./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-examples/standard_strcmp_ground.i --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-examples/standard_strcmp_ground.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c802cbda9e8bed6a313e86b45d5d1f15426dd1417288149156d2bae000d97c78 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 11:02:16,862 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 11:02:16,919 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 11:02:16,922 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 11:02:16,922 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 11:02:16,944 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 11:02:16,945 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 11:02:16,945 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 11:02:16,946 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 11:02:16,947 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 11:02:16,947 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 11:02:16,947 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 11:02:16,948 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 11:02:16,949 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 11:02:16,949 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 11:02:16,950 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 11:02:16,950 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 11:02:16,950 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 11:02:16,950 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 11:02:16,951 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 11:02:16,951 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 11:02:16,953 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 11:02:16,953 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 11:02:16,954 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 11:02:16,954 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 11:02:16,954 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 11:02:16,954 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 11:02:16,954 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 11:02:16,955 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 11:02:16,955 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 11:02:16,955 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 11:02:16,955 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 11:02:16,955 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 11:02:16,956 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 11:02:16,956 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:02:16,956 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 11:02:16,957 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 11:02:16,957 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 11:02:16,957 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 11:02:16,957 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 11:02:16,957 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 11:02:16,958 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 11:02:16,958 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 11:02:16,958 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 11:02:16,959 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c802cbda9e8bed6a313e86b45d5d1f15426dd1417288149156d2bae000d97c78 [2024-11-09 11:02:17,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 11:02:17,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 11:02:17,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 11:02:17,191 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 11:02:17,191 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 11:02:17,192 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-examples/standard_strcmp_ground.i [2024-11-09 11:02:18,429 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 11:02:18,578 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 11:02:18,579 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_strcmp_ground.i [2024-11-09 11:02:18,586 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ffad2c24/d6ce7b21b88d46d887b186370bb1cb9a/FLAG5ead48a0b [2024-11-09 11:02:18,603 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ffad2c24/d6ce7b21b88d46d887b186370bb1cb9a [2024-11-09 11:02:18,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 11:02:18,608 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 11:02:18,610 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 11:02:18,610 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 11:02:18,615 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 11:02:18,616 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:02:18" (1/1) ... [2024-11-09 11:02:18,617 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3619279 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:02:18, skipping insertion in model container [2024-11-09 11:02:18,617 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:02:18" (1/1) ... [2024-11-09 11:02:18,635 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 11:02:18,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:02:18,798 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 11:02:18,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:02:18,833 INFO L204 MainTranslator]: Completed translation [2024-11-09 11:02:18,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:02:18 WrapperNode [2024-11-09 11:02:18,835 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 11:02:18,835 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 11:02:18,837 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 11:02:18,837 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 11:02:18,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:02:18" (1/1) ... [2024-11-09 11:02:18,869 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:02:18" (1/1) ... [2024-11-09 11:02:18,882 INFO L138 Inliner]: procedures = 17, calls = 21, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 89 [2024-11-09 11:02:18,882 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 11:02:18,883 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 11:02:18,883 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 11:02:18,883 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 11:02:18,890 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:02:18" (1/1) ... [2024-11-09 11:02:18,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:02:18" (1/1) ... [2024-11-09 11:02:18,897 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:02:18" (1/1) ... [2024-11-09 11:02:18,910 INFO L175 MemorySlicer]: Split 8 memory accesses to 3 slices as follows [2, 3, 3]. 38 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-11-09 11:02:18,910 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:02:18" (1/1) ... [2024-11-09 11:02:18,910 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:02:18" (1/1) ... [2024-11-09 11:02:18,916 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:02:18" (1/1) ... [2024-11-09 11:02:18,918 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:02:18" (1/1) ... [2024-11-09 11:02:18,919 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:02:18" (1/1) ... [2024-11-09 11:02:18,920 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:02:18" (1/1) ... [2024-11-09 11:02:18,921 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 11:02:18,922 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 11:02:18,922 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 11:02:18,922 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 11:02:18,922 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:02:18" (1/1) ... [2024-11-09 11:02:18,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:02:18,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:02:18,952 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 11:02:18,953 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 11:02:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 11:02:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 11:02:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 11:02:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 11:02:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 11:02:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 11:02:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 11:02:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 11:02:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 11:02:18,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 11:02:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 11:02:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 11:02:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 11:02:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 11:02:19,061 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 11:02:19,063 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 11:02:19,218 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-09 11:02:19,218 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 11:02:19,230 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 11:02:19,230 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-09 11:02:19,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:02:19 BoogieIcfgContainer [2024-11-09 11:02:19,231 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 11:02:19,232 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 11:02:19,233 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 11:02:19,235 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 11:02:19,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:02:18" (1/3) ... [2024-11-09 11:02:19,237 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@217da70d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:02:19, skipping insertion in model container [2024-11-09 11:02:19,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:02:18" (2/3) ... [2024-11-09 11:02:19,237 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@217da70d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:02:19, skipping insertion in model container [2024-11-09 11:02:19,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:02:19" (3/3) ... [2024-11-09 11:02:19,238 INFO L112 eAbstractionObserver]: Analyzing ICFG standard_strcmp_ground.i [2024-11-09 11:02:19,253 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 11:02:19,254 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-09 11:02:19,307 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 11:02:19,312 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;@32d69e85, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 11:02:19,312 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-09 11:02:19,315 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 27 states have (on average 1.5925925925925926) internal successors, (43), 33 states have internal predecessors, (43), 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 11:02:19,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 11:02:19,319 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:02:19,319 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 11:02:19,319 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:02:19,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:02:19,323 INFO L85 PathProgramCache]: Analyzing trace with hash 28698728, now seen corresponding path program 1 times [2024-11-09 11:02:19,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:02:19,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18551493] [2024-11-09 11:02:19,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:02:19,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:02:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:02:19,530 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 11:02:19,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:02:19,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18551493] [2024-11-09 11:02:19,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18551493] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:02:19,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:02:19,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:02:19,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447206245] [2024-11-09 11:02:19,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:02:19,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:02:19,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:02:19,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:02:19,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:02:19,559 INFO L87 Difference]: Start difference. First operand has 34 states, 27 states have (on average 1.5925925925925926) internal successors, (43), 33 states have internal predecessors, (43), 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, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:02:19,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:02:19,601 INFO L93 Difference]: Finished difference Result 65 states and 83 transitions. [2024-11-09 11:02:19,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:02:19,604 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-09 11:02:19,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:02:19,611 INFO L225 Difference]: With dead ends: 65 [2024-11-09 11:02:19,611 INFO L226 Difference]: Without dead ends: 30 [2024-11-09 11:02:19,614 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:02:19,616 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 1 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:02:19,617 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 91 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:02:19,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-11-09 11:02:19,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-11-09 11:02:19,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 24 states have (on average 1.375) internal successors, (33), 29 states have internal predecessors, (33), 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 11:02:19,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2024-11-09 11:02:19,638 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 5 [2024-11-09 11:02:19,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:02:19,639 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2024-11-09 11:02:19,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:02:19,639 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2024-11-09 11:02:19,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 11:02:19,640 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:02:19,640 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2024-11-09 11:02:19,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 11:02:19,640 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:02:19,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:02:19,641 INFO L85 PathProgramCache]: Analyzing trace with hash -363792156, now seen corresponding path program 1 times [2024-11-09 11:02:19,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:02:19,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450040216] [2024-11-09 11:02:19,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:02:19,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:02:19,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:02:19,756 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 11:02:19,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:02:19,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450040216] [2024-11-09 11:02:19,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450040216] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:02:19,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [347113742] [2024-11-09 11:02:19,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:02:19,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:02:19,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:02:19,760 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 11:02:19,761 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 11:02:19,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:02:19,818 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:02:19,831 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:02:19,905 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:02:19,905 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:02:19,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [347113742] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:02:19,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:02:19,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-09 11:02:19,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521538430] [2024-11-09 11:02:19,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:02:19,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:02:19,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:02:19,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:02:19,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:02:19,908 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 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 11:02:19,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:02:19,950 INFO L93 Difference]: Finished difference Result 30 states and 33 transitions. [2024-11-09 11:02:19,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:02:19,951 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 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 11:02:19,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:02:19,952 INFO L225 Difference]: With dead ends: 30 [2024-11-09 11:02:19,952 INFO L226 Difference]: Without dead ends: 29 [2024-11-09 11:02:19,952 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:02:19,953 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 1 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:02:19,953 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 84 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:02:19,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-11-09 11:02:19,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2024-11-09 11:02:19,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 28 states have internal predecessors, (32), 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 11:02:19,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2024-11-09 11:02:19,962 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 9 [2024-11-09 11:02:19,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:02:19,962 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2024-11-09 11:02:19,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 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 11:02:19,963 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2024-11-09 11:02:19,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 11:02:19,964 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:02:19,964 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1] [2024-11-09 11:02:19,980 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 11:02:20,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:02:20,165 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:02:20,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:02:20,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1607345098, now seen corresponding path program 1 times [2024-11-09 11:02:20,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:02:20,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347012526] [2024-11-09 11:02:20,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:02:20,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:02:20,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:02:20,226 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:02:20,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:02:20,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347012526] [2024-11-09 11:02:20,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347012526] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:02:20,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:02:20,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:02:20,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372051736] [2024-11-09 11:02:20,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:02:20,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:02:20,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:02:20,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:02:20,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:02:20,230 INFO L87 Difference]: Start difference. First operand 29 states and 32 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 11:02:20,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:02:20,248 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2024-11-09 11:02:20,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:02:20,249 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 11:02:20,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:02:20,249 INFO L225 Difference]: With dead ends: 29 [2024-11-09 11:02:20,249 INFO L226 Difference]: Without dead ends: 28 [2024-11-09 11:02:20,250 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:02:20,250 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:02:20,251 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:02:20,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-11-09 11:02:20,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 25. [2024-11-09 11:02:20,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 24 states have internal predecessors, (28), 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 11:02:20,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2024-11-09 11:02:20,257 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 10 [2024-11-09 11:02:20,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:02:20,258 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2024-11-09 11:02:20,258 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 11:02:20,258 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2024-11-09 11:02:20,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 11:02:20,259 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:02:20,259 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:02:20,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 11:02:20,259 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:02:20,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:02:20,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1713503189, now seen corresponding path program 1 times [2024-11-09 11:02:20,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:02:20,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008755022] [2024-11-09 11:02:20,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:02:20,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:02:20,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:02:20,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:02:20,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:02:20,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008755022] [2024-11-09 11:02:20,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008755022] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:02:20,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1739221714] [2024-11-09 11:02:20,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:02:20,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:02:20,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:02:20,343 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 11:02:20,344 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 11:02:20,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:02:20,392 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 11:02:20,393 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:02:20,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:02:20,403 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:02:20,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1739221714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:02:20,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:02:20,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-09 11:02:20,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855963560] [2024-11-09 11:02:20,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:02:20,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:02:20,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:02:20,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:02:20,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:02:20,406 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 11:02:20,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:02:20,427 INFO L93 Difference]: Finished difference Result 26 states and 29 transitions. [2024-11-09 11:02:20,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:02:20,428 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 11:02:20,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:02:20,428 INFO L225 Difference]: With dead ends: 26 [2024-11-09 11:02:20,428 INFO L226 Difference]: Without dead ends: 25 [2024-11-09 11:02:20,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:02:20,429 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 2 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:02:20,429 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 39 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:02:20,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-09 11:02:20,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2024-11-09 11:02:20,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 23 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:02:20,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2024-11-09 11:02:20,437 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 11 [2024-11-09 11:02:20,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:02:20,437 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2024-11-09 11:02:20,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 11:02:20,438 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2024-11-09 11:02:20,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 11:02:20,439 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:02:20,440 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:02:20,452 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 11:02:20,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-09 11:02:20,644 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:02:20,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:02:20,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1578991239, now seen corresponding path program 1 times [2024-11-09 11:02:20,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:02:20,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268985457] [2024-11-09 11:02:20,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:02:20,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:02:20,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:02:20,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:02:20,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:02:20,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268985457] [2024-11-09 11:02:20,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268985457] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:02:20,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [203230876] [2024-11-09 11:02:20,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:02:20,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:02:20,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:02:20,718 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 11:02:20,719 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 11:02:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:02:20,780 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 11:02:20,783 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:02:20,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:02:20,797 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:02:20,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [203230876] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:02:20,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:02:20,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-09 11:02:20,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382573439] [2024-11-09 