10-24 22:04:02,843 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-24 22:04:02,843 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 0 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 22:04:02,844 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 226 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 22:04:02,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-10-24 22:04:02,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2024-10-24 22:04:02,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 71 states have (on average 1.3661971830985915) internal successors, (97), 76 states have internal predecessors, (97), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-24 22:04:02,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 109 transitions. [2024-10-24 22:04:02,847 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 109 transitions. Word has length 36 [2024-10-24 22:04:02,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:04:02,848 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 109 transitions. [2024-10-24 22:04:02,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 22:04:02,848 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 109 transitions. [2024-10-24 22:04:02,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-24 22:04:02,849 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:04:02,849 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:04:02,868 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 22:04:03,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-10-24 22:04:03,050 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-24 22:04:03,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:04:03,051 INFO L85 PathProgramCache]: Analyzing trace with hash -151796430, now seen corresponding path program 1 times [2024-10-24 22:04:03,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:04:03,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44284171] [2024-10-24 22:04:03,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:04:03,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:04:03,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:03,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 22:04:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:03,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 22:04:03,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:03,094 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-24 22:04:03,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:04:03,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44284171] [2024-10-24 22:04:03,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44284171] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 22:04:03,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 22:04:03,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 22:04:03,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89605449] [2024-10-24 22:04:03,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 22:04:03,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 22:04:03,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:04:03,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 22:04:03,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 22:04:03,096 INFO L87 Difference]: Start difference. First operand 85 states and 109 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 22:04:03,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:04:03,109 INFO L93 Difference]: Finished difference Result 85 states and 109 transitions. [2024-10-24 22:04:03,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 22:04:03,109 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38 [2024-10-24 22:04:03,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:04:03,110 INFO L225 Difference]: With dead ends: 85 [2024-10-24 22:04:03,110 INFO L226 Difference]: Without dead ends: 83 [2024-10-24 22:04:03,110 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 22:04:03,111 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 7 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 22:04:03,111 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 139 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 22:04:03,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-10-24 22:04:03,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-10-24 22:04:03,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 71 states have (on average 1.3380281690140845) internal successors, (95), 74 states have internal predecessors, (95), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-24 22:04:03,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 107 transitions. [2024-10-24 22:04:03,115 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 107 transitions. Word has length 38 [2024-10-24 22:04:03,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:04:03,115 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 107 transitions. [2024-10-24 22:04:03,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 22:04:03,115 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 107 transitions. [2024-10-24 22:04:03,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-24 22:04:03,116 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:04:03,116 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1] [2024-10-24 22:04:03,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 22:04:03,116 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-24 22:04:03,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:04:03,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1454388252, now seen corresponding path program 1 times [2024-10-24 22:04:03,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:04:03,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049431265] [2024-10-24 22:04:03,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:04:03,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:04:03,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:03,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 22:04:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:03,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 22:04:03,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:03,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 22:04:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:03,174 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-24 22:04:03,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:04:03,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049431265] [2024-10-24 22:04:03,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049431265] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 22:04:03,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1838791995] [2024-10-24 22:04:03,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:04:03,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 22:04:03,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 22:04:03,181 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 22:04:03,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 22:04:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:03,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 22:04:03,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 22:04:03,268 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-24 22:04:03,268 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 22:04:03,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1838791995] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 22:04:03,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 22:04:03,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-10-24 