./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_init6_ground-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_init6_ground-1.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 ff138f81519ab5ff475befdf624922816837c8f1983c223aa78c0525de509876 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 19:30:39,190 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 19:30:39,274 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-24 19:30:39,286 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 19:30:39,288 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 19:30:39,314 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 19:30:39,315 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 19:30:39,315 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 19:30:39,316 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 19:30:39,319 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 19:30:39,320 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 19:30:39,320 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 19:30:39,321 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 19:30:39,321 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 19:30:39,321 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 19:30:39,322 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 19:30:39,322 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 19:30:39,322 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 19:30:39,324 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 19:30:39,324 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 19:30:39,324 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 19:30:39,325 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 19:30:39,325 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 19:30:39,325 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 19:30:39,326 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 19:30:39,326 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 19:30:39,326 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 19:30:39,326 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 19:30:39,326 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 19:30:39,327 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 19:30:39,327 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 19:30:39,327 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 19:30:39,327 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 19:30:39,328 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 19:30:39,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 19:30:39,330 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 19:30:39,330 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 19:30:39,331 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 19:30:39,331 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 19:30:39,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 19:30:39,331 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 19:30:39,332 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 19:30:39,333 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 19:30:39,333 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 19:30:39,333 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff138f81519ab5ff475befdf624922816837c8f1983c223aa78c0525de509876 [2024-10-24 19:30:39,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 19:30:39,607 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 19:30:39,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 19:30:39,611 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 19:30:39,611 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 19:30:39,612 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_init6_ground-1.i [2024-10-24 19:30:41,010 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 19:30:41,214 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 19:30:41,215 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_init6_ground-1.i [2024-10-24 19:30:41,230 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61c96a956/3b1c4c94b67f4589b04ce005a0566737/FLAGb8a877a70 [2024-10-24 19:30:41,587 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61c96a956/3b1c4c94b67f4589b04ce005a0566737 [2024-10-24 19:30:41,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 19:30:41,590 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 19:30:41,592 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 19:30:41,592 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 19:30:41,597 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 19:30:41,598 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:30:41" (1/1) ... [2024-10-24 19:30:41,599 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75342e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:30:41, skipping insertion in model container [2024-10-24 19:30:41,599 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:30:41" (1/1) ... [2024-10-24 19:30:41,623 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 19:30:41,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 19:30:41,812 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 19:30:41,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 19:30:41,846 INFO L204 MainTranslator]: Completed translation [2024-10-24 19:30:41,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:30:41 WrapperNode [2024-10-24 19:30:41,847 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 19:30:41,848 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 19:30:41,848 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 19:30:41,848 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 19:30:41,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:30:41" (1/1) ... [2024-10-24 19:30:41,862 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:30:41" (1/1) ... [2024-10-24 19:30:41,878 INFO L138 Inliner]: procedures = 15, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 90 [2024-10-24 19:30:41,878 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 19:30:41,879 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 19:30:41,879 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 19:30:41,880 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 19:30:41,892 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:30:41" (1/1) ... [2024-10-24 19:30:41,893 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:30:41" (1/1) ... [2024-10-24 19:30:41,895 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:30:41" (1/1) ... [2024-10-24 19:30:41,909 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 6 writes are split as follows [0, 6]. [2024-10-24 19:30:41,909 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:30:41" (1/1) ... [2024-10-24 19:30:41,909 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:30:41" (1/1) ... [2024-10-24 19:30:41,916 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:30:41" (1/1) ... [2024-10-24 19:30:41,921 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:30:41" (1/1) ... [2024-10-24 19:30:41,922 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:30:41" (1/1) ... [2024-10-24 19:30:41,923 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:30:41" (1/1) ... [2024-10-24 19:30:41,925 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 19:30:41,926 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 19:30:41,926 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 19:30:41,927 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 19:30:41,927 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:30:41" (1/1) ... [2024-10-24 19:30:41,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 19:30:41,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:30:41,968 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 19:30:41,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 19:30:42,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 19:30:42,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 19:30:42,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 19:30:42,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 19:30:42,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 19:30:42,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 19:30:42,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 19:30:42,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 19:30:42,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 19:30:42,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 19:30:42,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 19:30:42,095 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 19:30:42,096 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 19:30:42,284 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-10-24 19:30:42,285 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 19:30:42,310 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 19:30:42,310 INFO L314 CfgBuilder]: Removed 7 assume(true) statements. [2024-10-24 19:30:42,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:30:42 BoogieIcfgContainer [2024-10-24 19:30:42,311 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 19:30:42,313 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 19:30:42,313 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 19:30:42,317 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 19:30:42,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 07:30:41" (1/3) ... [2024-10-24 19:30:42,318 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35d51991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:30:42, skipping insertion in model container [2024-10-24 19:30:42,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:30:41" (2/3) ... [2024-10-24 19:30:42,318 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35d51991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:30:42, skipping insertion in model container [2024-10-24 19:30:42,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:30:42" (3/3) ... [2024-10-24 19:30:42,319 INFO L112 eAbstractionObserver]: Analyzing ICFG standard_init6_ground-1.i [2024-10-24 19:30:42,332 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 19:30:42,332 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-10-24 19:30:42,378 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 19:30:42,384 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;@866b1d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 19:30:42,384 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2024-10-24 19:30:42,388 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 33 states have (on average 1.9090909090909092) internal successors, (63), 47 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:30:42,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-10-24 19:30:42,392 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:30:42,392 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-10-24 19:30:42,393 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 19:30:42,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:30:42,397 INFO L85 PathProgramCache]: Analyzing trace with hash 170450, now seen corresponding path program 1 times [2024-10-24 19:30:42,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:30:42,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365363020] [2024-10-24 19:30:42,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:30:42,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:30:42,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:30:42,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:30:42,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:30:42,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365363020] [2024-10-24 19:30:42,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365363020] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:30:42,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:30:42,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-24 19:30:42,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987692030] [2024-10-24 19:30:42,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:30:42,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 19:30:42,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:30:42,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 19:30:42,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:30:42,643 INFO L87 Difference]: Start difference. First operand has 48 states, 33 states have (on average 1.9090909090909092) internal successors, (63), 47 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:30:42,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:30:42,810 INFO L93 Difference]: Finished difference Result 109 states and 159 transitions. [2024-10-24 19:30:42,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 19:30:42,812 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2024-10-24 19:30:42,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:30:42,818 INFO L225 Difference]: With dead ends: 109 [2024-10-24 19:30:42,819 INFO L226 Difference]: Without dead ends: 62 [2024-10-24 19:30:42,821 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:30:42,823 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 11 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:30:42,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 39 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:30:42,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-10-24 19:30:42,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-10-24 19:30:42,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 48 states have (on average 1.4166666666666667) internal successors, (68), 61 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:30:42,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 68 transitions. [2024-10-24 19:30:42,856 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 68 transitions. Word has length 3 [2024-10-24 19:30:42,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:30:42,856 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 68 transitions. [2024-10-24 19:30:42,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:30:42,857 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 68 transitions. [2024-10-24 19:30:42,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-24 19:30:42,857 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:30:42,858 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2024-10-24 19:30:42,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 19:30:42,858 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 19:30:42,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:30:42,859 INFO L85 PathProgramCache]: Analyzing trace with hash 782953213, now seen corresponding path program 1 times [2024-10-24 19:30:42,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:30:42,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786552393] [2024-10-24 19:30:42,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:30:42,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:30:42,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:30:42,951 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:30:42,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:30:42,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786552393] [2024-10-24 19:30:42,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786552393] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:30:42,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1753506995] [2024-10-24 19:30:42,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:30:42,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:30:42,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:30:42,956 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:30:42,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 19:30:43,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:30:43,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 19:30:43,058 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:30:43,102 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:30:43,102 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 19:30:43,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1753506995] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:30:43,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 19:30:43,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 3 [2024-10-24 19:30:43,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306381836] [2024-10-24 19:30:43,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:30:43,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 19:30:43,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:30:43,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 19:30:43,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 19:30:43,108 INFO L87 Difference]: Start difference. First operand 62 states and 68 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:30:43,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:30:43,255 INFO L93 Difference]: Finished difference Result 62 states and 68 transitions. [2024-10-24 19:30:43,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 19:30:43,256 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-24 19:30:43,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:30:43,257 INFO L225 Difference]: With dead ends: 62 [2024-10-24 19:30:43,259 INFO L226 Difference]: Without dead ends: 56 [2024-10-24 19:30:43,260 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 19:30:43,261 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 21 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:30:43,261 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 26 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:30:43,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-10-24 19:30:43,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-10-24 19:30:43,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 48 states have (on average 1.2916666666666667) internal successors, (62), 55 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:30:43,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 62 transitions. [2024-10-24 19:30:43,276 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 62 transitions. Word has length 6 [2024-10-24 19:30:43,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:30:43,276 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 62 transitions. [2024-10-24 19:30:43,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:30:43,276 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 62 transitions. [2024-10-24 19:30:43,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-24 19:30:43,277 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:30:43,277 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1] [2024-10-24 19:30:43,295 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 19:30:43,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:30:43,478 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 19:30:43,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:30:43,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1498254128, now seen corresponding path program 1 times [2024-10-24 19:30:43,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:30:43,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618394346] [2024-10-24 19:30:43,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:30:43,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:30:43,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:30:43,534 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-24 19:30:43,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:30:43,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618394346] [2024-10-24 19:30:43,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618394346] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:30:43,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:30:43,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 19:30:43,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185287045] [2024-10-24 19:30:43,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:30:43,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 19:30:43,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:30:43,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 19:30:43,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:30:43,540 INFO L87 Difference]: Start difference. First operand 56 states and 62 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:30:43,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:30:43,605 INFO L93 Difference]: Finished difference Result 56 states and 62 transitions. [2024-10-24 19:30:43,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 19:30:43,606 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-24 19:30:43,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:30:43,607 INFO L225 Difference]: With dead ends: 56 [2024-10-24 19:30:43,608 INFO L226 Difference]: Without dead ends: 50 [2024-10-24 19:30:43,608 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:30:43,609 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 10 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:30:43,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 25 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:30:43,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-10-24 19:30:43,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 38. [2024-10-24 19:30:43,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 37 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:30:43,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 44 transitions. [2024-10-24 19:30:43,621 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 44 transitions. Word has length 7 [2024-10-24 19:30:43,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:30:43,621 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 44 transitions. [2024-10-24 19:30:43,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:30:43,622 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 44 transitions. [2024-10-24 19:30:43,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-10-24 19:30:43,624 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:30:43,624 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:30:43,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 19:30:43,625 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 19:30:43,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:30:43,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1535092188, now seen corresponding path program 1 times [2024-10-24 19:30:43,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:30:43,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880685649] [2024-10-24 19:30:43,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:30:43,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:30:43,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:30:43,781 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-24 19:30:43,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:30:43,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880685649] [2024-10-24 19:30:43,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880685649] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:30:43,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1348410804] [2024-10-24 19:30:43,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:30:43,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:30:43,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:30:43,784 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:30:43,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 19:30:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:30:43,846 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 19:30:43,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:30:43,870 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-24 19:30:43,870 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:30:43,899 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-24 19:30:43,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1348410804] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:30:43,900 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:30:43,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-24 19:30:43,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806860192] [2024-10-24 19:30:43,900 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:30:43,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 19:30:43,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:30:43,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 19:30:43,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-24 19:30:43,902 INFO L87 Difference]: Start difference. First operand 38 states and 44 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:30:44,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:30:44,083 INFO L93 Difference]: Finished difference Result 125 states and 154 transitions. [2024-10-24 19:30:44,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 19:30:44,085 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2024-10-24 19:30:44,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:30:44,086 INFO L225 Difference]: With dead ends: 125 [2024-10-24 19:30:44,086 INFO L226 Difference]: Without dead ends: 92 [2024-10-24 19:30:44,086 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-24 19:30:44,087 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 84 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 19:30:44,087 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 32 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 19:30:44,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-10-24 19:30:44,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-10-24 19:30:44,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 90 states have (on average 1.0888888888888888) internal successors, (98), 91 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:30:44,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 98 transitions. [2024-10-24 19:30:44,109 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 98 transitions. Word has length 35 [2024-10-24 19:30:44,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:30:44,109 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 98 transitions. [2024-10-24 19:30:44,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:30:44,110 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 98 transitions. [2024-10-24 19:30:44,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-10-24 19:30:44,113 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:30:44,113 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:30:44,131 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 19:30:44,317 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 [2024-10-24 19:30:44,318 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 19:30:44,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:30:44,318 INFO L85 PathProgramCache]: Analyzing trace with hash -601940371, now seen corresponding path program 2 times [2024-10-24 19:30:44,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:30:44,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861530380] [2024-10-24 19:30:44,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:30:44,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:30:44,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:30:44,599 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-10-24 19:30:44,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:30:44,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861530380] [2024-10-24 19:30:44,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861530380] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:30:44,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:30:44,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 19:30:44,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538699952] [2024-10-24 19:30:44,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:30:44,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 19:30:44,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:30:44,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 19:30:44,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 19:30:44,603 INFO L87 Difference]: Start difference. First operand 92 states and 98 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 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) [2024-10-24 19:30:44,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:30:44,632 INFO L93 Difference]: Finished difference Result 99 states and 105 transitions. [2024-10-24 19:30:44,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 19:30:44,633 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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 89 [2024-10-24 19:30:44,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:30:44,635 INFO L225 Difference]: With dead ends: 99 [2024-10-24 19:30:44,636 INFO L226 Difference]: Without dead ends: 97 [2024-10-24 19:30:44,636 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 [2024-10-24 19:30:44,637 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 1 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:30:44,639 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 96 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:30:44,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-10-24 19:30:44,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-10-24 19:30:44,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 95 states have (on average 1.0842105263157895) internal successors, (103), 96 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:30:44,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 103 transitions. [2024-10-24 19:30:44,655 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 103 transitions. Word has length 89 [2024-10-24 19:30:44,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:30:44,658 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 103 transitions. [2024-10-24 19:30:44,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:30:44,658 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 103 transitions. [2024-10-24 19:30:44,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-24 19:30:44,659 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:30:44,659 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:30:44,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 19:30:44,660 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 19:30:44,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:30:44,664 INFO L85 PathProgramCache]: Analyzing trace with hash -739387272, now seen corresponding path program 1 times [2024-10-24 19:30:44,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:30:44,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280436992] [2024-10-24 19:30:44,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:30:44,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:30:44,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:30:44,942 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-10-24 19:30:44,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:30:44,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280436992] [2024-10-24 19:30:44,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280436992] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:30:44,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1279525455] [2024-10-24 19:30:44,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:30:44,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:30:44,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:30:44,946 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:30:44,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 19:30:45,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:30:45,075 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 19:30:45,078 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:30:45,129 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-10-24 19:30:45,129 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:30:45,212 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-10-24 19:30:45,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1279525455] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:30:45,213 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:30:45,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-10-24 19:30:45,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260614817] [2024-10-24 19:30:45,213 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:30:45,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 19:30:45,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:30:45,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 19:30:45,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-10-24 19:30:45,215 INFO L87 Difference]: Start difference. First operand 97 states and 103 transitions. Second operand has 13 states, 13 states have (on average 4.923076923076923) internal successors, (64), 12 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:30:45,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:30:45,557 INFO L93 Difference]: Finished difference Result 288 states and 335 transitions. [2024-10-24 19:30:45,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 19:30:45,557 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.923076923076923) internal successors, (64), 12 states have internal predecessors, (64), 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 94 [2024-10-24 19:30:45,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:30:45,560 INFO L225 Difference]: With dead ends: 288 [2024-10-24 19:30:45,560 INFO L226 Difference]: Without dead ends: 205 [2024-10-24 19:30:45,560 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-10-24 19:30:45,561 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 174 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 19:30:45,561 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 46 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 19:30:45,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-10-24 19:30:45,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2024-10-24 19:30:45,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 203 states have (on average 1.0394088669950738) internal successors, (211), 204 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:30:45,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 211 transitions. [2024-10-24 19:30:45,586 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 211 transitions. Word has length 94 [2024-10-24 19:30:45,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:30:45,586 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 211 transitions. [2024-10-24 19:30:45,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.923076923076923) internal successors, (64), 12 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:30:45,586 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 211 transitions. [2024-10-24 19:30:45,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-10-24 19:30:45,591 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:30:45,591 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:30:45,608 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-24 19:30:45,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:30:45,792 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 19:30:45,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:30:45,793 INFO L85 PathProgramCache]: Analyzing trace with hash 595926232, now seen corresponding path program 2 times [2024-10-24 19:30:45,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:30:45,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627881680] [2024-10-24 19:30:45,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:30:45,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:30:45,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:30:46,310 INFO L134 CoverageAnalysis]: Checked inductivity of 874 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 729 trivial. 0 not checked. [2024-10-24 19:30:46,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:30:46,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627881680] [2024-10-24 19:30:46,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627881680] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:30:46,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616213385] [2024-10-24 19:30:46,312 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 19:30:46,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:30:46,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:30:46,314 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:30:46,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 19:30:46,506 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 19:30:46,507 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:30:46,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-24 19:30:46,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:30:46,593 INFO L134 CoverageAnalysis]: Checked inductivity of 874 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 729 trivial. 0 not checked. [2024-10-24 19:30:46,593 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:30:46,862 INFO L134 CoverageAnalysis]: Checked inductivity of 874 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 729 trivial. 0 not checked. [2024-10-24 19:30:46,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616213385] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:30:46,863 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:30:46,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 24 [2024-10-24 19:30:46,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252201107] [2024-10-24 19:30:46,863 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:30:46,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-10-24 19:30:46,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:30:46,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-24 19:30:46,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2024-10-24 19:30:46,867 INFO L87 Difference]: Start difference. First operand 205 states and 211 transitions. Second operand has 25 states, 25 states have (on average 4.0) internal successors, (100), 24 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:30:47,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:30:47,610 INFO L93 Difference]: Finished difference Result 594 states and 677 transitions. [2024-10-24 19:30:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-24 19:30:47,610 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 4.0) internal successors, (100), 24 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 202 [2024-10-24 19:30:47,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:30:47,612 INFO L225 Difference]: With dead ends: 594 [2024-10-24 19:30:47,612 INFO L226 Difference]: Without dead ends: 421 [2024-10-24 19:30:47,614 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 414 GetRequests, 391 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2024-10-24 19:30:47,614 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 554 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 342 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 554 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 342 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 19:30:47,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [554 Valid, 46 Invalid, 792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [342 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 19:30:47,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2024-10-24 19:30:47,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2024-10-24 19:30:47,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 419 states have (on average 1.0190930787589498) internal successors, (427), 420 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:30:47,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 427 transitions. [2024-10-24 19:30:47,635 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 427 transitions. Word has length 202 [2024-10-24 19:30:47,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:30:47,636 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 427 transitions. [2024-10-24 19:30:47,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.0) internal successors, (100), 24 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:30:47,636 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 427 transitions. [2024-10-24 19:30:47,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2024-10-24 19:30:47,642 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:30:47,643 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:30:47,661 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-24 19:30:47,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:30:47,844 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 19:30:47,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:30:47,845 INFO L85 PathProgramCache]: Analyzing trace with hash -531608168, now seen corresponding path program 3 times [2024-10-24 19:30:47,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:30:47,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221252423] [2024-10-24 19:30:47,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:30:47,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:30:47,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:30:49,607 INFO L134 CoverageAnalysis]: Checked inductivity of 4294 backedges. 0 proven. 715 refuted. 0 times theorem prover too weak. 3579 trivial. 0 not checked. [2024-10-24 19:30:49,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:30:49,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221252423] [2024-10-24 19:30:49,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221252423] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:30:49,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1719563396] [2024-10-24 19:30:49,608 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-24 19:30:49,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:30:49,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:30:49,610 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:30:49,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 19:30:49,779 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-24 19:30:49,780 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:30:49,782 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 19:30:49,792 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:30:49,885 INFO L134 CoverageAnalysis]: Checked inductivity of 4294 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4290 trivial. 0 not checked. [2024-10-24 19:30:49,885 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 19:30:49,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1719563396] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:30:49,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 19:30:49,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [24] total 28 [2024-10-24 19:30:49,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113744272] [2024-10-24 19:30:49,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:30:49,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 19:30:49,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:30:49,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 19:30:49,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=449, Unknown=0, NotChecked=0, Total=756 [2024-10-24 19:30:49,888 INFO L87 Difference]: Start difference. First operand 421 states and 427 transitions. Second operand has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:30:49,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:30:49,913 INFO L93 Difference]: Finished difference Result 421 states and 427 transitions. [2024-10-24 19:30:49,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 19:30:49,915 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 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 418 [2024-10-24 19:30:49,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:30:49,921 INFO L225 Difference]: With dead ends: 421 [2024-10-24 19:30:49,921 INFO L226 Difference]: Without dead ends: 420 [2024-10-24 19:30:49,922 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 415 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=307, Invalid=449, Unknown=0, NotChecked=0, Total=756 [2024-10-24 19:30:49,923 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 1 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:30:49,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 91 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:30:49,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-10-24 19:30:49,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 420. [2024-10-24 19:30:49,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 419 states have (on average 1.0167064439140812) internal successors, (426), 419 states have internal predecessors, (426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:30:49,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 426 transitions. [2024-10-24 19:30:49,949 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 426 transitions. Word has length 418 [2024-10-24 19:30:49,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:30:49,950 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 426 transitions. [2024-10-24 19:30:49,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:30:49,951 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 426 transitions. [2024-10-24 19:30:49,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2024-10-24 19:30:49,959 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:30:49,959 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:30:49,979 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-24 19:30:50,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:30:50,161 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 19:30:50,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:30:50,161 INFO L85 PathProgramCache]: Analyzing trace with hash 700016140, now seen corresponding path program 1 times [2024-10-24 19:30:50,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:30:50,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382872882] [2024-10-24 19:30:50,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:30:50,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:30:50,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:30:50,501 INFO L134 CoverageAnalysis]: Checked inductivity of 4295 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4291 trivial. 0 not checked. [2024-10-24 19:30:50,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:30:50,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382872882] [2024-10-24 19:30:50,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382872882] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:30:50,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:30:50,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 19:30:50,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941379649] [2024-10-24 19:30:50,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:30:50,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 19:30:50,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:30:50,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 19:30:50,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 19:30:50,504 INFO L87 Difference]: Start difference. First operand 420 states and 426 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:30:50,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:30:50,529 INFO L93 Difference]: Finished difference Result 420 states and 426 transitions. [2024-10-24 19:30:50,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 19:30:50,529 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 419 [2024-10-24 19:30:50,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:30:50,530 INFO L225 Difference]: With dead ends: 420 [2024-10-24 19:30:50,530 INFO L226 Difference]: Without dead ends: 0 [2024-10-24 19:30:50,531 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 [2024-10-24 19:30:50,532 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 0 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 91 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 [2024-10-24 19:30:50,534 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 91 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:30:50,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-24 19:30:50,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-24 19:30:50,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:30:50,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-24 19:30:50,535 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 419 [2024-10-24 19:30:50,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:30:50,536 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-24 19:30:50,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:30:50,536 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-24 19:30:50,536 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-24 19:30:50,539 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 14 remaining) [2024-10-24 19:30:50,539 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 14 remaining) [2024-10-24 19:30:50,540 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 14 remaining) [2024-10-24 19:30:50,540 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 14 remaining) [2024-10-24 19:30:50,540 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 14 remaining) [2024-10-24 19:30:50,541 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 14 remaining) [2024-10-24 19:30:50,541 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 14 remaining) [2024-10-24 19:30:50,541 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 14 remaining) [2024-10-24 19:30:50,541 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 14 remaining) [2024-10-24 19:30:50,541 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 14 remaining) [2024-10-24 19:30:50,542 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 14 remaining) [2024-10-24 19:30:50,542 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 14 remaining) [2024-10-24 19:30:50,542 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 14 remaining) [2024-10-24 19:30:50,542 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 14 remaining) [2024-10-24 19:30:50,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 19:30:50,556 INFO L407 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1] [2024-10-24 19:30:50,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-24 19:30:50,664 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 19:30:50,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 07:30:50 BoogieIcfgContainer [2024-10-24 19:30:50,680 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 19:30:50,681 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 19:30:50,681 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 19:30:50,682 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 19:30:50,682 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:30:42" (3/4) ... [2024-10-24 19:30:50,684 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 19:30:50,690 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-10-24 19:30:50,691 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-24 19:30:50,691 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-24 19:30:50,692 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-24 19:30:50,786 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 19:30:50,787 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 19:30:50,787 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 19:30:50,788 INFO L158 Benchmark]: Toolchain (without parser) took 9197.48ms. Allocated memory was 161.5MB in the beginning and 325.1MB in the end (delta: 163.6MB). Free memory was 106.8MB in the beginning and 258.5MB in the end (delta: -151.7MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2024-10-24 19:30:50,788 INFO L158 Benchmark]: CDTParser took 1.00ms. Allocated memory is still 161.5MB. Free memory is still 126.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 19:30:50,788 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.87ms. Allocated memory is still 161.5MB. Free memory was 106.8MB in the beginning and 94.7MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-24 19:30:50,789 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.93ms. Allocated memory is still 161.5MB. Free memory was 94.3MB in the beginning and 92.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 19:30:50,789 INFO L158 Benchmark]: Boogie Preprocessor took 46.17ms. Allocated memory is still 161.5MB. Free memory was 92.9MB in the beginning and 91.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 19:30:50,790 INFO L158 Benchmark]: RCFGBuilder took 384.49ms. Allocated memory is still 161.5MB. Free memory was 90.8MB in the beginning and 75.8MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-24 19:30:50,790 INFO L158 Benchmark]: TraceAbstraction took 8367.78ms. Allocated memory was 161.5MB in the beginning and 325.1MB in the end (delta: 163.6MB). Free memory was 75.0MB in the beginning and 263.8MB in the end (delta: -188.7MB). Peak memory consumption was 107.0MB. Max. memory is 16.1GB. [2024-10-24 19:30:50,790 INFO L158 Benchmark]: Witness Printer took 105.92ms. Allocated memory is still 325.1MB. Free memory was 263.8MB in the beginning and 258.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 19:30:50,792 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.00ms. Allocated memory is still 161.5MB. Free memory is still 126.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.87ms. Allocated memory is still 161.5MB. Free memory was 106.8MB in the beginning and 94.7MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.93ms. Allocated memory is still 161.5MB. Free memory was 94.3MB in the beginning and 92.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.17ms. Allocated memory is still 161.5MB. Free memory was 92.9MB in the beginning and 91.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 384.49ms. Allocated memory is still 161.5MB. Free memory was 90.8MB in the beginning and 75.8MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 8367.78ms. Allocated memory was 161.5MB in the beginning and 325.1MB in the end (delta: 163.6MB). Free memory was 75.0MB in the beginning and 263.8MB in the end (delta: -188.7MB). Peak memory consumption was 107.0MB. Max. memory is 16.1GB. * Witness Printer took 105.92ms. Allocated memory is still 325.1MB. Free memory was 263.8MB in the beginning and 258.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: 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, 48 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 8.2s, OverallIterations: 9, TraceHistogramMax: 22, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 856 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 856 mSDsluCounter, 492 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 282 mSDsCounter, 582 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1009 IncrementalHoareTripleChecker+Invalid, 1591 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 582 mSolverCounterUnsat, 210 mSDtfsCounter, 1009 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1134 GetRequests, 1060 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=421occurred in iteration=7, InterpolantAutomatonStates: 64, 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, 9 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 2028 NumberOfCodeBlocks, 1650 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2342 ConstructedInterpolants, 0 QuantifiedInterpolants, 2828 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1192 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 17 InterpolantComputations, 6 PerfectInterpolantSequences, 14849/16070 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 14 specifications checked. All of them hold - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((0 < i) || (i == 0)) - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: (0 < (2147483649 + x)) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((0 < i) || (i == 0)) - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: ((0 < i) || (i == 0)) - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: ((0 < i) || (i == 0)) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((0 < i) || (i == 0)) - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: ((0 < i) || (i == 0)) RESULT: Ultimate proved your program to be correct! [2024-10-24 19:30:50,820 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE