./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-multidimensional/init-4-n-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-multidimensional/init-4-n-u.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 7e1c46a3eec085decec4254bf9381483b25ba7b6541d5728ae52d1793b9b8c91 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 11:04:39,992 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 11:04:40,045 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 11:04:40,048 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 11:04:40,049 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 11:04:40,073 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 11:04:40,074 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 11:04:40,074 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 11:04:40,075 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 11:04:40,076 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 11:04:40,076 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 11:04:40,076 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 11:04:40,077 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 11:04:40,077 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 11:04:40,077 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 11:04:40,077 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 11:04:40,078 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 11:04:40,078 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 11:04:40,078 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 11:04:40,078 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 11:04:40,078 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 11:04:40,081 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 11:04:40,081 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 11:04:40,081 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 11:04:40,082 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 11:04:40,082 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 11:04:40,082 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 11:04:40,082 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 11:04:40,082 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 11:04:40,082 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 11:04:40,083 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 11:04:40,083 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 11:04:40,083 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 11:04:40,083 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 11:04:40,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:04:40,084 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 11:04:40,084 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 11:04:40,084 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 11:04:40,086 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 11:04:40,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 11:04:40,087 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 11:04:40,087 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 11:04:40,087 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 11:04:40,087 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 11:04:40,087 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e1c46a3eec085decec4254bf9381483b25ba7b6541d5728ae52d1793b9b8c91 [2024-11-09 11:04:40,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 11:04:40,324 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 11:04:40,327 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 11:04:40,328 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 11:04:40,328 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 11:04:40,329 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-multidimensional/init-4-n-u.c [2024-11-09 11:04:41,515 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 11:04:41,673 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 11:04:41,674 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/init-4-n-u.c [2024-11-09 11:04:41,679 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2958d346d/a7fb716483754bf59539b5ac973a13c7/FLAG303313bc5 [2024-11-09 11:04:41,689 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2958d346d/a7fb716483754bf59539b5ac973a13c7 [2024-11-09 11:04:41,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 11:04:41,692 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 11:04:41,694 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 11:04:41,694 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 11:04:41,698 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 11:04:41,699 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:04:41" (1/1) ... [2024-11-09 11:04:41,699 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14d02671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:41, skipping insertion in model container [2024-11-09 11:04:41,700 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:04:41" (1/1) ... [2024-11-09 11:04:41,716 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 11:04:41,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:04:41,899 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 11:04:41,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:04:41,927 INFO L204 MainTranslator]: Completed translation [2024-11-09 11:04:41,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:41 WrapperNode [2024-11-09 11:04:41,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 11:04:41,928 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 11:04:41,928 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 11:04:41,929 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 11:04:41,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:41" (1/1) ... [2024-11-09 11:04:41,939 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:41" (1/1) ... [2024-11-09 11:04:41,957 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 115 [2024-11-09 11:04:41,959 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 11:04:41,959 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 11:04:41,959 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 11:04:41,959 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 11:04:41,969 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:41" (1/1) ... [2024-11-09 11:04:41,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:41" (1/1) ... [2024-11-09 11:04:41,970 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:41" (1/1) ... [2024-11-09 11:04:41,984 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [2, 2]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2024-11-09 11:04:41,984 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:41" (1/1) ... [2024-11-09 11:04:41,985 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:41" (1/1) ... [2024-11-09 11:04:41,990 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:41" (1/1) ... [2024-11-09 11:04:41,993 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:41" (1/1) ... [2024-11-09 11:04:41,993 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:41" (1/1) ... [2024-11-09 11:04:41,994 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:41" (1/1) ... [2024-11-09 11:04:41,995 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 11:04:41,996 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 11:04:41,996 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 11:04:41,996 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 11:04:41,999 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:41" (1/1) ... [2024-11-09 11:04:42,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:04:42,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:04:42,023 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 11:04:42,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 11:04:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 11:04:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 11:04:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 11:04:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 11:04:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 11:04:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 11:04:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 11:04:42,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 11:04:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 11:04:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 11:04:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 11:04:42,111 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 11:04:42,113 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 11:04:42,332 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-11-09 11:04:42,332 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 11:04:42,345 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 11:04:42,345 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-09 11:04:42,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:04:42 BoogieIcfgContainer [2024-11-09 11:04:42,345 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 11:04:42,351 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 11:04:42,351 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 11:04:42,354 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 11:04:42,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:04:41" (1/3) ... [2024-11-09 11:04:42,355 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ab4f7b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:04:42, skipping insertion in model container [2024-11-09 11:04:42,355 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:41" (2/3) ... [2024-11-09 11:04:42,356 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ab4f7b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:04:42, skipping insertion in model container [2024-11-09 11:04:42,356 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:04:42" (3/3) ... [2024-11-09 11:04:42,357 INFO L112 eAbstractionObserver]: Analyzing ICFG init-4-n-u.c [2024-11-09 11:04:42,372 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 11:04:42,372 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-11-09 11:04:42,415 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 11:04:42,420 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;@3f7da1ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 11:04:42,420 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-11-09 11:04:42,423 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 34 states have (on average 1.9705882352941178) internal successors, (67), 50 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:42,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 11:04:42,427 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:42,427 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 11:04:42,428 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-09 11:04:42,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:42,431 INFO L85 PathProgramCache]: Analyzing trace with hash 28699922, now seen corresponding path program 1 times [2024-11-09 11:04:42,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:42,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546944269] [2024-11-09 11:04:42,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:42,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:42,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:42,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:04:42,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:42,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546944269] [2024-11-09 11:04:42,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546944269] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:04:42,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:04:42,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:04:42,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112387920] [2024-11-09 11:04:42,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:04:42,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:04:42,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:42,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:04:42,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:04:42,652 INFO L87 Difference]: Start difference. First operand has 51 states, 34 states have (on average 1.9705882352941178) internal successors, (67), 50 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:42,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:42,720 INFO L93 Difference]: Finished difference Result 128 states and 177 transitions. [2024-11-09 11:04:42,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:04:42,724 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-09 11:04:42,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:42,730 INFO L225 Difference]: With dead ends: 128 [2024-11-09 11:04:42,730 INFO L226 Difference]: Without dead ends: 73 [2024-11-09 11:04:42,732 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:04:42,734 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 84 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:42,735 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 88 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:04:42,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-09 11:04:42,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 65. [2024-11-09 11:04:42,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 49 states have (on average 1.7142857142857142) internal successors, (84), 64 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:42,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 84 transitions. [2024-11-09 11:04:42,761 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 84 transitions. Word has length 5 [2024-11-09 11:04:42,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:42,761 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 84 transitions. [2024-11-09 11:04:42,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:42,762 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2024-11-09 11:04:42,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 11:04:42,762 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:42,762 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:04:42,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 11:04:42,763 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-09 11:04:42,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:42,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1810852219, now seen corresponding path program 1 times [2024-11-09 11:04:42,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:42,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369497831] [2024-11-09 11:04:42,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:42,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:42,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:42,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:04:42,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:42,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369497831] [2024-11-09 11:04:42,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369497831] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:04:42,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:04:42,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:04:42,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011363952] [2024-11-09 11:04:42,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:04:42,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:04:42,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:42,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:04:42,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:04:42,844 INFO L87 Difference]: Start difference. First operand 65 states and 84 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:42,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:42,902 INFO L93 Difference]: Finished difference Result 144 states and 194 transitions. [2024-11-09 11:04:42,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:04:42,903 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-09 11:04:42,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:42,904 INFO L225 Difference]: With dead ends: 144 [2024-11-09 11:04:42,904 INFO L226 Difference]: Without dead ends: 81 [2024-11-09 11:04:42,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:04:42,905 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 61 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:42,906 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 81 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:04:42,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-09 11:04:42,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2024-11-09 11:04:42,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 65 states have (on average 1.5384615384615385) internal successors, (100), 80 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:42,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 100 transitions. [2024-11-09 11:04:42,912 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 100 transitions. Word has length 7 [2024-11-09 11:04:42,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:42,912 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 100 transitions. [2024-11-09 11:04:42,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:42,913 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 100 transitions. [2024-11-09 11:04:42,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 11:04:42,913 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:42,913 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:04:42,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 11:04:42,913 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-09 11:04:42,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:42,914 INFO L85 PathProgramCache]: Analyzing trace with hash 765927003, now seen corresponding path program 1 times [2024-11-09 11:04:42,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:42,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536461621] [2024-11-09 11:04:42,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:42,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:42,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:42,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:04:42,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:42,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536461621] [2024-11-09 11:04:42,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536461621] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:04:42,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:04:42,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:04:42,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757825375] [2024-11-09 11:04:42,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:04:42,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:04:42,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:42,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:04:42,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:04:42,995 INFO L87 Difference]: Start difference. First operand 81 states and 100 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:43,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:43,102 INFO L93 Difference]: Finished difference Result 208 states and 266 transitions. [2024-11-09 11:04:43,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:04:43,104 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-09 11:04:43,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:43,104 INFO L225 Difference]: With dead ends: 208 [2024-11-09 11:04:43,104 INFO L226 Difference]: Without dead ends: 129 [2024-11-09 11:04:43,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:04:43,106 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 86 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:43,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 77 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:04:43,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-09 11:04:43,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 125. [2024-11-09 11:04:43,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 109 states have (on average 1.4311926605504588) internal successors, (156), 124 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:43,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 156 transitions. [2024-11-09 11:04:43,121 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 156 transitions. Word has length 9 [2024-11-09 11:04:43,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:43,121 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 156 transitions. [2024-11-09 11:04:43,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:43,121 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 156 transitions. [2024-11-09 11:04:43,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 11:04:43,122 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:43,122 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:04:43,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 11:04:43,122 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-09 11:04:43,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:43,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1984038952, now seen corresponding path program 1 times [2024-11-09 11:04:43,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:43,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326712236] [2024-11-09 11:04:43,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:43,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:43,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:04:43,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:43,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326712236] [2024-11-09 11:04:43,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326712236] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:04:43,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1283098475] [2024-11-09 11:04:43,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:43,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:43,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:04:43,201 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:04:43,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 11:04:43,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:43,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:04:43,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:04:43,300 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:04:43,300 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:04:43,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1283098475] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:04:43,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:04:43,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-09 11:04:43,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515242889] [2024-11-09 11:04:43,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:04:43,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:04:43,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:43,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:04:43,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:04:43,302 INFO L87 Difference]: Start difference. First operand 125 states and 156 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:43,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:43,340 INFO L93 Difference]: Finished difference Result 125 states and 156 transitions. [2024-11-09 11:04:43,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:04:43,341 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-09 11:04:43,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:43,342 INFO L225 Difference]: With dead ends: 125 [2024-11-09 11:04:43,342 INFO L226 Difference]: Without dead ends: 123 [2024-11-09 11:04:43,343 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:04:43,343 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 9 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:43,344 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 80 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:04:43,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-09 11:04:43,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-11-09 11:04:43,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 109 states have (on average 1.3577981651376148) internal successors, (148), 122 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:43,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 148 transitions. [2024-11-09 11:04:43,361 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 148 transitions. Word has length 10 [2024-11-09 11:04:43,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:43,361 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 148 transitions. [2024-11-09 11:04:43,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:43,361 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 148 transitions. [2024-11-09 11:04:43,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 11:04:43,362 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:43,362 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:04:43,380 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 11:04:43,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:43,566 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-09 11:04:43,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:43,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1375665296, now seen corresponding path program 1 times [2024-11-09 11:04:43,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:43,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760317310] [2024-11-09 11:04:43,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:43,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:43,613 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:04:43,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:43,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760317310] [2024-11-09 11:04:43,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760317310] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:04:43,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [921772265] [2024-11-09 11:04:43,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:43,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:43,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:04:43,615 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:04:43,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 11:04:43,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:43,662 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:04:43,662 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:04:43,676 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:04:43,676 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:04:43,701 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:04:43,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [921772265] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:04:43,701 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:04:43,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-09 11:04:43,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543275630] [2024-11-09 11:04:43,702 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:04:43,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:04:43,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:43,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:04:43,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:04:43,704 INFO L87 Difference]: Start difference. First operand 123 states and 148 transitions. Second operand has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:43,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:43,757 INFO L93 Difference]: Finished difference Result 221 states and 292 transitions. [2024-11-09 11:04:43,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:04:43,758 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-09 11:04:43,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:43,759 INFO L225 Difference]: With dead ends: 221 [2024-11-09 11:04:43,759 INFO L226 Difference]: Without dead ends: 219 [2024-11-09 11:04:43,759 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:04:43,760 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 24 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:43,760 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 124 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:04:43,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-11-09 11:04:43,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2024-11-09 11:04:43,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 205 states have (on average 1.3073170731707318) internal successors, (268), 218 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:43,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 268 transitions. [2024-11-09 11:04:43,780 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 268 transitions. Word has length 11 [2024-11-09 11:04:43,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:43,781 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 268 transitions. [2024-11-09 11:04:43,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:43,781 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 268 transitions. [2024-11-09 11:04:43,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 11:04:43,781 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:43,781 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:04:43,794 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 11:04:43,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:43,986 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-09 11:04:43,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:43,986 INFO L85 PathProgramCache]: Analyzing trace with hash 2047707096, now seen corresponding path program 1 times [2024-11-09 11:04:43,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:43,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54139041] [2024-11-09 11:04:43,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:43,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:44,031 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 11:04:44,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:44,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54139041] [2024-11-09 11:04:44,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54139041] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:04:44,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:04:44,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:04:44,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111902706] [2024-11-09 11:04:44,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:04:44,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:04:44,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:44,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:04:44,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:04:44,035 INFO L87 Difference]: Start difference. First operand 219 states and 268 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:44,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:44,076 INFO L93 Difference]: Finished difference Result 435 states and 533 transitions. [2024-11-09 11:04:44,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:04:44,076 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-09 11:04:44,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:44,078 INFO L225 Difference]: With dead ends: 435 [2024-11-09 11:04:44,078 INFO L226 Difference]: Without dead ends: 431 [2024-11-09 11:04:44,078 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:04:44,079 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 27 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:44,079 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 76 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:04:44,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2024-11-09 11:04:44,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 421. [2024-11-09 11:04:44,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 407 states have (on average 1.2997542997542997) internal successors, (529), 420 states have internal predecessors, (529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:44,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 529 transitions. [2024-11-09 11:04:44,104 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 529 transitions. Word has length 16 [2024-11-09 11:04:44,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:44,105 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 529 transitions. [2024-11-09 11:04:44,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:44,105 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 529 transitions. [2024-11-09 11:04:44,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 11:04:44,105 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:44,106 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:04:44,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 11:04:44,106 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-09 11:04:44,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:44,107 INFO L85 PathProgramCache]: Analyzing trace with hash -903561788, now seen corresponding path program 1 times [2024-11-09 11:04:44,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:44,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326133809] [2024-11-09 11:04:44,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:44,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:44,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:44,163 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 11:04:44,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:44,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326133809] [2024-11-09 11:04:44,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326133809] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:04:44,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1160099913] [2024-11-09 11:04:44,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:44,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:44,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:04:44,167 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:04:44,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 11:04:44,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:44,211 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:04:44,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:04:44,272 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 11:04:44,273 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:04:44,302 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 11:04:44,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1160099913] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:04:44,302 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:04:44,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 5, 5] total 10 [2024-11-09 11:04:44,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025329375] [2024-11-09 11:04:44,303 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:04:44,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:04:44,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:44,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:04:44,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:04:44,304 INFO L87 Difference]: Start difference. First operand 421 states and 529 transitions. Second operand has 10 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:44,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:44,526 INFO L93 Difference]: Finished difference Result 822 states and 1032 transitions. [2024-11-09 11:04:44,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 11:04:44,527 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-11-09 11:04:44,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:44,528 INFO L225 Difference]: With dead ends: 822 [2024-11-09 11:04:44,529 INFO L226 Difference]: Without dead ends: 421 [2024-11-09 11:04:44,530 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2024-11-09 11:04:44,530 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 215 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:44,530 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 146 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:04:44,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2024-11-09 11:04:44,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 419. [2024-11-09 11:04:44,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 407 states have (on average 1.162162162162162) internal successors, (473), 418 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:44,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 473 transitions. [2024-11-09 11:04:44,549 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 473 transitions. Word has length 17 [2024-11-09 11:04:44,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:44,549 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 473 transitions. [2024-11-09 11:04:44,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:44,549 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 473 transitions. [2024-11-09 11:04:44,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 11:04:44,550 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:44,550 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1, 1, 1, 1] [2024-11-09 11:04:44,563 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 11:04:44,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:44,754 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-09 11:04:44,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:44,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1645871190, now seen corresponding path program 2 times [2024-11-09 11:04:44,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:44,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045117087] [2024-11-09 11:04:44,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:44,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:44,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:44,811 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 11:04:44,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:44,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045117087] [2024-11-09 11:04:44,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045117087] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:04:44,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1963318606] [2024-11-09 11:04:44,811 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:04:44,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:44,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:04:44,813 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:04:44,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 11:04:44,865 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 11:04:44,865 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:04:44,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:04:44,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:04:44,884 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 11:04:44,885 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:04:44,912 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 11:04:44,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1963318606] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:04:44,912 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:04:44,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-09 11:04:44,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502538763] [2024-11-09 11:04:44,912 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:04:44,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:04:44,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:44,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:04:44,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:04:44,913 INFO L87 Difference]: Start difference. First operand 419 states and 473 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:44,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:44,954 INFO L93 Difference]: Finished difference Result 419 states and 473 transitions. [2024-11-09 11:04:44,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:04:44,955 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-09 11:04:44,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:44,956 INFO L225 Difference]: With dead ends: 419 [2024-11-09 11:04:44,956 INFO L226 Difference]: Without dead ends: 417 [2024-11-09 11:04:44,956 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:04:44,957 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 43 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:44,957 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 108 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:04:44,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2024-11-09 11:04:44,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 369. [2024-11-09 11:04:44,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 359 states have (on average 1.139275766016713) internal successors, (409), 368 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:44,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 409 transitions. [2024-11-09 11:04:44,975 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 409 transitions. Word has length 20 [2024-11-09 11:04:44,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:44,975 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 409 transitions. [2024-11-09 11:04:44,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:44,976 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 409 transitions. [2024-11-09 11:04:44,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 11:04:44,978 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:44,978 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-09 11:04:44,994 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 11:04:45,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:45,179 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-09 11:04:45,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:45,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1271144701, now seen corresponding path program 1 times [2024-11-09 11:04:45,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:45,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690968597] [2024-11-09 11:04:45,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:45,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:45,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:45,250 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 11:04:45,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:45,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690968597] [2024-11-09 11:04:45,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690968597] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:04:45,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561795045] [2024-11-09 11:04:45,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:45,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:45,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:04:45,253 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:04:45,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 11:04:45,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:45,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:04:45,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:04:45,389 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:04:45,389 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:04:45,456 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:04:45,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1561795045] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:04:45,457 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:04:45,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 8, 8] total 16 [2024-11-09 11:04:45,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693694272] [2024-11-09 11:04:45,457 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:04:45,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 11:04:45,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:45,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 11:04:45,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:04:45,458 INFO L87 Difference]: Start difference. First operand 369 states and 409 transitions. Second operand has 16 states, 16 states have (on average 3.75) internal successors, (60), 16 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:45,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:45,971 INFO L93 Difference]: Finished difference Result 1456 states and 1702 transitions. [2024-11-09 11:04:45,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-09 11:04:45,971 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.75) internal successors, (60), 16 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2024-11-09 11:04:45,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:45,990 INFO L225 Difference]: With dead ends: 1456 [2024-11-09 11:04:45,990 INFO L226 Difference]: Without dead ends: 1105 [2024-11-09 11:04:45,992 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=643, Invalid=1163, Unknown=0, NotChecked=0, Total=1806 [2024-11-09 11:04:45,993 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 770 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 770 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:45,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [770 Valid, 185 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:04:45,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1105 states. [2024-11-09 11:04:46,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1105 to 1105. [2024-11-09 11:04:46,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1105 states, 1095 states have (on average 1.0602739726027397) internal successors, (1161), 1104 states have internal predecessors, (1161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:46,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 1105 states and 1161 transitions. [2024-11-09 11:04:46,053 INFO L78 Accepts]: Start accepts. Automaton has 1105 states and 1161 transitions. Word has length 36 [2024-11-09 11:04:46,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:46,053 INFO L471 AbstractCegarLoop]: Abstraction has 1105 states and 1161 transitions. [2024-11-09 11:04:46,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.75) internal successors, (60), 16 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:46,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1161 transitions. [2024-11-09 11:04:46,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-09 11:04:46,055 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:46,055 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-09 11:04:46,068 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 11:04:46,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:46,256 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-09 11:04:46,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:46,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1354818353, now seen corresponding path program 1 times [2024-11-09 11:04:46,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:46,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416484266] [2024-11-09 11:04:46,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:46,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:46,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:46,343 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 0 proven. 329 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-11-09 11:04:46,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:46,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416484266] [2024-11-09 11:04:46,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416484266] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:04:46,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1592616159] [2024-11-09 11:04:46,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:46,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:46,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:04:46,345 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:04:46,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 11:04:46,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:46,425 INFO L255 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 11:04:46,427 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:04:46,610 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 325 proven. 145 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-11-09 11:04:46,610 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:04:46,809 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 325 proven. 145 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-11-09 11:04:46,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1592616159] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:04:46,809 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:04:46,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 14, 14] total 28 [2024-11-09 11:04:46,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354546891] [2024-11-09 11:04:46,810 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:04:46,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-09 11:04:46,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:46,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-09 11:04:46,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=449, Unknown=0, NotChecked=0, Total=756 [2024-11-09 11:04:46,814 INFO L87 Difference]: Start difference. First operand 1105 states and 1161 transitions. Second operand has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:47,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:47,905 INFO L93 Difference]: Finished difference Result 3326 states and 3724 transitions. [2024-11-09 11:04:47,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-09 11:04:47,906 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2024-11-09 11:04:47,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:47,913 INFO L225 Difference]: With dead ends: 3326 [2024-11-09 11:04:47,913 INFO L226 Difference]: Without dead ends: 2257 [2024-11-09 11:04:47,915 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1254 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1549, Invalid=3853, Unknown=0, NotChecked=0, Total=5402 [2024-11-09 11:04:47,916 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 1028 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1028 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:47,916 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1028 Valid, 317 Invalid, 600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:04:47,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2257 states. [2024-11-09 11:04:47,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2257 to 2255. [2024-11-09 11:04:47,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2255 states, 2247 states have (on average 1.0275923453493547) internal successors, (2309), 2254 states have internal predecessors, (2309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:47,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2255 states to 2255 states and 2309 transitions. [2024-11-09 11:04:47,983 INFO L78 Accepts]: Start accepts. Automaton has 2255 states and 2309 transitions. Word has length 78 [2024-11-09 11:04:47,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:47,983 INFO L471 AbstractCegarLoop]: Abstraction has 2255 states and 2309 transitions. [2024-11-09 11:04:47,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:47,984 INFO L276 IsEmpty]: Start isEmpty. Operand 2255 states and 2309 transitions. [2024-11-09 11:04:47,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-09 11:04:47,985 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:47,985 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-09 11:04:47,999 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 11:04:48,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:48,190 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-09 11:04:48,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:48,191 INFO L85 PathProgramCache]: Analyzing trace with hash -863250329, now seen corresponding path program 1 times [2024-11-09 11:04:48,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:48,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050613831] [2024-11-09 11:04:48,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:48,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:48,399 INFO L134 CoverageAnalysis]: Checked inductivity of 2938 backedges. 0 proven. 1506 refuted. 0 times theorem prover too weak. 1432 trivial. 0 not checked. [2024-11-09 11:04:48,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:48,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050613831] [2024-11-09 11:04:48,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050613831] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:04:48,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731015360] [2024-11-09 11:04:48,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:48,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:48,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:04:48,402 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:04:48,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 11:04:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:48,515 INFO L255 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-09 11:04:48,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:04:48,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2938 backedges. 1501 proven. 715 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-09 11:04:48,979 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:04:49,497 INFO L134 CoverageAnalysis]: Checked inductivity of 2938 backedges. 1501 proven. 715 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-09 11:04:49,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [731015360] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:04:49,501 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:04:49,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 26, 26] total 52 [2024-11-09 11:04:49,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526386523] [2024-11-09 11:04:49,501 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:04:49,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-11-09 11:04:49,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:49,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-11-09 11:04:49,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1184, Invalid=1468, Unknown=0, NotChecked=0, Total=2652 [2024-11-09 11:04:49,504 INFO L87 Difference]: Start difference. First operand 2255 states and 2309 transitions. Second operand has 52 states, 52 states have (on average 3.4423076923076925) internal successors, (179), 52 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:53,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:53,321 INFO L93 Difference]: Finished difference Result 9014 states and 10012 transitions. [2024-11-09 11:04:53,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-11-09 11:04:53,322 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 3.4423076923076925) internal successors, (179), 52 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 151 [2024-11-09 11:04:53,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:53,339 INFO L225 Difference]: With dead ends: 9014 [2024-11-09 11:04:53,339 INFO L226 Difference]: Without dead ends: 6831 [2024-11-09 11:04:53,347 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 420 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9180 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=9913, Invalid=18479, Unknown=0, NotChecked=0, Total=28392 [2024-11-09 11:04:53,347 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 3916 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 568 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3916 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 568 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:53,347 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3916 Valid, 224 Invalid, 921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [568 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:04:53,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6831 states. [2024-11-09 11:04:53,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6831 to 6827. [2024-11-09 11:04:53,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6827 states, 6819 states have (on average 1.0131984161900571) internal successors, (6909), 6826 states have internal predecessors, (6909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:53,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6827 states to 6827 states and 6909 transitions. [2024-11-09 11:04:53,549 INFO L78 Accepts]: Start accepts. Automaton has 6827 states and 6909 transitions. Word has length 151 [2024-11-09 11:04:53,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:53,549 INFO L471 AbstractCegarLoop]: Abstraction has 6827 states and 6909 transitions. [2024-11-09 11:04:53,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 3.4423076923076925) internal successors, (179), 52 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:53,549 INFO L276 IsEmpty]: Start isEmpty. Operand 6827 states and 6909 transitions. [2024-11-09 11:04:53,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2024-11-09 11:04:53,551 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:53,552 INFO L215 NwaCegarLoop]: trace histogram [92, 92, 92, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-09 11:04:53,566 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-09 11:04:53,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:53,753 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-09 11:04:53,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:53,754 INFO L85 PathProgramCache]: Analyzing trace with hash 354692265, now seen corresponding path program 1 times [2024-11-09 11:04:53,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:53,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068088203] [2024-11-09 11:04:53,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:53,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:53,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:54,099 INFO L134 CoverageAnalysis]: Checked inductivity of 12761 backedges. 0 proven. 6455 refuted. 0 times theorem prover too weak. 6306 trivial. 0 not checked. [2024-11-09 11:04:54,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:54,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068088203] [2024-11-09 11:04:54,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068088203] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:04:54,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1452119602] [2024-11-09 11:04:54,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:54,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:54,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:04:54,101 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:04:54,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 11:04:54,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:54,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 936 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-09 11:04:54,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:04:55,328 INFO L134 CoverageAnalysis]: Checked inductivity of 12761 backedges. 6448 proven. 3151 refuted. 0 times theorem prover too weak. 3162 trivial. 0 not checked. [2024-11-09 11:04:55,328 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:04:56,850 INFO L134 CoverageAnalysis]: Checked inductivity of 12761 backedges. 6448 proven. 3151 refuted. 0 times theorem prover too weak. 3162 trivial. 0 not checked. [2024-11-09 11:04:56,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1452119602] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:04:56,851 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:04:56,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 50, 50] total 100 [2024-11-09 11:04:56,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427776454] [2024-11-09 11:04:56,851 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:04:56,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2024-11-09 11:04:56,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:56,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2024-11-09 11:04:56,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4663, Invalid=5237, Unknown=0, NotChecked=0, Total=9900 [2024-11-09 11:04:56,854 INFO L87 Difference]: Start difference. First operand 6827 states and 6909 transitions. Second operand has 100 states, 100 states have (on average 3.33) internal successors, (333), 100 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:05:06,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:05:06,006 INFO L93 Difference]: Finished difference Result 20424 states and 22312 transitions. [2024-11-09 11:05:06,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2024-11-09 11:05:06,007 INFO L78 Accepts]: Start accepts. Automaton has has 100 states, 100 states have (on average 3.33) internal successors, (333), 100 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 301 [2024-11-09 11:05:06,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:05:06,048 INFO L225 Difference]: With dead ends: 20424 [2024-11-09 11:05:06,048 INFO L226 Difference]: Without dead ends: 13741 [2024-11-09 11:05:06,066 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 793 GetRequests, 505 SyntacticMatches, 0 SemanticMatches, 288 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22278 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=23473, Invalid=60337, Unknown=0, NotChecked=0, Total=83810 [2024-11-09 11:05:06,066 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 5547 mSDsluCounter, 647 mSDsCounter, 0 mSdLazyCounter, 1316 mSolverCounterSat, 805 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5547 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 2121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 805 IncrementalHoareTripleChecker+Valid, 1316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:05:06,067 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5547 Valid, 694 Invalid, 2121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [805 Valid, 1316 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 11:05:06,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13741 states. [2024-11-09 11:05:06,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13741 to 13737. [2024-11-09 11:05:06,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13737 states, 13731 states have (on average 1.0064088558735707) internal successors, (13819), 13736 states have internal predecessors, (13819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:05:06,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13737 states to 13737 states and 13819 transitions. [2024-11-09 11:05:06,595 INFO L78 Accepts]: Start accepts. Automaton has 13737 states and 13819 transitions. Word has length 301 [2024-11-09 11:05:06,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:05:06,596 INFO L471 AbstractCegarLoop]: Abstraction has 13737 states and 13819 transitions. [2024-11-09 11:05:06,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 3.33) internal successors, (333), 100 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:05:06,596 INFO L276 IsEmpty]: Start isEmpty. Operand 13737 states and 13819 transitions. [2024-11-09 11:05:06,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 591 [2024-11-09 11:05:06,604 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:05:06,604 INFO L215 NwaCegarLoop]: trace histogram [188, 188, 188, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-09 11:05:06,620 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-09 11:05:06,804 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,SelfDestructingSolverStorable11 [2024-11-09 11:05:06,804 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-09 11:05:06,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:05:06,805 INFO L85 PathProgramCache]: Analyzing trace with hash 265468628, now seen corresponding path program 1 times [2024-11-09 11:05:06,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:05:06,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860807215] [2024-11-09 11:05:06,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:05:06,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:05:06,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:05:07,429 INFO L134 CoverageAnalysis]: Checked inductivity of 53130 backedges. 0 proven. 26712 refuted. 0 times theorem prover too weak. 26418 trivial. 0 not checked. [2024-11-09 11:05:07,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:05:07,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860807215] [2024-11-09 11:05:07,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860807215] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:05:07,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1261282981] [2024-11-09 11:05:07,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:05:07,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:05:07,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:05:07,431 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:05:07,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 11:05:07,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:05:07,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 1801 conjuncts, 97 conjuncts are in the unsatisfiable core [2024-11-09 11:05:07,762 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:05:11,245 INFO L134 CoverageAnalysis]: Checked inductivity of 53130 backedges. 26704 proven. 13207 refuted. 0 times theorem prover too weak. 13219 trivial. 0 not checked. [2024-11-09 11:05:11,245 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:05:17,066 INFO L134 CoverageAnalysis]: Checked inductivity of 53130 backedges. 26704 proven. 13207 refuted. 0 times theorem prover too weak. 13219 trivial. 0 not checked. [2024-11-09 11:05:17,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1261282981] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:05:17,066 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:05:17,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 98, 98] total 196 [2024-11-09 11:05:17,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570698645] [2024-11-09 11:05:17,067 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:05:17,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 196 states [2024-11-09 11:05:17,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:05:17,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 196 interpolants. [2024-11-09 11:05:17,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18536, Invalid=19684, Unknown=0, NotChecked=0, Total=38220 [2024-11-09 11:05:17,074 INFO L87 Difference]: Start difference. First operand 13737 states and 13819 transitions. Second operand has 196 states, 196 states have (on average 3.173469387755102) internal successors, (622), 196 states have internal predecessors, (622), 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)