22:04:03,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624467364] [2024-10-24 22:04:03,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 22:04:03,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 22:04:03,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:04:03,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 22:04:03,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-24 22:04:03,269 INFO L87 Difference]: Start difference. First operand 83 states and 107 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 22:04:03,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:04:03,300 INFO L93 Difference]: Finished difference Result 106 states and 132 transitions. [2024-10-24 22:04:03,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 22:04:03,301 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 39 [2024-10-24 22:04:03,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:04:03,302 INFO L225 Difference]: With dead ends: 106 [2024-10-24 22:04:03,302 INFO L226 Difference]: Without dead ends: 67 [2024-10-24 22:04:03,302 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-24 22:04:03,302 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 4 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 22:04:03,303 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 203 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 22:04:03,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-10-24 22:04:03,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2024-10-24 22:04:03,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 55 states have (on average 1.309090909090909) internal successors, (72), 56 states have internal predecessors, (72), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 22:04:03,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 80 transitions. [2024-10-24 22:04:03,306 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 80 transitions. Word has length 39 [2024-10-24 22:04:03,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:04:03,306 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 80 transitions. [2024-10-24 22:04:03,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 22:04:03,307 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2024-10-24 22:04:03,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-24 22:04:03,307 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:04:03,307 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:04:03,320 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-24 22:04:03,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 22:04:03,512 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-24 22:04:03,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:04:03,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1695521910, now seen corresponding path program 1 times [2024-10-24 22:04:03,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:04:03,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345967702] [2024-10-24 22:04:03,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:04:03,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:04:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:03,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 22:04:03,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:03,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 22:04:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:03,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 22:04:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:03,583 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-24 22:04:03,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:04:03,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345967702] [2024-10-24 22:04:03,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345967702] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 22:04:03,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 22:04:03,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 22:04:03,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93048014] [2024-10-24 22:04:03,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 22:04:03,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 22:04:03,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:04:03,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 22:04:03,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 22:04:03,585 INFO L87 Difference]: Start difference. First operand 63 states and 80 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-24 22:04:03,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:04:03,605 INFO L93 Difference]: Finished difference Result 72 states and 90 transitions. [2024-10-24 22:04:03,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 22:04:03,605 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 44 [2024-10-24 22:04:03,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:04:03,606 INFO L225 Difference]: With dead ends: 72 [2024-10-24 22:04:03,606 INFO L226 Difference]: Without dead ends: 70 [2024-10-24 22:04:03,606 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 22:04:03,606 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 1 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 22:04:03,606 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 211 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 22:04:03,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-10-24 22:04:03,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2024-10-24 22:04:03,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 61 states have (on average 1.278688524590164) internal successors, (78), 62 states have internal predecessors, (78), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-24 22:04:03,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 88 transitions. [2024-10-24 22:04:03,610 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 88 transitions. Word has length 44 [2024-10-24 22:04:03,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:04:03,610 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 88 transitions. [2024-10-24 22:04:03,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-24 22:04:03,611 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 88 transitions. [2024-10-24 22:04:03,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-10-24 22:04:03,611 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:04:03,611 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:04:03,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 22:04:03,612 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-24 22:04:03,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:04:03,612 INFO L85 PathProgramCache]: Analyzing trace with hash 2067583394, now seen corresponding path program 1 times [2024-10-24 22:04:03,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:04:03,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649302360] [2024-10-24 22:04:03,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:04:03,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:04:03,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:03,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 22:04:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:03,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 22:04:03,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:03,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 22:04:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:03,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 22:04:03,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:03,671 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-24 22:04:03,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:04:03,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649302360] [2024-10-24 22:04:03,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649302360] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 22:04:03,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [285495118] [2024-10-24 22:04:03,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:04:03,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 22:04:03,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 22:04:03,673 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 22:04:03,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 22:04:03,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:03,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 22:04:03,737 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 22:04:03,766 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-24 22:04:03,767 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 22:04:03,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [285495118] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 22:04:03,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 22:04:03,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-10-24 22:04:03,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065432515] [2024-10-24 22:04:03,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 22:04:03,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 22:04:03,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:04:03,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 22:04:03,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-24 22:04:03,768 INFO L87 Difference]: Start difference. First operand 70 states and 88 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-24 22:04:03,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:04:03,797 INFO L93 Difference]: Finished difference Result 73 states and 90 transitions. [2024-10-24 22:04:03,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 22:04:03,797 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 53 [2024-10-24 22:04:03,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:04:03,797 INFO L225 Difference]: With dead ends: 73 [2024-10-24 22:04:03,797 INFO L226 Difference]: Without dead ends: 0 [2024-10-24 22:04:03,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-24 22:04:03,798 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 0 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 22:04:03,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 271 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 22:04:03,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-24 22:04:03,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-24 22:04:03,799 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) [2024-10-24 22:04:03,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-24 22:04:03,799 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 53 [2024-10-24 22:04:03,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:04:03,799 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-24 22:04:03,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-24 22:04:03,799 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-24 22:04:03,799 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-24 22:04:03,802 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2024-10-24 22:04:03,802 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2024-10-24 22:04:03,802 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2024-10-24 22:04:03,802 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2024-10-24 22:04:03,802 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2024-10-24 22:04:03,802 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2024-10-24 22:04:03,802 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2024-10-24 22:04:03,803 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2024-10-24 22:04:03,803 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2024-10-24 22:04:03,803 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2024-10-24 22:04:03,803 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2024-10-24 22:04:03,803 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2024-10-24 22:04:03,816 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-24 22:04:04,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 22:04:04,006 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:04:04,008 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-24 22:04:04,078 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 22:04:04,092 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-10-24 22:04:04,093 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-10-24 22:04:04,093 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-10-24 22:04:04,093 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISupper [2024-10-24 22:04:04,093 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISlower [2024-10-24 22:04:04,093 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalpha [2024-10-24 22:04:04,093 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISdigit [2024-10-24 22:04:04,093 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISxdigit [2024-10-24 22:04:04,093 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISspace [2024-10-24 22:04:04,094 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISprint [2024-10-24 22:04:04,094 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISgraph [2024-10-24 22:04:04,094 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISblank [2024-10-24 22:04:04,094 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IScntrl [2024-10-24 22:04:04,094 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISpunct [2024-10-24 22:04:04,094 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalnum [2024-10-24 22:04:04,094 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwupper [2024-10-24 22:04:04,094 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwlower [2024-10-24 22:04:04,094 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalpha [2024-10-24 22:04:04,094 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwdigit [2024-10-24 22:04:04,095 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwxdigit [2024-10-24 22:04:04,095 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwspace [2024-10-24 22:04:04,095 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwprint [2024-10-24 22:04:04,095 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwgraph [2024-10-24 22:04:04,095 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwblank [2024-10-24 22:04:04,095 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwcntrl [2024-10-24 22:04:04,095 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwpunct [2024-10-24 22:04:04,095 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalnum [2024-10-24 22:04:04,095 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwupper [2024-10-24 22:04:04,095 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwlower [2024-10-24 22:04:04,095 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalpha [2024-10-24 22:04:04,095 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwdigit [2024-10-24 22:04:04,096 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwxdigit [2024-10-24 22:04:04,096 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwspace [2024-10-24 22:04:04,096 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwprint [2024-10-24 22:04:04,096 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwgraph [2024-10-24 22:04:04,096 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwblank [2024-10-24 22:04:04,096 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwcntrl [2024-10-24 22:04:04,096 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwpunct [2024-10-24 22:04:04,096 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalnum [2024-10-24 22:04:04,098 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-10-24 22:04:04,098 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-10-24 22:04:04,098 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-10-24 22:04:04,098 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISupper [2024-10-24 22:04:04,098 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISlower [2024-10-24 22:04:04,098 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalpha [2024-10-24 22:04:04,098 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISdigit [2024-10-24 22:04:04,098 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISxdigit [2024-10-24 22:04:04,098 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISspace [2024-10-24 22:04:04,099 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISprint [2024-10-24 22:04:04,099 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISgraph [2024-10-24 22:04:04,099 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISblank [2024-10-24 22:04:04,099 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IScntrl [2024-10-24 22:04:04,099 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISpunct [2024-10-24 22:04:04,099 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalnum [2024-10-24 22:04:04,099 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwupper [2024-10-24 22:04:04,099 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwlower [2024-10-24 22:04:04,099 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalpha [2024-10-24 22:04:04,099 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwdigit [2024-10-24 22:04:04,099 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwxdigit [2024-10-24 22:04:04,100 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwspace [2024-10-24 22:04:04,100 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwprint [2024-10-24 22:04:04,100 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwgraph [2024-10-24 22:04:04,100 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwblank [2024-10-24 22:04:04,100 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwcntrl [2024-10-24 22:04:04,100 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwpunct [2024-10-24 22:04:04,100 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalnum [2024-10-24 22:04:04,100 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwupper [2024-10-24 22:04:04,100 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwlower [2024-10-24 22:04:04,100 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalpha [2024-10-24 22:04:04,100 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwdigit [2024-10-24 22:04:04,100 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwxdigit [2024-10-24 22:04:04,100 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwspace [2024-10-24 22:04:04,100 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwprint [2024-10-24 22:04:04,100 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwgraph [2024-10-24 22:04:04,101 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwblank [2024-10-24 22:04:04,101 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwcntrl [2024-10-24 22:04:04,101 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwpunct [2024-10-24 22:04:04,101 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalnum [2024-10-24 22:04:04,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:04:04 BoogieIcfgContainer [2024-10-24 22:04:04,101 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 22:04:04,102 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 22:04:04,102 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 22:04:04,102 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 22:04:04,102 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:04:00" (3/4) ... [2024-10-24 22:04:04,104 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 22:04:04,106 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-10-24 22:04:04,107 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-10-24 22:04:04,110 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2024-10-24 22:04:04,110 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-10-24 22:04:04,111 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-24 22:04:04,186 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 22:04:04,187 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 22:04:04,187 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 22:04:04,187 INFO L158 Benchmark]: Toolchain (without parser) took 5696.34ms. Allocated memory was 151.0MB in the beginning and 226.5MB in the end (delta: 75.5MB). Free memory was 75.0MB in the beginning and 113.9MB in the end (delta: -38.8MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2024-10-24 22:04:04,187 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 151.0MB. Free memory is still 102.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 22:04:04,187 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1545.89ms. Allocated memory was 151.0MB in the beginning and 226.5MB in the end (delta: 75.5MB). Free memory was 74.8MB in the beginning and 153.8MB in the end (delta: -78.9MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. [2024-10-24 22:04:04,188 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.77ms. Allocated memory is still 226.5MB. Free memory was 153.8MB in the beginning and 150.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 22:04:04,188 INFO L158 Benchmark]: Boogie Preprocessor took 76.10ms. Allocated memory is still 226.5MB. Free memory was 150.5MB in the beginning and 147.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 22:04:04,188 INFO L158 Benchmark]: RCFGBuilder took 481.02ms. Allocated memory is still 226.5MB. Free memory was 147.5MB in the beginning and 125.5MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-24 22:04:04,188 INFO L158 Benchmark]: TraceAbstraction took 3377.90ms. Allocated memory is still 226.5MB. Free memory was 125.5MB in the beginning and 121.2MB in the end (delta: 4.3MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2024-10-24 22:04:04,188 INFO L158 Benchmark]: Witness Printer took 85.18ms. Allocated memory is still 226.5MB. Free memory was 121.2MB in the beginning and 113.9MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-24 22:04:04,189 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 151.0MB. Free memory is still 102.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1545.89ms. Allocated memory was 151.0MB in the beginning and 226.5MB in the end (delta: 75.5MB). Free memory was 74.8MB in the beginning and 153.8MB in the end (delta: -78.9MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 110.77ms. Allocated memory is still 226.5MB. Free memory was 153.8MB in the beginning and 150.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.10ms. Allocated memory is still 226.5MB. Free memory was 150.5MB in the beginning and 147.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 481.02ms. Allocated memory is still 226.5MB. Free memory was 147.5MB in the beginning and 125.5MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 3377.90ms. Allocated memory is still 226.5MB. Free memory was 125.5MB in the beginning and 121.2MB in the end (delta: 4.3MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. * Witness Printer took 85.18ms. Allocated memory is still 226.5MB. Free memory was 121.2MB in the beginning and 113.9MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISupper - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISlower - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalpha - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISxdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISspace - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISprint - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISgraph - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISblank - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IScntrl - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISpunct - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalnum - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwupper - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwlower - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalpha - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwxdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwspace - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwprint - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwgraph - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwblank - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwcntrl - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwpunct - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalnum - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwupper - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwlower - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalpha - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwxdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwspace - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwprint - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwgraph - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwblank - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwcntrl - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwpunct - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalnum - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISupper - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISlower - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalpha - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISxdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISspace - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISprint - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISgraph - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISblank - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IScntrl - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISpunct - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalnum - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwupper - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwlower - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalpha - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwxdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwspace - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwprint - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwgraph - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwblank - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwcntrl - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwpunct - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalnum - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwupper - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwlower - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalpha - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwxdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwspace - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwprint - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwgraph - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwblank - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwcntrl - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwpunct - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalnum * 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: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1575]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1575]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1579]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1579]: 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 3 procedures, 74 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 13, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 220 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 212 mSDsluCounter, 2602 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1594 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 321 IncrementalHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 1008 mSDtfsCounter, 321 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 240 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=99occurred in iteration=5, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 38 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 539 NumberOfCodeBlocks, 539 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 522 ConstructedInterpolants, 0 QuantifiedInterpolants, 734 SizeOfPredicates, 0 NumberOfNonLiveVariables, 547 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 17 InterpolantComputations, 13 PerfectInterpolantSequences, 124/128 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 1575]: Loop Invariant Derived loop invariant: (((1 <= h) && (data == 2)) || (h == 0)) - InvariantResult [Line: 1557]: Loop Invariant Derived loop invariant: (((k == 0) && (0 <= (data + 2147483648))) || ((1 <= k) && (0 <= (data + 2147483648)))) - InvariantResult [Line: 1579]: Loop Invariant Derived loop invariant: (((1 <= j) && (data == 2)) || ((j == 0) && (data == 2))) - InvariantResult [Line: 1553]: Loop Invariant Derived loop invariant: (((1 <= i) && (0 <= (data + 2147483648))) || (((0 <= (data + 2147483648)) && (i == 0)) && (data <= 2147483646))) - ProcedureContractResult [Line: 1412]: Procedure Contract for printLine Derived contract for procedure printLine. Ensures: (((((((((((((((((stdin == \old(stdin)) && (stdout == \old(stdout))) && (stderr == \old(stderr))) && (__tzname == \old(__tzname))) && (__daylight == \old(__daylight))) && (__timezone == \old(__timezone))) && (tzname == \old(tzname))) && (daylight == \old(daylight))) && (timezone == \old(timezone))) && (GLOBAL_CONST_TRUE == \old(GLOBAL_CONST_TRUE))) && (GLOBAL_CONST_FALSE == \old(GLOBAL_CONST_FALSE))) && (GLOBAL_CONST_FIVE == \old(GLOBAL_CONST_FIVE))) && (globalTrue == \old(globalTrue))) && (globalFalse == \old(globalFalse))) && (globalFive == \old(globalFive))) && (globalArgc == \old(globalArgc))) && (globalArgv == \old(globalArgv))) - ProcedureContractResult [Line: 1426]: Procedure Contract for printIntLine Derived contract for procedure printIntLine. Ensures: (((((((((((((((((stdin == \old(stdin)) && (stdout == \old(stdout))) && (stderr == \old(stderr))) && (__tzname == \old(__tzname))) && (__daylight == \old(__daylight))) && (__timezone == \old(__timezone))) && (tzname == \old(tzname))) && (daylight == \old(daylight))) && (timezone == \old(timezone))) && (GLOBAL_CONST_TRUE == \old(GLOBAL_CONST_TRUE))) && (GLOBAL_CONST_FALSE == \old(GLOBAL_CONST_FALSE))) && (GLOBAL_CONST_FIVE == \old(GLOBAL_CONST_FIVE))) && (globalTrue == \old(globalTrue))) && (globalFalse == \old(globalFalse))) && (globalFive == \old(globalFive))) && (globalArgc == \old(globalArgc))) && (globalArgv == \old(globalArgv))) RESULT: Ultimate proved your program to be correct! [2024-10-24 22:04:04,219 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