11:02:20,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:02:20,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:02:20,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:02:20,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:02:20,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:02:20,801 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 11:02:20,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:02:20,816 INFO L93 Difference]: Finished difference Result 41 states and 46 transitions. [2024-11-09 11:02:20,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:02:20,817 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12 [2024-11-09 11:02:20,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:02:20,818 INFO L225 Difference]: With dead ends: 41 [2024-11-09 11:02:20,818 INFO L226 Difference]: Without dead ends: 29 [2024-11-09 11:02:20,818 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:02:20,819 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 1 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:02:20,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 42 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:02:20,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-11-09 11:02:20,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2024-11-09 11:02:20,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 25 states have (on average 1.28) internal successors, (32), 27 states have internal predecessors, (32), 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 11:02:20,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2024-11-09 11:02:20,824 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 12 [2024-11-09 11:02:20,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:02:20,825 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2024-11-09 11:02:20,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 11:02:20,825 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2024-11-09 11:02:20,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 11:02:20,825 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:02:20,825 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:02:20,839 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 11:02:21,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:02:21,026 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:02:21,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:02:21,027 INFO L85 PathProgramCache]: Analyzing trace with hash 25093984, now seen corresponding path program 1 times [2024-11-09 11:02:21,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:02:21,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47838474] [2024-11-09 11:02:21,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:02:21,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:02:21,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:02:21,088 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:02:21,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:02:21,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47838474] [2024-11-09 11:02:21,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47838474] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:02:21,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [79172765] [2024-11-09 11:02:21,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:02:21,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:02:21,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:02:21,090 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 11:02:21,091 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 11:02:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:02:21,139 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 11:02:21,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:02:21,151 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 11:02:21,151 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:02:21,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [79172765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:02:21,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:02:21,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-09 11:02:21,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497560019] [2024-11-09 11:02:21,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:02:21,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:02:21,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:02:21,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:02:21,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:02:21,153 INFO L87 Difference]: Start difference. First operand 28 states and 32 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 11:02:21,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:02:21,162 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions. [2024-11-09 11:02:21,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:02:21,162 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 11:02:21,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:02:21,162 INFO L225 Difference]: With dead ends: 29 [2024-11-09 11:02:21,162 INFO L226 Difference]: Without dead ends: 28 [2024-11-09 11:02:21,163 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:02:21,163 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 1 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:02:21,163 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 39 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:02:21,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-11-09 11:02:21,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 24. [2024-11-09 11:02:21,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 23 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:02:21,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2024-11-09 11:02:21,169 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 16 [2024-11-09 11:02:21,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:02:21,169 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2024-11-09 11:02:21,169 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 11:02:21,169 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2024-11-09 11:02:21,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 11:02:21,169 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:02:21,169 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:02:21,182 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 11:02:21,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:02:21,370 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:02:21,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:02:21,370 INFO L85 PathProgramCache]: Analyzing trace with hash 380106401, now seen corresponding path program 1 times [2024-11-09 11:02:21,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:02:21,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396770089] [2024-11-09 11:02:21,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:02:21,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:02:21,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:02:21,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:02:21,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:02:21,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396770089] [2024-11-09 11:02:21,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396770089] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:02:21,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [957065190] [2024-11-09 11:02:21,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:02:21,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:02:21,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:02:21,432 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 11:02:21,434 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 11:02:21,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:02:21,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:02:21,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:02:21,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:02:21,513 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:02:21,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:02:21,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [957065190] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:02:21,539 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:02:21,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-09 11:02:21,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106023111] [2024-11-09 11:02:21,540 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:02:21,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:02:21,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:02:21,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:02:21,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:02:21,541 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 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 11:02:21,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:02:21,566 INFO L93 Difference]: Finished difference Result 49 states and 56 transitions. [2024-11-09 11:02:21,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:02:21,566 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 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 11:02:21,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:02:21,566 INFO L225 Difference]: With dead ends: 49 [2024-11-09 11:02:21,566 INFO L226 Difference]: Without dead ends: 32 [2024-11-09 11:02:21,567 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:02:21,567 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 2 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:02:21,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 97 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:02:21,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-11-09 11:02:21,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2024-11-09 11:02:21,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 31 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:02:21,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2024-11-09 11:02:21,570 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 17 [2024-11-09 11:02:21,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:02:21,571 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2024-11-09 11:02:21,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 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 11:02:21,571 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2024-11-09 11:02:21,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 11:02:21,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:02:21,571 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:02:21,584 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 11:02:21,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:02:21,773 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:02:21,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:02:21,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1453013607, now seen corresponding path program 2 times [2024-11-09 11:02:21,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:02:21,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482176721] [2024-11-09 11:02:21,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:02:21,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:02:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:02:21,824 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:02:21,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:02:21,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482176721] [2024-11-09 11:02:21,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482176721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:02:21,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:02:21,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:02:21,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333403705] [2024-11-09 11:02:21,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:02:21,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:02:21,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:02:21,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:02:21,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:02:21,826 INFO L87 Difference]: Start difference. First operand 32 states and 35 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 11:02:21,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:02:21,846 INFO L93 Difference]: Finished difference Result 42 states and 45 transitions. [2024-11-09 11:02:21,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:02:21,847 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 25 [2024-11-09 11:02:21,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:02:21,848 INFO L225 Difference]: With dead ends: 42 [2024-11-09 11:02:21,848 INFO L226 Difference]: Without dead ends: 32 [2024-11-09 11:02:21,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:02:21,849 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 0 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:02:21,849 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:02:21,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-11-09 11:02:21,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2024-11-09 11:02:21,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 31 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:02:21,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 34 transitions. [2024-11-09 11:02:21,851 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 34 transitions. Word has length 25 [2024-11-09 11:02:21,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:02:21,852 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 34 transitions. [2024-11-09 11:02:21,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 11:02:21,852 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2024-11-09 11:02:21,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 11:02:21,852 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:02:21,852 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:02:21,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 11:02:21,853 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:02:21,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:02:21,853 INFO L85 PathProgramCache]: Analyzing trace with hash 465673926, now seen corresponding path program 1 times [2024-11-09 11:02:21,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:02:21,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636868631] [2024-11-09 11:02:21,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:02:21,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:02:21,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:02:21,891 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:02:21,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:02:21,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636868631] [2024-11-09 11:02:21,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636868631] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:02:21,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [371066689] [2024-11-09 11:02:21,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:02:21,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:02:21,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:02:21,893 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 11:02:21,894 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 11:02:21,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:02:21,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:02:21,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:02:22,078 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:02:22,078 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:02:22,200 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:02:22,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [371066689] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:02:22,201 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:02:22,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 9, 9] total 18 [2024-11-09 11:02:22,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022801802] [2024-11-09 11:02:22,202 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:02:22,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 11:02:22,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:02:22,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 11:02:22,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2024-11-09 11:02:22,203 INFO L87 Difference]: Start difference. First operand 32 states and 34 transitions. Second operand has 18 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 18 states have internal predecessors, (55), 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 11:02:22,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:02:22,305 INFO L93 Difference]: Finished difference Result 72 states and 80 transitions. [2024-11-09 11:02:22,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 11:02:22,305 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 18 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2024-11-09 11:02:22,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:02:22,306 INFO L225 Difference]: With dead ends: 72 [2024-11-09 11:02:22,307 INFO L226 Difference]: Without dead ends: 55 [2024-11-09 11:02:22,307 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2024-11-09 11:02:22,308 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 5 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:02:22,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 179 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:02:22,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-09 11:02:22,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 52. [2024-11-09 11:02:22,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 50 states have (on average 1.08) internal successors, (54), 51 states have internal predecessors, (54), 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 11:02:22,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 54 transitions. [2024-11-09 11:02:22,315 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 54 transitions. Word has length 29 [2024-11-09 11:02:22,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:02:22,315 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 54 transitions. [2024-11-09 11:02:22,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 18 states have internal predecessors, (55), 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 11:02:22,315 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2024-11-09 11:02:22,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-09 11:02:22,317 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:02:22,317 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:02:22,329 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 11:02:22,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:02:22,518 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:02:22,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:02:22,519 INFO L85 PathProgramCache]: Analyzing trace with hash 456367, now seen corresponding path program 2 times [2024-11-09 11:02:22,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:02:22,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805314503] [2024-11-09 11:02:22,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:02:22,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:02:22,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:02:22,584 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-11-09 11:02:22,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:02:22,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805314503] [2024-11-09 11:02:22,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805314503] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:02:22,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:02:22,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:02:22,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516722581] [2024-11-09 11:02:22,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:02:22,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:02:22,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:02:22,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:02:22,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:02:22,587 INFO L87 Difference]: Start difference. First operand 52 states and 54 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 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 11:02:22,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:02:22,605 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2024-11-09 11:02:22,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:02:22,606 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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 49 [2024-11-09 11:02:22,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:02:22,606 INFO L225 Difference]: With dead ends: 60 [2024-11-09 11:02:22,606 INFO L226 Difference]: Without dead ends: 58 [2024-11-09 11:02:22,606 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:02:22,607 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 1 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:02:22,607 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 55 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:02:22,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-09 11:02:22,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-11-09 11:02:22,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 56 states have (on average 1.0714285714285714) internal successors, (60), 57 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 11:02:22,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 60 transitions. [2024-11-09 11:02:22,615 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 60 transitions. Word has length 49 [2024-11-09 11:02:22,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:02:22,615 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 60 transitions. [2024-11-09 11:02:22,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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 11:02:22,616 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 60 transitions. [2024-11-09 11:02:22,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 11:02:22,617 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:02:22,618 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:02:22,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 11:02:22,618 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:02:22,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:02:22,618 INFO L85 PathProgramCache]: Analyzing trace with hash -2058626947, now seen corresponding path program 1 times [2024-11-09 11:02:22,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:02:22,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814220998] [2024-11-09 11:02:22,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:02:22,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:02:22,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:02:22,684 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-09 11:02:22,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:02:22,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814220998] [2024-11-09 11:02:22,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814220998] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:02:22,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188082808] [2024-11-09 11:02:22,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:02:22,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:02:22,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:02:22,687 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 11:02:22,688 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 11:02:22,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:02:22,777 INFO L255 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 11:02:22,778 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:02:22,919 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 11:02:22,920 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:02:23,173 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 11:02:23,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [188082808] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:02:23,173 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:02:23,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 17, 17] total 35 [2024-11-09 11:02:23,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451112719] [2024-11-09 11:02:23,173 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:02:23,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-09 11:02:23,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:02:23,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-09 11:02:23,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=909, Unknown=0, NotChecked=0, Total=1190 [2024-11-09 11:02:23,175 INFO L87 Difference]: Start difference. First operand 58 states and 60 transitions. Second operand has 35 states, 35 states have (on average 2.657142857142857) internal successors, (93), 35 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:02:23,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:02:23,284 INFO L93 Difference]: Finished difference Result 124 states and 136 transitions. [2024-11-09 11:02:23,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-09 11:02:23,285 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 2.657142857142857) internal successors, (93), 35 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 11:02:23,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:02:23,286 INFO L225 Difference]: With dead ends: 124 [2024-11-09 11:02:23,286 INFO L226 Difference]: Without dead ends: 97 [2024-11-09 11:02:23,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=281, Invalid=909, Unknown=0, NotChecked=0, Total=1190 [2024-11-09 11:02:23,287 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 5 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:02:23,287 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 122 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:02:23,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-09 11:02:23,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 94. [2024-11-09 11:02:23,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 92 states have (on average 1.0434782608695652) internal successors, (96), 93 states have internal predecessors, (96), 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 11:02:23,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 96 transitions. [2024-11-09 11:02:23,297 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 96 transitions. Word has length 55 [2024-11-09 11:02:23,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:02:23,298 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 96 transitions. [2024-11-09 11:02:23,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.657142857142857) internal successors, (93), 35 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:02:23,299 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 96 transitions. [2024-11-09 11:02:23,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-09 11:02:23,300 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:02:23,300 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:02:23,317 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 11:02:23,500 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 11:02:23,501 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:02:23,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:02:23,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1630952682, now seen corresponding path program 2 times [2024-11-09 11:02:23,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:02:23,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627217511] [2024-11-09 11:02:23,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:02:23,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:02:23,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:02:23,677 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2024-11-09 11:02:23,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:02:23,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627217511] [2024-11-09 11:02:23,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627217511] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:02:23,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [973762697] [2024-11-09 11:02:23,678 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:02:23,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:02:23,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:02:23,679 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 11:02:23,680 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 11:02:23,788 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:02:23,788 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:02:23,790 INFO L255 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-09 11:02:23,792 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:02:24,202 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 11:02:24,204 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:02:25,043 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 11:02:25,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [973762697] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:02:25,043 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:02:25,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 33, 33] total 68 [2024-11-09 11:02:25,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811260041] [2024-11-09 11:02:25,044 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:02:25,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2024-11-09 11:02:25,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:02:25,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2024-11-09 11:02:25,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1070, Invalid=3486, Unknown=0, NotChecked=0, Total=4556 [2024-11-09 11:02:25,046 INFO L87 Difference]: Start difference. First operand 94 states and 96 transitions. Second operand has 68 states, 68 states have (on average 2.3676470588235294) internal successors, (161), 68 states have internal predecessors, (161), 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 11:02:25,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:02:25,211 INFO L93 Difference]: Finished difference Result 196 states and 216 transitions. [2024-11-09 11:02:25,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-11-09 11:02:25,211 INFO L78 Accepts]: Start accepts. Automaton has has 68 states, 68 states have (on average 2.3676470588235294) internal successors, (161), 68 states have internal predecessors, (161), 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 91 [2024-11-09 11:02:25,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:02:25,212 INFO L225 Difference]: With dead ends: 196 [2024-11-09 11:02:25,212 INFO L226 Difference]: Without dead ends: 165 [2024-11-09 11:02:25,213 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1295 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1070, Invalid=3486, Unknown=0, NotChecked=0, Total=4556 [2024-11-09 11:02:25,214 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 5 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:02:25,214 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 164 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:02:25,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-11-09 11:02:25,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 162. [2024-11-09 11:02:25,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 160 states have (on average 1.025) internal successors, (164), 161 states have internal predecessors, (164), 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 11:02:25,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 164 transitions. [2024-11-09 11:02:25,224 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 164 transitions. Word has length 91 [2024-11-09 11:02:25,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:02:25,224 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 164 transitions. [2024-11-09 11:02:25,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 2.3676470588235294) internal successors, (161), 68 states have internal predecessors, (161), 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 11:02:25,225 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 164 transitions. [2024-11-09 11:02:25,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-09 11:02:25,226 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:02:25,226 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 31, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:02:25,239 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 11:02:25,426 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 11:02:25,427 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:02:25,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:02:25,428 INFO L85 PathProgramCache]: Analyzing trace with hash 433958159, now seen corresponding path program 3 times [2024-11-09 11:02:25,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:02:25,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801814651] [2024-11-09 11:02:25,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:02:25,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:02:25,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:02:25,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1924 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 1896 trivial. 0 not checked. [2024-11-09 11:02:25,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:02:25,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801814651] [2024-11-09 11:02:25,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801814651] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:02:25,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [610338219] [2024-11-09 11:02:25,629 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 11:02:25,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:02:25,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:02:25,631 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 11:02:25,632 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 11:02:25,750 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-09 11:02:25,750 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:02:25,751 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:02:25,754 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:02:25,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1924 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1919 trivial. 0 not checked. [2024-11-09 11:02:25,791 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:02:25,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [610338219] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:02:25,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:02:25,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2024-11-09 11:02:25,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333237366] [2024-11-09 11:02:25,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:02:25,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:02:25,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:02:25,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:02:25,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:02:25,792 INFO L87 Difference]: Start difference. First operand 162 states and 164 transitions. Second operand has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:02:25,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:02:25,803 INFO L93 Difference]: Finished difference Result 162 states and 164 transitions. [2024-11-09 11:02:25,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:02:25,803 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 159 [2024-11-09 11:02:25,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:02:25,804 INFO L225 Difference]: With dead ends: 162 [2024-11-09 11:02:25,805 INFO L226 Difference]: Without dead ends: 161 [2024-11-09 11:02:25,805 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:02:25,806 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 1 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:02:25,806 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 49 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:02:25,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-11-09 11:02:25,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2024-11-09 11:02:25,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 160 states have (on average 1.01875) internal successors, (163), 160 states have internal predecessors, (163), 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 11:02:25,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 163 transitions. [2024-11-09 11:02:25,814 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 163 transitions. Word has length 159 [2024-11-09 11:02:25,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:02:25,814 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 163 transitions. [2024-11-09 11:02:25,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:02:25,815 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 163 transitions. [2024-11-09 11:02:25,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-09 11:02:25,815 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:02:25,816 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 31, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:02:25,828 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-09 11:02:26,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-09 11:02:26,020 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:02:26,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:02:26,020 INFO L85 PathProgramCache]: Analyzing trace with hash 567801148, now seen corresponding path program 1 times [2024-11-09 11:02:26,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:02:26,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759111926] [2024-11-09 11:02:26,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:02:26,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:02:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:02:26,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1925 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1920 trivial. 0 not checked. [2024-11-09 11:02:26,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:02:26,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759111926] [2024-11-09 11:02:26,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759111926] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:02:26,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:02:26,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:02:26,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533400823] [2024-11-09 11:02:26,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:02:26,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:02:26,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:02:26,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:02:26,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:02:26,139 INFO L87 Difference]: Start difference. First operand 161 states and 163 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 11:02:26,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:02:26,149 INFO L93 Difference]: Finished difference Result 161 states and 163 transitions. [2024-11-09 11:02:26,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:02:26,149 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 160 [2024-11-09 11:02:26,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:02:26,150 INFO L225 Difference]: With dead ends: 161 [2024-11-09 11:02:26,151 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 11:02:26,151 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:02:26,151 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 0 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:02:26,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 49 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:02:26,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 11:02:26,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 11:02:26,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:02:26,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 11:02:26,152 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 160 [2024-11-09 11:02:26,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:02:26,152 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 11:02:26,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 11:02:26,152 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 11:02:26,152 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 11:02:26,155 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2024-11-09 11:02:26,155 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2024-11-09 11:02:26,156 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2024-11-09 11:02:26,156 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2024-11-09 11:02:26,156 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2024-11-09 11:02:26,157 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2024-11-09 11:02:26,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 11:02:26,161 INFO L407 BasicCegarLoop]: Path program histogram: [3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:02:26,162 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 11:02:26,198 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 11:02:26,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 11:02:26 BoogieIcfgContainer [2024-11-09 11:02:26,210 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 11:02:26,211 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 11:02:26,211 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 11:02:26,211 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 11:02:26,211 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:02:19" (3/4) ... [2024-11-09 11:02:26,213 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 11:02:26,218 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-09 11:02:26,218 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 11:02:26,219 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 11:02:26,219 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 11:02:26,289 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 11:02:26,289 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 11:02:26,289 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 11:02:26,290 INFO L158 Benchmark]: Toolchain (without parser) took 7682.86ms. Allocated memory was 165.7MB in the beginning and 274.7MB in the end (delta: 109.1MB). Free memory was 92.3MB in the beginning and 105.2MB in the end (delta: -12.9MB). Peak memory consumption was 99.0MB. Max. memory is 16.1GB. [2024-11-09 11:02:26,290 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 165.7MB. Free memory was 118.1MB in the beginning and 117.9MB in the end (delta: 160.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 11:02:26,290 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.12ms. Allocated memory is still 165.7MB. Free memory was 92.1MB in the beginning and 79.7MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 11:02:26,291 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.63ms. Allocated memory is still 165.7MB. Free memory was 79.7MB in the beginning and 135.0MB in the end (delta: -55.3MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2024-11-09 11:02:26,291 INFO L158 Benchmark]: Boogie Preprocessor took 38.47ms. Allocated memory is still 165.7MB. Free memory was 135.0MB in the beginning and 136.0MB in the end (delta: -1.0MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. [2024-11-09 11:02:26,291 INFO L158 Benchmark]: RCFGBuilder took 309.18ms. Allocated memory is still 165.7MB. Free memory was 136.0MB in the beginning and 122.3MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 11:02:26,291 INFO L158 Benchmark]: TraceAbstraction took 6978.40ms. Allocated memory was 165.7MB in the beginning and 274.7MB in the end (delta: 109.1MB). Free memory was 121.3MB in the beginning and 110.5MB in the end (delta: 10.9MB). Peak memory consumption was 119.8MB. Max. memory is 16.1GB. [2024-11-09 11:02:26,291 INFO L158 Benchmark]: Witness Printer took 78.80ms. Allocated memory is still 274.7MB. Free memory was 110.5MB in the beginning and 105.2MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 11:02:26,292 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69ms. Allocated memory is still 165.7MB. Free memory was 118.1MB in the beginning and 117.9MB in the end (delta: 160.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 225.12ms. Allocated memory is still 165.7MB. Free memory was 92.1MB in the beginning and 79.7MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.63ms. Allocated memory is still 165.7MB. Free memory was 79.7MB in the beginning and 135.0MB in the end (delta: -55.3MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.47ms. Allocated memory is still 165.7MB. Free memory was 135.0MB in the beginning and 136.0MB in the end (delta: -1.0MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. * RCFGBuilder took 309.18ms. Allocated memory is still 165.7MB. Free memory was 136.0MB in the beginning and 122.3MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 6978.40ms. Allocated memory was 165.7MB in the beginning and 274.7MB in the end (delta: 109.1MB). Free memory was 121.3MB in the beginning and 110.5MB in the end (delta: 10.9MB). Peak memory consumption was 119.8MB. Max. memory is 16.1GB. * Witness Printer took 78.80ms. Allocated memory is still 274.7MB. Free memory was 110.5MB in the beginning and 105.2MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 34 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 6.9s, OverallIterations: 14, TraceHistogramMax: 31, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 1142 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 845 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 598 IncrementalHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 297 mSDtfsCounter, 598 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 641 GetRequests, 482 SyntacticMatches, 0 SemanticMatches, 159 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1677 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=162occurred in iteration=12, InterpolantAutomatonStates: 164, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 18 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 1047 NumberOfCodeBlocks, 915 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 1212 ConstructedInterpolants, 0 QuantifiedInterpolants, 1880 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1421 ConjunctsInSsa, 75 ConjunctsInUnsatCore, 27 InterpolantComputations, 10 PerfectInterpolantSequences, 6490/7631 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: (0 < ((long long) i + 1)) - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: (0 < (2147483649 + x)) - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: ((i == 0) || (0 < i)) RESULT: Ultimate proved your program to be correct! [2024-11-09 11:02:26,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE