./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i15_o15-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d 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/recursive-simple/id_i15_o15-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 715908359373978289cc76ce2f00faf49f4d4a3c6ddae64771646fc969bea981 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 14:00:11,968 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 14:00:12,035 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 14:00:12,039 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 14:00:12,040 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 14:00:12,069 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 14:00:12,070 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 14:00:12,071 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 14:00:12,072 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 14:00:12,073 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 14:00:12,074 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 14:00:12,075 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 14:00:12,075 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 14:00:12,075 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 14:00:12,076 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 14:00:12,077 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 14:00:12,077 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 14:00:12,078 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 14:00:12,078 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 14:00:12,078 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 14:00:12,078 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 14:00:12,079 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 14:00:12,079 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 14:00:12,080 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 14:00:12,080 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 14:00:12,080 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 14:00:12,080 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 14:00:12,081 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 14:00:12,081 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 14:00:12,081 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 14:00:12,081 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 14:00:12,082 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 14:00:12,082 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 14:00:12,082 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 14:00:12,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 14:00:12,083 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 14:00:12,083 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 14:00:12,083 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 14:00:12,084 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 14:00:12,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 14:00:12,084 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 14:00:12,085 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 14:00:12,085 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 14:00:12,085 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 14:00:12,085 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 715908359373978289cc76ce2f00faf49f4d4a3c6ddae64771646fc969bea981 [2024-10-13 14:00:12,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 14:00:12,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 14:00:12,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 14:00:12,362 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 14:00:12,363 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 14:00:12,364 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i15_o15-1.c [2024-10-13 14:00:13,755 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 14:00:13,937 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 14:00:13,939 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i15_o15-1.c [2024-10-13 14:00:13,946 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c82b987c/ac505d19c56c45828a90e6bcd9a13ed6/FLAG83e5ee8e9 [2024-10-13 14:00:14,343 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c82b987c/ac505d19c56c45828a90e6bcd9a13ed6 [2024-10-13 14:00:14,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 14:00:14,348 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 14:00:14,351 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 14:00:14,352 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 14:00:14,357 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 14:00:14,357 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 02:00:14" (1/1) ... [2024-10-13 14:00:14,358 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@682887cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:00:14, skipping insertion in model container [2024-10-13 14:00:14,358 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 02:00:14" (1/1) ... [2024-10-13 14:00:14,373 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 14:00:14,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 14:00:14,594 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 14:00:14,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 14:00:14,620 INFO L204 MainTranslator]: Completed translation [2024-10-13 14:00:14,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:00:14 WrapperNode [2024-10-13 14:00:14,621 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 14:00:14,622 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 14:00:14,622 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 14:00:14,622 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 14:00:14,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:00:14" (1/1) ... [2024-10-13 14:00:14,633 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:00:14" (1/1) ... [2024-10-13 14:00:14,649 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 19 [2024-10-13 14:00:14,649 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 14:00:14,650 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 14:00:14,650 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 14:00:14,650 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 14:00:14,658 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:00:14" (1/1) ... [2024-10-13 14:00:14,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:00:14" (1/1) ... [2024-10-13 14:00:14,659 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:00:14" (1/1) ... [2024-10-13 14:00:14,667 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-13 14:00:14,667 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:00:14" (1/1) ... [2024-10-13 14:00:14,667 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:00:14" (1/1) ... [2024-10-13 14:00:14,669 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:00:14" (1/1) ... [2024-10-13 14:00:14,670 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:00:14" (1/1) ... [2024-10-13 14:00:14,671 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:00:14" (1/1) ... [2024-10-13 14:00:14,672 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:00:14" (1/1) ... [2024-10-13 14:00:14,674 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 14:00:14,675 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 14:00:14,675 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 14:00:14,675 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 14:00:14,676 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:00:14" (1/1) ... [2024-10-13 14:00:14,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 14:00:14,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 14:00:14,710 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) [2024-10-13 14:00:14,717 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 [2024-10-13 14:00:14,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 14:00:14,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 14:00:14,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 14:00:14,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 14:00:14,766 INFO L130 BoogieDeclarations]: Found specification of procedure id [2024-10-13 14:00:14,766 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2024-10-13 14:00:14,831 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 14:00:14,833 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 14:00:14,965 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-10-13 14:00:14,966 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 14:00:15,002 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 14:00:15,006 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 14:00:15,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 02:00:15 BoogieIcfgContainer [2024-10-13 14:00:15,007 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 14:00:15,010 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 14:00:15,010 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 14:00:15,013 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 14:00:15,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 02:00:14" (1/3) ... [2024-10-13 14:00:15,014 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@562a2a69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 02:00:15, skipping insertion in model container [2024-10-13 14:00:15,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:00:14" (2/3) ... [2024-10-13 14:00:15,016 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@562a2a69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 02:00:15, skipping insertion in model container [2024-10-13 14:00:15,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 02:00:15" (3/3) ... [2024-10-13 14:00:15,017 INFO L112 eAbstractionObserver]: Analyzing ICFG id_i15_o15-1.c [2024-10-13 14:00:15,033 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 14:00:15,034 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-13 14:00:15,098 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 14:00:15,107 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;@33a80c8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 14:00:15,108 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-13 14:00:15,113 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 12 states have (on average 1.5) internal successors, (18), 16 states have internal predecessors, (18), 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) [2024-10-13 14:00:15,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-13 14:00:15,122 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:00:15,123 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-13 14:00:15,123 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 14:00:15,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:00:15,128 INFO L85 PathProgramCache]: Analyzing trace with hash 63799541, now seen corresponding path program 1 times [2024-10-13 14:00:15,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:00:15,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305954842] [2024-10-13 14:00:15,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:00:15,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:00:15,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:15,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:00:15,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:00:15,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305954842] [2024-10-13 14:00:15,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305954842] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 14:00:15,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 14:00:15,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 14:00:15,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063938904] [2024-10-13 14:00:15,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 14:00:15,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 14:00:15,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:00:15,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 14:00:15,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 14:00:15,354 INFO L87 Difference]: Start difference. First operand has 20 states, 12 states have (on average 1.5) internal successors, (18), 16 states have internal predecessors, (18), 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) Second operand has 5 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:00:15,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:00:15,444 INFO L93 Difference]: Finished difference Result 40 states and 43 transitions. [2024-10-13 14:00:15,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 14:00:15,451 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-13 14:00:15,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:00:15,456 INFO L225 Difference]: With dead ends: 40 [2024-10-13 14:00:15,456 INFO L226 Difference]: Without dead ends: 26 [2024-10-13 14:00:15,459 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-13 14:00:15,462 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 20 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 14:00:15,463 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 52 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 14:00:15,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-10-13 14:00:15,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2024-10-13 14:00:15,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 16 states have (on average 1.375) internal successors, (22), 19 states have internal predecessors, (22), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 14:00:15,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2024-10-13 14:00:15,502 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 5 [2024-10-13 14:00:15,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:00:15,503 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2024-10-13 14:00:15,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:00:15,504 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2024-10-13 14:00:15,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-13 14:00:15,505 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:00:15,505 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2024-10-13 14:00:15,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 14:00:15,506 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 14:00:15,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:00:15,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1708859346, now seen corresponding path program 1 times [2024-10-13 14:00:15,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:00:15,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097556429] [2024-10-13 14:00:15,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:00:15,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:00:15,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:15,612 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:00:15,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:00:15,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097556429] [2024-10-13 14:00:15,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097556429] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 14:00:15,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158537264] [2024-10-13 14:00:15,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:00:15,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:00:15,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 14:00:15,616 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) [2024-10-13 14:00:15,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 14:00:15,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:15,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 14:00:15,683 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 14:00:15,792 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:00:15,792 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 14:00:15,894 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:00:15,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1158537264] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 14:00:15,895 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 14:00:15,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-10-13 14:00:15,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11161018] [2024-10-13 14:00:15,896 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 14:00:15,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-13 14:00:15,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:00:15,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 14:00:15,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-10-13 14:00:15,902 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand has 15 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 9 states have internal predecessors, (21), 6 states have call successors, (6), 5 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:00:16,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:00:16,105 INFO L93 Difference]: Finished difference Result 79 states and 85 transitions. [2024-10-13 14:00:16,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 14:00:16,106 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 9 states have internal predecessors, (21), 6 states have call successors, (6), 5 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-10-13 14:00:16,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:00:16,109 INFO L225 Difference]: With dead ends: 79 [2024-10-13 14:00:16,109 INFO L226 Difference]: Without dead ends: 71 [2024-10-13 14:00:16,110 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2024-10-13 14:00:16,111 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 114 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 14:00:16,111 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 111 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 14:00:16,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-10-13 14:00:16,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 54. [2024-10-13 14:00:16,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 40 states have (on average 1.425) internal successors, (57), 43 states have internal predecessors, (57), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-13 14:00:16,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 68 transitions. [2024-10-13 14:00:16,132 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 68 transitions. Word has length 10 [2024-10-13 14:00:16,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:00:16,132 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 68 transitions. [2024-10-13 14:00:16,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 9 states have internal predecessors, (21), 6 states have call successors, (6), 5 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:00:16,133 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2024-10-13 14:00:16,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-13 14:00:16,133 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:00:16,134 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2024-10-13 14:00:16,152 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 14:00:16,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:00:16,339 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 14:00:16,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:00:16,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1435032229, now seen corresponding path program 1 times [2024-10-13 14:00:16,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:00:16,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612066563] [2024-10-13 14:00:16,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:00:16,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:00:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:16,470 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:00:16,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:00:16,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612066563] [2024-10-13 14:00:16,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612066563] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 14:00:16,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [53684863] [2024-10-13 14:00:16,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:00:16,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:00:16,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 14:00:16,473 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) [2024-10-13 14:00:16,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 14:00:16,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:16,517 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 14:00:16,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 14:00:16,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:00:16,592 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 14:00:16,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [53684863] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 14:00:16,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 14:00:16,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-10-13 14:00:16,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108541413] [2024-10-13 14:00:16,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 14:00:16,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 14:00:16,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:00:16,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 14:00:16,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-10-13 14:00:16,594 INFO L87 Difference]: Start difference. First operand 54 states and 68 transitions. Second operand has 7 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:00:16,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:00:16,673 INFO L93 Difference]: Finished difference Result 62 states and 75 transitions. [2024-10-13 14:00:16,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 14:00:16,675 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-10-13 14:00:16,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:00:16,677 INFO L225 Difference]: With dead ends: 62 [2024-10-13 14:00:16,678 INFO L226 Difference]: Without dead ends: 61 [2024-10-13 14:00:16,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-10-13 14:00:16,680 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 45 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 14:00:16,681 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 28 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 14:00:16,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-10-13 14:00:16,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 53. [2024-10-13 14:00:16,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 40 states have (on average 1.325) internal successors, (53), 42 states have internal predecessors, (53), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-13 14:00:16,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 64 transitions. [2024-10-13 14:00:16,696 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 64 transitions. Word has length 11 [2024-10-13 14:00:16,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:00:16,696 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 64 transitions. [2024-10-13 14:00:16,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:00:16,697 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 64 transitions. [2024-10-13 14:00:16,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-13 14:00:16,697 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:00:16,697 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 14:00:16,715 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-13 14:00:16,901 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,SelfDestructingSolverStorable2 [2024-10-13 14:00:16,902 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 14:00:16,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:00:16,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1465280389, now seen corresponding path program 1 times [2024-10-13 14:00:16,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:00:16,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574980497] [2024-10-13 14:00:16,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:00:16,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:00:16,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:16,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-13 14:00:16,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:16,999 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-13 14:00:17,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:00:17,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574980497] [2024-10-13 14:00:17,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574980497] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 14:00:17,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 14:00:17,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 14:00:17,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300793430] [2024-10-13 14:00:17,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 14:00:17,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 14:00:17,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:00:17,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 14:00:17,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 14:00:17,002 INFO L87 Difference]: Start difference. First operand 53 states and 64 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 14:00:17,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:00:17,036 INFO L93 Difference]: Finished difference Result 73 states and 91 transitions. [2024-10-13 14:00:17,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 14:00:17,037 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2024-10-13 14:00:17,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:00:17,039 INFO L225 Difference]: With dead ends: 73 [2024-10-13 14:00:17,041 INFO L226 Difference]: Without dead ends: 71 [2024-10-13 14:00:17,041 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 [2024-10-13 14:00:17,042 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 1 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 14:00:17,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 33 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 14:00:17,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-10-13 14:00:17,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-10-13 14:00:17,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 55 states have (on average 1.2363636363636363) internal successors, (68), 56 states have internal predecessors, (68), 6 states have call successors, (6), 5 states have call predecessors, (6), 7 states have return successors, (9), 9 states have call predecessors, (9), 5 states have call successors, (9) [2024-10-13 14:00:17,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 83 transitions. [2024-10-13 14:00:17,063 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 83 transitions. Word has length 18 [2024-10-13 14:00:17,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:00:17,063 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 83 transitions. [2024-10-13 14:00:17,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 14:00:17,063 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 83 transitions. [2024-10-13 14:00:17,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-13 14:00:17,064 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:00:17,064 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-13 14:00:17,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 14:00:17,065 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 14:00:17,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:00:17,066 INFO L85 PathProgramCache]: Analyzing trace with hash 2013219646, now seen corresponding path program 1 times [2024-10-13 14:00:17,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:00:17,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742041713] [2024-10-13 14:00:17,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:00:17,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:00:17,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:17,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 14:00:17,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:17,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:17,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:17,121 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 14:00:17,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:00:17,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742041713] [2024-10-13 14:00:17,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742041713] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 14:00:17,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 14:00:17,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 14:00:17,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14732974] [2024-10-13 14:00:17,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 14:00:17,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 14:00:17,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:00:17,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 14:00:17,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 14:00:17,124 INFO L87 Difference]: Start difference. First operand 71 states and 83 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 14:00:17,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:00:17,146 INFO L93 Difference]: Finished difference Result 71 states and 83 transitions. [2024-10-13 14:00:17,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 14:00:17,147 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2024-10-13 14:00:17,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:00:17,148 INFO L225 Difference]: With dead ends: 71 [2024-10-13 14:00:17,148 INFO L226 Difference]: Without dead ends: 70 [2024-10-13 14:00:17,148 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 [2024-10-13 14:00:17,149 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 1 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 14:00:17,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 21 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 14:00:17,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-10-13 14:00:17,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2024-10-13 14:00:17,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 55 states have (on average 1.1454545454545455) internal successors, (63), 55 states have internal predecessors, (63), 6 states have call successors, (6), 5 states have call predecessors, (6), 7 states have return successors, (9), 9 states have call predecessors, (9), 5 states have call successors, (9) [2024-10-13 14:00:17,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 78 transitions. [2024-10-13 14:00:17,171 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 78 transitions. Word has length 23 [2024-10-13 14:00:17,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:00:17,171 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 78 transitions. [2024-10-13 14:00:17,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 14:00:17,172 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2024-10-13 14:00:17,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-13 14:00:17,172 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:00:17,172 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 1, 1, 1] [2024-10-13 14:00:17,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 14:00:17,173 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 14:00:17,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:00:17,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1685904693, now seen corresponding path program 2 times [2024-10-13 14:00:17,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:00:17,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087443781] [2024-10-13 14:00:17,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:00:17,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:00:17,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:17,368 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:00:17,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:00:17,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087443781] [2024-10-13 14:00:17,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087443781] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 14:00:17,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2069119224] [2024-10-13 14:00:17,369 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 14:00:17,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:00:17,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 14:00:17,371 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) [2024-10-13 14:00:17,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 14:00:17,417 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 14:00:17,418 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 14:00:17,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-13 14:00:17,422 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 14:00:17,509 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:00:17,509 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 14:00:17,734 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:00:17,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2069119224] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 14:00:17,735 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 14:00:17,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 25 [2024-10-13 14:00:17,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371198682] [2024-10-13 14:00:17,735 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 14:00:17,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-10-13 14:00:17,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:00:17,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-10-13 14:00:17,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=538, Unknown=0, NotChecked=0, Total=702 [2024-10-13 14:00:17,737 INFO L87 Difference]: Start difference. First operand 70 states and 78 transitions. Second operand has 27 states, 23 states have (on average 1.9565217391304348) internal successors, (45), 15 states have internal predecessors, (45), 12 states have call successors, (12), 11 states have call predecessors, (12), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:00:18,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:00:18,135 INFO L93 Difference]: Finished difference Result 187 states and 203 transitions. [2024-10-13 14:00:18,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-13 14:00:18,135 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 23 states have (on average 1.9565217391304348) internal successors, (45), 15 states have internal predecessors, (45), 12 states have call successors, (12), 11 states have call predecessors, (12), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2024-10-13 14:00:18,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:00:18,137 INFO L225 Difference]: With dead ends: 187 [2024-10-13 14:00:18,139 INFO L226 Difference]: Without dead ends: 155 [2024-10-13 14:00:18,140 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=341, Invalid=991, Unknown=0, NotChecked=0, Total=1332 [2024-10-13 14:00:18,141 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 264 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 14:00:18,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 219 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 14:00:18,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-10-13 14:00:18,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 145. [2024-10-13 14:00:18,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 115 states have (on average 1.1478260869565218) internal successors, (132), 115 states have internal predecessors, (132), 12 states have call successors, (12), 11 states have call predecessors, (12), 16 states have return successors, (18), 18 states have call predecessors, (18), 11 states have call successors, (18) [2024-10-13 14:00:18,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 162 transitions. [2024-10-13 14:00:18,163 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 162 transitions. Word has length 25 [2024-10-13 14:00:18,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:00:18,164 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 162 transitions. [2024-10-13 14:00:18,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 23 states have (on average 1.9565217391304348) internal successors, (45), 15 states have internal predecessors, (45), 12 states have call successors, (12), 11 states have call predecessors, (12), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:00:18,164 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 162 transitions. [2024-10-13 14:00:18,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-13 14:00:18,165 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:00:18,165 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-13 14:00:18,181 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-13 14:00:18,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:00:18,370 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 14:00:18,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:00:18,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1776865054, now seen corresponding path program 1 times [2024-10-13 14:00:18,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:00:18,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820263650] [2024-10-13 14:00:18,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:00:18,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:00:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:18,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-13 14:00:18,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:18,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:18,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:18,510 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-10-13 14:00:18,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:00:18,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820263650] [2024-10-13 14:00:18,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820263650] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 14:00:18,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [91421283] [2024-10-13 14:00:18,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:00:18,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:00:18,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 14:00:18,515 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) [2024-10-13 14:00:18,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-13 14:00:18,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:18,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-13 14:00:18,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 14:00:18,738 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 3 proven. 60 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-13 14:00:18,738 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 14:00:19,104 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 3 proven. 61 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 14:00:19,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [91421283] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 14:00:19,104 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 14:00:19,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 14, 15] total 30 [2024-10-13 14:00:19,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500675994] [2024-10-13 14:00:19,105 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 14:00:19,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-10-13 14:00:19,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:00:19,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-10-13 14:00:19,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=725, Unknown=0, NotChecked=0, Total=870 [2024-10-13 14:00:19,107 INFO L87 Difference]: Start difference. First operand 145 states and 162 transitions. Second operand has 30 states, 28 states have (on average 2.4285714285714284) internal successors, (68), 22 states have internal predecessors, (68), 13 states have call successors, (14), 9 states have call predecessors, (14), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-13 14:00:19,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:00:19,544 INFO L93 Difference]: Finished difference Result 207 states and 226 transitions. [2024-10-13 14:00:19,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-13 14:00:19,545 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 28 states have (on average 2.4285714285714284) internal successors, (68), 22 states have internal predecessors, (68), 13 states have call successors, (14), 9 states have call predecessors, (14), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 39 [2024-10-13 14:00:19,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:00:19,547 INFO L225 Difference]: With dead ends: 207 [2024-10-13 14:00:19,547 INFO L226 Difference]: Without dead ends: 141 [2024-10-13 14:00:19,548 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 63 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 324 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=318, Invalid=1322, Unknown=0, NotChecked=0, Total=1640 [2024-10-13 14:00:19,549 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 179 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 14:00:19,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 350 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 14:00:19,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-10-13 14:00:19,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 133. [2024-10-13 14:00:19,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 106 states have (on average 1.1132075471698113) internal successors, (118), 105 states have internal predecessors, (118), 12 states have call successors, (12), 11 states have call predecessors, (12), 13 states have return successors, (16), 16 states have call predecessors, (16), 11 states have call successors, (16) [2024-10-13 14:00:19,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 146 transitions. [2024-10-13 14:00:19,568 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 146 transitions. Word has length 39 [2024-10-13 14:00:19,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:00:19,568 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 146 transitions. [2024-10-13 14:00:19,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 28 states have (on average 2.4285714285714284) internal successors, (68), 22 states have internal predecessors, (68), 13 states have call successors, (14), 9 states have call predecessors, (14), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-13 14:00:19,569 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 146 transitions. [2024-10-13 14:00:19,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-13 14:00:19,570 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:00:19,574 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 1, 1, 1] [2024-10-13 14:00:19,594 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-13 14:00:19,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:00:19,775 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 14:00:19,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:00:19,775 INFO L85 PathProgramCache]: Analyzing trace with hash 2091957141, now seen corresponding path program 3 times [2024-10-13 14:00:19,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:00:19,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933891093] [2024-10-13 14:00:19,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:00:19,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:00:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:20,167 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:00:20,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:00:20,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933891093] [2024-10-13 14:00:20,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933891093] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 14:00:20,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [605132177] [2024-10-13 14:00:20,168 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-13 14:00:20,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:00:20,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 14:00:20,170 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 14:00:20,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-13 14:00:20,226 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-10-13 14:00:20,226 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 14:00:20,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-13 14:00:20,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 14:00:20,350 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:00:20,351 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 14:00:20,987 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:00:20,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [605132177] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 14:00:20,988 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 14:00:20,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 49 [2024-10-13 14:00:20,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203637602] [2024-10-13 14:00:20,988 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 14:00:20,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-10-13 14:00:20,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:00:20,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-10-13 14:00:20,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=608, Invalid=1942, Unknown=0, NotChecked=0, Total=2550 [2024-10-13 14:00:20,993 INFO L87 Difference]: Start difference. First operand 133 states and 146 transitions. Second operand has 51 states, 47 states have (on average 1.9787234042553192) internal successors, (93), 27 states have internal predecessors, (93), 24 states have call successors, (24), 23 states have call predecessors, (24), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:00:21,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:00:21,841 INFO L93 Difference]: Finished difference Result 437 states and 469 transitions. [2024-10-13 14:00:21,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-10-13 14:00:21,842 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 47 states have (on average 1.9787234042553192) internal successors, (93), 27 states have internal predecessors, (93), 24 states have call successors, (24), 23 states have call predecessors, (24), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-10-13 14:00:21,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:00:21,844 INFO L225 Difference]: With dead ends: 437 [2024-10-13 14:00:21,845 INFO L226 Difference]: Without dead ends: 385 [2024-10-13 14:00:21,847 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1158 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1391, Invalid=3865, Unknown=0, NotChecked=0, Total=5256 [2024-10-13 14:00:21,847 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 599 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 600 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 14:00:21,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [600 Valid, 501 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 14:00:21,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-10-13 14:00:21,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 363. [2024-10-13 14:00:21,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 290 states have (on average 1.1206896551724137) internal successors, (325), 289 states have internal predecessors, (325), 24 states have call successors, (24), 23 states have call predecessors, (24), 47 states have return successors, (50), 50 states have call predecessors, (50), 23 states have call successors, (50) [2024-10-13 14:00:21,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 399 transitions. [2024-10-13 14:00:21,891 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 399 transitions. Word has length 55 [2024-10-13 14:00:21,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:00:21,894 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 399 transitions. [2024-10-13 14:00:21,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 47 states have (on average 1.9787234042553192) internal successors, (93), 27 states have internal predecessors, (93), 24 states have call successors, (24), 23 states have call predecessors, (24), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:00:21,894 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 399 transitions. [2024-10-13 14:00:21,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-13 14:00:21,899 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:00:21,899 INFO L215 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 3, 3, 3, 3, 2, 1, 1, 1, 1] [2024-10-13 14:00:21,916 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-13 14:00:22,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:00:22,104 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 14:00:22,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:00:22,104 INFO L85 PathProgramCache]: Analyzing trace with hash -543530731, now seen corresponding path program 2 times [2024-10-13 14:00:22,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:00:22,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217494579] [2024-10-13 14:00:22,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:00:22,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:00:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:22,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 14:00:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:22,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:22,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:22,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:22,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:22,611 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 6 proven. 299 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-13 14:00:22,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:00:22,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217494579] [2024-10-13 14:00:22,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217494579] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 14:00:22,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1043470221] [2024-10-13 14:00:22,612 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 14:00:22,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:00:22,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 14:00:22,613 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 14:00:22,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-13 14:00:22,663 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 14:00:22,663 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 14:00:22,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-13 14:00:22,667 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 14:00:22,842 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 6 proven. 297 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-13 14:00:22,843 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 14:00:23,452 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 6 proven. 303 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-13 14:00:23,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1043470221] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 14:00:23,452 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 14:00:23,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25, 27] total 41 [2024-10-13 14:00:23,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654107271] [2024-10-13 14:00:23,453 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 14:00:23,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-10-13 14:00:23,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:00:23,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-10-13 14:00:23,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=304, Invalid=1336, Unknown=0, NotChecked=0, Total=1640 [2024-10-13 14:00:23,455 INFO L87 Difference]: Start difference. First operand 363 states and 399 transitions. Second operand has 41 states, 38 states have (on average 2.3421052631578947) internal successors, (89), 27 states have internal predecessors, (89), 20 states have call successors, (21), 14 states have call predecessors, (21), 4 states have return successors, (8), 3 states have call predecessors, (8), 6 states have call successors, (8) [2024-10-13 14:00:23,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:00:23,944 INFO L93 Difference]: Finished difference Result 456 states and 491 transitions. [2024-10-13 14:00:23,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-10-13 14:00:23,945 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 38 states have (on average 2.3421052631578947) internal successors, (89), 27 states have internal predecessors, (89), 20 states have call successors, (21), 14 states have call predecessors, (21), 4 states have return successors, (8), 3 states have call predecessors, (8), 6 states have call successors, (8) Word has length 74 [2024-10-13 14:00:23,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:00:23,948 INFO L225 Difference]: With dead ends: 456 [2024-10-13 14:00:23,948 INFO L226 Difference]: Without dead ends: 355 [2024-10-13 14:00:23,950 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 121 SyntacticMatches, 15 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1051 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=644, Invalid=2326, Unknown=0, NotChecked=0, Total=2970 [2024-10-13 14:00:23,951 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 241 mSDsluCounter, 677 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 743 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 14:00:23,951 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 743 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 14:00:23,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-10-13 14:00:23,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 323. [2024-10-13 14:00:23,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 258 states have (on average 1.12015503875969) internal successors, (289), 257 states have internal predecessors, (289), 24 states have call successors, (24), 23 states have call predecessors, (24), 39 states have return successors, (42), 42 states have call predecessors, (42), 23 states have call successors, (42) [2024-10-13 14:00:23,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 355 transitions. [2024-10-13 14:00:23,979 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 355 transitions. Word has length 74 [2024-10-13 14:00:23,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:00:23,980 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 355 transitions. [2024-10-13 14:00:23,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 38 states have (on average 2.3421052631578947) internal successors, (89), 27 states have internal predecessors, (89), 20 states have call successors, (21), 14 states have call predecessors, (21), 4 states have return successors, (8), 3 states have call predecessors, (8), 6 states have call successors, (8) [2024-10-13 14:00:23,980 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 355 transitions. [2024-10-13 14:00:23,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-13 14:00:23,982 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:00:23,982 INFO L215 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 3, 3, 3, 3, 2, 1, 1, 1, 1] [2024-10-13 14:00:23,999 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-13 14:00:24,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:00:24,187 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 14:00:24,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:00:24,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1729932501, now seen corresponding path program 3 times [2024-10-13 14:00:24,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:00:24,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452327795] [2024-10-13 14:00:24,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:00:24,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:00:24,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:24,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 14:00:24,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:24,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:24,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:24,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:24,380 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 15 proven. 15 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2024-10-13 14:00:24,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:00:24,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452327795] [2024-10-13 14:00:24,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452327795] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 14:00:24,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [917552321] [2024-10-13 14:00:24,381 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-13 14:00:24,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:00:24,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 14:00:24,383 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 14:00:24,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-13 14:00:24,426 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-13 14:00:24,427 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 14:00:24,428 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 14:00:24,430 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 14:00:24,472 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2024-10-13 14:00:24,472 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 14:00:24,637 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2024-10-13 14:00:24,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [917552321] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 14:00:24,637 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 14:00:24,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 16 [2024-10-13 14:00:24,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624628121] [2024-10-13 14:00:24,638 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 14:00:24,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-13 14:00:24,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:00:24,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-13 14:00:24,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-10-13 14:00:24,639 INFO L87 Difference]: Start difference. First operand 323 states and 355 transitions. Second operand has 17 states, 16 states have (on average 2.3125) internal successors, (37), 17 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 7 states have return successors, (7), 7 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-13 14:00:24,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:00:24,792 INFO L93 Difference]: Finished difference Result 566 states and 651 transitions. [2024-10-13 14:00:24,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-13 14:00:24,793 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 2.3125) internal successors, (37), 17 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 7 states have return successors, (7), 7 states have call predecessors, (7), 1 states have call successors, (7) Word has length 94 [2024-10-13 14:00:24,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:00:24,796 INFO L225 Difference]: With dead ends: 566 [2024-10-13 14:00:24,797 INFO L226 Difference]: Without dead ends: 565 [2024-10-13 14:00:24,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=168, Invalid=588, Unknown=0, NotChecked=0, Total=756 [2024-10-13 14:00:24,798 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 31 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 14:00:24,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 25 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 14:00:24,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2024-10-13 14:00:24,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 565. [2024-10-13 14:00:24,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 454 states have (on average 1.0682819383259912) internal successors, (485), 449 states have internal predecessors, (485), 24 states have call successors, (24), 23 states have call predecessors, (24), 85 states have return successors, (92), 92 states have call predecessors, (92), 23 states have call successors, (92) [2024-10-13 14:00:24,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 601 transitions. [2024-10-13 14:00:24,847 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 601 transitions. Word has length 94 [2024-10-13 14:00:24,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:00:24,848 INFO L471 AbstractCegarLoop]: Abstraction has 565 states and 601 transitions. [2024-10-13 14:00:24,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 2.3125) internal successors, (37), 17 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 7 states have return successors, (7), 7 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-13 14:00:24,848 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 601 transitions. [2024-10-13 14:00:24,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-13 14:00:24,850 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:00:24,850 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 22, 22, 22, 1, 1, 1] [2024-10-13 14:00:24,868 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-13 14:00:25,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:00:25,051 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 14:00:25,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:00:25,052 INFO L85 PathProgramCache]: Analyzing trace with hash 764821589, now seen corresponding path program 4 times [2024-10-13 14:00:25,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:00:25,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050658518] [2024-10-13 14:00:25,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:00:25,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:00:25,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:26,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:00:26,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:00:26,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050658518] [2024-10-13 14:00:26,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050658518] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 14:00:26,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1494875094] [2024-10-13 14:00:26,226 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-13 14:00:26,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:00:26,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 14:00:26,228 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 14:00:26,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-13 14:00:26,307 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-13 14:00:26,307 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 14:00:26,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-10-13 14:00:26,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 14:00:26,531 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:00:26,532 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 14:00:28,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:00:28,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1494875094] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 14:00:28,381 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 14:00:28,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 97 [2024-10-13 14:00:28,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124522336] [2024-10-13 14:00:28,382 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 14:00:28,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 99 states [2024-10-13 14:00:28,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:00:28,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2024-10-13 14:00:28,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2360, Invalid=7342, Unknown=0, NotChecked=0, Total=9702 [2024-10-13 14:00:28,387 INFO L87 Difference]: Start difference. First operand 565 states and 601 transitions. Second operand has 99 states, 95 states have (on average 1.9894736842105263) internal successors, (189), 51 states have internal predecessors, (189), 48 states have call successors, (48), 47 states have call predecessors, (48), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:00:28,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:00:28,961 INFO L93 Difference]: Finished difference Result 580 states and 601 transitions. [2024-10-13 14:00:28,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-13 14:00:28,961 INFO L78 Accepts]: Start accepts. Automaton has has 99 states, 95 states have (on average 1.9894736842105263) internal successors, (189), 51 states have internal predecessors, (189), 48 states have call successors, (48), 47 states have call predecessors, (48), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2024-10-13 14:00:28,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:00:28,964 INFO L225 Difference]: With dead ends: 580 [2024-10-13 14:00:28,964 INFO L226 Difference]: Without dead ends: 579 [2024-10-13 14:00:28,967 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3218 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=3827, Invalid=9513, Unknown=0, NotChecked=0, Total=13340 [2024-10-13 14:00:28,968 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 440 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 440 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 14:00:28,968 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [440 Valid, 568 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 14:00:28,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2024-10-13 14:00:29,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 564. [2024-10-13 14:00:29,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 564 states, 454 states have (on average 1.066079295154185) internal successors, (484), 448 states have internal predecessors, (484), 24 states have call successors, (24), 23 states have call predecessors, (24), 85 states have return successors, (92), 92 states have call predecessors, (92), 23 states have call successors, (92) [2024-10-13 14:00:29,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 600 transitions. [2024-10-13 14:00:29,008 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 600 transitions. Word has length 115 [2024-10-13 14:00:29,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:00:29,009 INFO L471 AbstractCegarLoop]: Abstraction has 564 states and 600 transitions. [2024-10-13 14:00:29,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 99 states, 95 states have (on average 1.9894736842105263) internal successors, (189), 51 states have internal predecessors, (189), 48 states have call successors, (48), 47 states have call predecessors, (48), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:00:29,010 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 600 transitions. [2024-10-13 14:00:29,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-10-13 14:00:29,014 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:00:29,014 INFO L215 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 7, 7, 7, 7, 6, 1, 1, 1, 1] [2024-10-13 14:00:29,032 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-13 14:00:29,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-13 14:00:29,215 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 14:00:29,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:00:29,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1224465131, now seen corresponding path program 4 times [2024-10-13 14:00:29,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:00:29,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819274182] [2024-10-13 14:00:29,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:00:29,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:00:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:29,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 14:00:29,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:29,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:29,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:29,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:29,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:29,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:29,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:29,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:29,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:29,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:29,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:29,683 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 15 proven. 105 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2024-10-13 14:00:29,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:00:29,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819274182] [2024-10-13 14:00:29,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819274182] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 14:00:29,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1562688463] [2024-10-13 14:00:29,684 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-13 14:00:29,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:00:29,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 14:00:29,686 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 14:00:29,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-13 14:00:29,751 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-13 14:00:29,751 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 14:00:29,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-13 14:00:29,755 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 14:00:29,828 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2024-10-13 14:00:29,828 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 14:00:30,973 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2024-10-13 14:00:30,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1562688463] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 14:00:30,974 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 14:00:30,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 32 [2024-10-13 14:00:30,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37603326] [2024-10-13 14:00:30,974 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 14:00:30,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-10-13 14:00:30,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:00:30,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-10-13 14:00:30,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=783, Unknown=0, NotChecked=0, Total=1056 [2024-10-13 14:00:30,976 INFO L87 Difference]: Start difference. First operand 564 states and 600 transitions. Second operand has 33 states, 32 states have (on average 2.15625) internal successors, (69), 33 states have internal predecessors, (69), 1 states have call successors, (2), 1 states have call predecessors, (2), 15 states have return successors, (15), 15 states have call predecessors, (15), 1 states have call successors, (15) [2024-10-13 14:00:31,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:00:31,286 INFO L93 Difference]: Finished difference Result 1289 states and 1480 transitions. [2024-10-13 14:00:31,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-13 14:00:31,289 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 2.15625) internal successors, (69), 33 states have internal predecessors, (69), 1 states have call successors, (2), 1 states have call predecessors, (2), 15 states have return successors, (15), 15 states have call predecessors, (15), 1 states have call successors, (15) Word has length 114 [2024-10-13 14:00:31,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:00:31,298 INFO L225 Difference]: With dead ends: 1289 [2024-10-13 14:00:31,298 INFO L226 Difference]: Without dead ends: 1288 [2024-10-13 14:00:31,300 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1325 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=720, Invalid=2820, Unknown=0, NotChecked=0, Total=3540 [2024-10-13 14:00:31,301 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 63 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 14:00:31,301 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 45 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 14:00:31,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1288 states. [2024-10-13 14:00:31,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1288 to 1288. [2024-10-13 14:00:31,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1288 states, 1038 states have (on average 1.0289017341040463) internal successors, (1068), 1024 states have internal predecessors, (1068), 24 states have call successors, (24), 23 states have call predecessors, (24), 225 states have return successors, (240), 240 states have call predecessors, (240), 23 states have call successors, (240) [2024-10-13 14:00:31,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 1288 states and 1332 transitions. [2024-10-13 14:00:31,382 INFO L78 Accepts]: Start accepts. Automaton has 1288 states and 1332 transitions. Word has length 114 [2024-10-13 14:00:31,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:00:31,383 INFO L471 AbstractCegarLoop]: Abstraction has 1288 states and 1332 transitions. [2024-10-13 14:00:31,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 2.15625) internal successors, (69), 33 states have internal predecessors, (69), 1 states have call successors, (2), 1 states have call predecessors, (2), 15 states have return successors, (15), 15 states have call predecessors, (15), 1 states have call successors, (15) [2024-10-13 14:00:31,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1288 states and 1332 transitions. [2024-10-13 14:00:31,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-10-13 14:00:31,386 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:00:31,386 INFO L215 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 15, 15, 14, 1, 1, 1, 1] [2024-10-13 14:00:31,405 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-13 14:00:31,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:00:31,588 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 14:00:31,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:00:31,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1071068565, now seen corresponding path program 5 times [2024-10-13 14:00:31,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:00:31,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394625403] [2024-10-13 14:00:31,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:00:31,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:00:31,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:31,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 14:00:31,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:32,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:32,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:32,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:32,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:32,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:32,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:32,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:32,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:32,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:32,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:32,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:32,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:32,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:33,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:33,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:33,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:33,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:33,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:33,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:33,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:33,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:33,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:33,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:33,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:33,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:33,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 15 proven. 525 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2024-10-13 14:00:33,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:00:33,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394625403] [2024-10-13 14:00:33,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394625403] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 14:00:33,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [10916324] [2024-10-13 14:00:33,399 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-13 14:00:33,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:00:33,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 14:00:33,401 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 14:00:33,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-13 14:00:33,499 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2024-10-13 14:00:33,499 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 14:00:33,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-13 14:00:33,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 14:00:33,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 0 proven. 525 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2024-10-13 14:00:33,643 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 14:00:44,457 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 0 proven. 525 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2024-10-13 14:00:44,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [10916324] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 14:00:44,458 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 14:00:44,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31, 31] total 64 [2024-10-13 14:00:44,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130817978] [2024-10-13 14:00:44,458 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 14:00:44,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-10-13 14:00:44,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:00:44,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-10-13 14:00:44,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1057, Invalid=3103, Unknown=0, NotChecked=0, Total=4160 [2024-10-13 14:00:44,461 INFO L87 Difference]: Start difference. First operand 1288 states and 1332 transitions. Second operand has 65 states, 64 states have (on average 2.078125) internal successors, (133), 65 states have internal predecessors, (133), 1 states have call successors, (2), 1 states have call predecessors, (2), 31 states have return successors, (31), 31 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 14:00:45,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:00:45,341 INFO L93 Difference]: Finished difference Result 3097 states and 3508 transitions. [2024-10-13 14:00:45,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-10-13 14:00:45,341 INFO L78 Accepts]: Start accepts. Automaton has has 65 states, 64 states have (on average 2.078125) internal successors, (133), 65 states have internal predecessors, (133), 1 states have call successors, (2), 1 states have call predecessors, (2), 31 states have return successors, (31), 31 states have call predecessors, (31), 1 states have call successors, (31) Word has length 154 [2024-10-13 14:00:45,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:00:45,348 INFO L225 Difference]: With dead ends: 3097 [2024-10-13 14:00:45,348 INFO L226 Difference]: Without dead ends: 1494 [2024-10-13 14:00:45,356 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 426 GetRequests, 304 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6317 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=2976, Invalid=12276, Unknown=0, NotChecked=0, Total=15252 [2024-10-13 14:00:45,356 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 127 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 14:00:45,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 66 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 14:00:45,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1494 states. [2024-10-13 14:00:45,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1494 to 1494. [2024-10-13 14:00:45,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1494 states, 1207 states have (on average 1.0190555095277547) internal successors, (1230), 1186 states have internal predecessors, (1230), 24 states have call successors, (24), 23 states have call predecessors, (24), 262 states have return successors, (284), 284 states have call predecessors, (284), 23 states have call successors, (284) [2024-10-13 14:00:45,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1494 states and 1538 transitions. [2024-10-13 14:00:45,433 INFO L78 Accepts]: Start accepts. Automaton has 1494 states and 1538 transitions. Word has length 154 [2024-10-13 14:00:45,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:00:45,433 INFO L471 AbstractCegarLoop]: Abstraction has 1494 states and 1538 transitions. [2024-10-13 14:00:45,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 64 states have (on average 2.078125) internal successors, (133), 65 states have internal predecessors, (133), 1 states have call successors, (2), 1 states have call predecessors, (2), 31 states have return successors, (31), 31 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 14:00:45,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1494 states and 1538 transitions. [2024-10-13 14:00:45,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2024-10-13 14:00:45,443 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:00:45,444 INFO L215 NwaCegarLoop]: trace histogram [55, 54, 54, 54, 54, 31, 31, 31, 31, 30, 1, 1, 1, 1] [2024-10-13 14:00:45,462 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-13 14:00:45,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-13 14:00:45,648 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 14:00:45,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:00:45,649 INFO L85 PathProgramCache]: Analyzing trace with hash -530932168, now seen corresponding path program 6 times [2024-10-13 14:00:45,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:00:45,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701895881] [2024-10-13 14:00:45,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:00:45,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:00:45,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:46,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 14:00:46,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:47,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:47,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:47,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:48,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:48,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:49,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:49,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:49,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:49,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:49,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:50,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:50,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:50,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:50,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:50,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:51,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:51,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:51,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:51,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:51,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:52,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:52,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:52,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:52,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:52,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:52,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:52,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:52,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:52,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:52,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:53,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:53,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:53,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:53,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:53,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:53,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:53,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:53,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:53,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:53,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:53,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:53,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:54,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:54,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:54,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:54,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:54,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:54,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:54,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:54,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:54,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:54,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:54,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:54,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:54,622 INFO L134 CoverageAnalysis]: Checked inductivity of 9588 backedges. 54 proven. 2325 refuted. 0 times theorem prover too weak. 7209 trivial. 0 not checked. [2024-10-13 14:00:54,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:00:54,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701895881] [2024-10-13 14:00:54,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701895881] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 14:00:54,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209173357] [2024-10-13 14:00:54,622 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-13 14:00:54,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:00:54,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 14:00:54,626 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 14:00:54,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-13 14:00:55,020 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 53 check-sat command(s) [2024-10-13 14:00:55,020 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 14:00:55,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 760 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-10-13 14:00:55,029 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 14:00:56,205 INFO L134 CoverageAnalysis]: Checked inductivity of 9588 backedges. 3003 proven. 555 refuted. 0 times theorem prover too weak. 6030 trivial. 0 not checked. [2024-10-13 14:00:56,205 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 14:00:57,485 INFO L134 CoverageAnalysis]: Checked inductivity of 9588 backedges. 751 proven. 4203 refuted. 0 times theorem prover too weak. 4634 trivial. 0 not checked. [2024-10-13 14:00:57,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [209173357] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 14:00:57,485 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 14:00:57,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 34, 35] total 98 [2024-10-13 14:00:57,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982983128] [2024-10-13 14:00:57,486 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 14:00:57,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2024-10-13 14:00:57,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:00:57,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2024-10-13 14:00:57,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1124, Invalid=8382, Unknown=0, NotChecked=0, Total=9506 [2024-10-13 14:00:57,492 INFO L87 Difference]: Start difference. First operand 1494 states and 1538 transitions. Second operand has 98 states, 97 states have (on average 2.154639175257732) internal successors, (209), 82 states have internal predecessors, (209), 18 states have call successors, (20), 18 states have call predecessors, (20), 33 states have return successors, (34), 33 states have call predecessors, (34), 2 states have call successors, (34) [2024-10-13 14:00:58,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:00:58,726 INFO L93 Difference]: Finished difference Result 1494 states and 1538 transitions. [2024-10-13 14:00:58,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-10-13 14:00:58,726 INFO L78 Accepts]: Start accepts. Automaton has has 98 states, 97 states have (on average 2.154639175257732) internal successors, (209), 82 states have internal predecessors, (209), 18 states have call successors, (20), 18 states have call predecessors, (20), 33 states have return successors, (34), 33 states have call predecessors, (34), 2 states have call successors, (34) Word has length 429 [2024-10-13 14:00:58,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:00:58,728 INFO L225 Difference]: With dead ends: 1494 [2024-10-13 14:00:58,728 INFO L226 Difference]: Without dead ends: 0 [2024-10-13 14:00:58,732 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 997 GetRequests, 885 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4021 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1204, Invalid=11678, Unknown=0, NotChecked=0, Total=12882 [2024-10-13 14:00:58,733 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 106 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 3344 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 3344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-13 14:00:58,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 44 Invalid, 3344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3344 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-13 14:00:58,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-13 14:00:58,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-13 14:00:58,734 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) [2024-10-13 14:00:58,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-13 14:00:58,734 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 429 [2024-10-13 14:00:58,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:00:58,735 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 14:00:58,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 97 states have (on average 2.154639175257732) internal successors, (209), 82 states have internal predecessors, (209), 18 states have call successors, (20), 18 states have call predecessors, (20), 33 states have return successors, (34), 33 states have call predecessors, (34), 2 states have call successors, (34) [2024-10-13 14:00:58,735 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-13 14:00:58,735 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-13 14:00:58,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-10-13 14:00:58,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-10-13 14:00:58,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-10-13 14:00:58,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-10-13 14:00:58,758 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-13 14:00:58,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-13 14:00:58,943 INFO L407 BasicCegarLoop]: Path program histogram: [6, 4, 1, 1, 1, 1] [2024-10-13 14:00:58,946 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-13 14:01:01,107 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 14:01:01,156 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-10-13 14:01:01,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 02:01:01 BoogieIcfgContainer [2024-10-13 14:01:01,159 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 14:01:01,160 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 14:01:01,160 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 14:01:01,160 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 14:01:01,161 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 02:00:15" (3/4) ... [2024-10-13 14:01:01,162 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 14:01:01,166 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2024-10-13 14:01:01,171 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-10-13 14:01:01,171 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-13 14:01:01,172 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-13 14:01:01,172 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 14:01:01,251 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 14:01:01,251 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 14:01:01,251 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 14:01:01,252 INFO L158 Benchmark]: Toolchain (without parser) took 46903.61ms. Allocated memory was 161.5MB in the beginning and 1.0GB in the end (delta: 874.5MB). Free memory was 89.4MB in the beginning and 638.2MB in the end (delta: -548.7MB). Peak memory consumption was 327.5MB. Max. memory is 16.1GB. [2024-10-13 14:01:01,252 INFO L158 Benchmark]: CDTParser took 1.03ms. Allocated memory is still 161.5MB. Free memory is still 133.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 14:01:01,252 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.45ms. Allocated memory is still 161.5MB. Free memory was 89.2MB in the beginning and 128.7MB in the end (delta: -39.5MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2024-10-13 14:01:01,253 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.75ms. Allocated memory is still 161.5MB. Free memory was 128.7MB in the beginning and 127.9MB in the end (delta: 780.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 14:01:01,253 INFO L158 Benchmark]: Boogie Preprocessor took 24.34ms. Allocated memory is still 161.5MB. Free memory was 127.9MB in the beginning and 125.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 14:01:01,254 INFO L158 Benchmark]: RCFGBuilder took 332.05ms. Allocated memory is still 161.5MB. Free memory was 125.8MB in the beginning and 114.8MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-13 14:01:01,254 INFO L158 Benchmark]: TraceAbstraction took 46149.44ms. Allocated memory was 161.5MB in the beginning and 1.0GB in the end (delta: 874.5MB). Free memory was 114.0MB in the beginning and 642.4MB in the end (delta: -528.4MB). Peak memory consumption was 608.0MB. Max. memory is 16.1GB. [2024-10-13 14:01:01,255 INFO L158 Benchmark]: Witness Printer took 91.23ms. Allocated memory is still 1.0GB. Free memory was 642.4MB in the beginning and 638.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 14:01:01,256 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.03ms. Allocated memory is still 161.5MB. Free memory is still 133.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.45ms. Allocated memory is still 161.5MB. Free memory was 89.2MB in the beginning and 128.7MB in the end (delta: -39.5MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.75ms. Allocated memory is still 161.5MB. Free memory was 128.7MB in the beginning and 127.9MB in the end (delta: 780.8kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.34ms. Allocated memory is still 161.5MB. Free memory was 127.9MB in the beginning and 125.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 332.05ms. Allocated memory is still 161.5MB. Free memory was 125.8MB in the beginning and 114.8MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 46149.44ms. Allocated memory was 161.5MB in the beginning and 1.0GB in the end (delta: 874.5MB). Free memory was 114.0MB in the beginning and 642.4MB in the end (delta: -528.4MB). Peak memory consumption was 608.0MB. Max. memory is 16.1GB. * Witness Printer took 91.23ms. Allocated memory is still 1.0GB. Free memory was 642.4MB in the beginning and 638.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * 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: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 20 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 43.9s, OverallIterations: 14, TraceHistogramMax: 55, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 5.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2295 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2231 mSDsluCounter, 2806 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2451 mSDsCounter, 254 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5508 IncrementalHoareTripleChecker+Invalid, 5762 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 254 mSolverCounterUnsat, 355 mSDtfsCounter, 5508 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2781 GetRequests, 2100 SyntacticMatches, 17 SemanticMatches, 664 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17980 ImplicationChecksByTransitivity, 10.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1494occurred in iteration=13, InterpolantAutomatonStates: 340, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 114 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 33.7s InterpolantComputationTime, 2286 NumberOfCodeBlocks, 2201 NumberOfCodeBlocksAsserted, 108 NumberOfCheckSat, 3360 ConstructedInterpolants, 0 QuantifiedInterpolants, 7196 SizeOfPredicates, 75 NumberOfNonLiveVariables, 2115 ConjunctsInSsa, 256 ConjunctsInUnsatCore, 35 InterpolantComputations, 4 PerfectInterpolantSequences, 26808/41418 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 4 specifications checked. All of them hold - ProcedureContractResult [Line: 6]: Procedure Contract for id Derived contract for procedure id. Requires: ((x == 15) || ((x <= 14) && (0 <= x))) Ensures: (((\result == 0) || (x != 0)) && ((x == 15) || ((x <= 14) && (0 <= x)))) RESULT: Ultimate proved your program to be correct! [2024-10-13 14:01:01,290 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE