./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-multidimensional/init-non-constant-2-n-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version fca748b1 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-multidimensional/init-non-constant-2-n-u.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4fa401c700a21fa1f98a1481c8e8ba1555a45c0429555dc041a1c04ce1059991 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 17:57:41,213 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 17:57:41,268 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-20 17:57:41,272 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 17:57:41,274 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 17:57:41,314 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 17:57:41,315 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 17:57:41,316 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 17:57:41,317 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 17:57:41,319 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 17:57:41,320 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 17:57:41,320 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 17:57:41,320 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 17:57:41,321 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 17:57:41,321 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 17:57:41,322 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 17:57:41,322 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 17:57:41,322 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 17:57:41,322 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 17:57:41,323 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 17:57:41,323 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 17:57:41,323 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 17:57:41,324 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 17:57:41,325 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 17:57:41,325 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 17:57:41,325 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 17:57:41,325 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 17:57:41,325 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 17:57:41,326 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 17:57:41,326 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 17:57:41,326 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 17:57:41,326 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 17:57:41,326 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 17:57:41,326 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 17:57:41,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 17:57:41,327 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 17:57:41,327 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 17:57:41,328 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 17:57:41,328 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 17:57:41,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 17:57:41,329 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 17:57:41,329 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 17:57:41,329 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 17:57:41,329 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 17:57:41,329 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fa401c700a21fa1f98a1481c8e8ba1555a45c0429555dc041a1c04ce1059991 [2024-11-20 17:57:41,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 17:57:41,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 17:57:41,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 17:57:41,569 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 17:57:41,570 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 17:57:41,570 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/init-non-constant-2-n-u.c [2024-11-20 17:57:42,801 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 17:57:42,947 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 17:57:42,948 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/init-non-constant-2-n-u.c [2024-11-20 17:57:42,954 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7d1ba9ff/549bf46919354dada7af33684cc85376/FLAG0fd6bd19e [2024-11-20 17:57:42,965 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7d1ba9ff/549bf46919354dada7af33684cc85376 [2024-11-20 17:57:42,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 17:57:42,968 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 17:57:42,969 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 17:57:42,969 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 17:57:42,975 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 17:57:42,975 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:57:42" (1/1) ... [2024-11-20 17:57:42,976 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21930e3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:42, skipping insertion in model container [2024-11-20 17:57:42,976 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:57:42" (1/1) ... [2024-11-20 17:57:42,998 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 17:57:43,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 17:57:43,150 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 17:57:43,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 17:57:43,179 INFO L204 MainTranslator]: Completed translation [2024-11-20 17:57:43,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:43 WrapperNode [2024-11-20 17:57:43,180 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 17:57:43,180 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 17:57:43,180 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 17:57:43,181 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 17:57:43,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:43" (1/1) ... [2024-11-20 17:57:43,192 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:43" (1/1) ... [2024-11-20 17:57:43,207 INFO L138 Inliner]: procedures = 16, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 84 [2024-11-20 17:57:43,207 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 17:57:43,208 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 17:57:43,208 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 17:57:43,208 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 17:57:43,217 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:43" (1/1) ... [2024-11-20 17:57:43,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:43" (1/1) ... [2024-11-20 17:57:43,218 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:43" (1/1) ... [2024-11-20 17:57:43,229 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [2, 2]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2024-11-20 17:57:43,229 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:43" (1/1) ... [2024-11-20 17:57:43,229 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:43" (1/1) ... [2024-11-20 17:57:43,233 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:43" (1/1) ... [2024-11-20 17:57:43,237 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:43" (1/1) ... [2024-11-20 17:57:43,238 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:43" (1/1) ... [2024-11-20 17:57:43,239 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:43" (1/1) ... [2024-11-20 17:57:43,240 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 17:57:43,241 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 17:57:43,241 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 17:57:43,241 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 17:57:43,242 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:43" (1/1) ... [2024-11-20 17:57:43,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 17:57:43,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:43,284 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 17:57:43,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 17:57:43,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 17:57:43,330 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 17:57:43,330 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 17:57:43,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 17:57:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 17:57:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 17:57:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 17:57:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 17:57:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 17:57:43,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 17:57:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 17:57:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 17:57:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 17:57:43,381 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 17:57:43,383 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 17:57:43,542 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-20 17:57:43,542 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 17:57:43,557 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 17:57:43,557 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-20 17:57:43,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:57:43 BoogieIcfgContainer [2024-11-20 17:57:43,558 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 17:57:43,560 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 17:57:43,560 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 17:57:43,563 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 17:57:43,563 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:57:42" (1/3) ... [2024-11-20 17:57:43,564 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@389fd278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:57:43, skipping insertion in model container [2024-11-20 17:57:43,564 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:43" (2/3) ... [2024-11-20 17:57:43,565 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@389fd278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:57:43, skipping insertion in model container [2024-11-20 17:57:43,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:57:43" (3/3) ... [2024-11-20 17:57:43,566 INFO L112 eAbstractionObserver]: Analyzing ICFG init-non-constant-2-n-u.c [2024-11-20 17:57:43,581 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 17:57:43,581 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-11-20 17:57:43,626 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 17:57:43,631 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;@20a9e355, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 17:57:43,632 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-11-20 17:57:43,636 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 29 states have (on average 1.7586206896551724) internal successors, (51), 42 states have internal predecessors, (51), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 17:57:43,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-20 17:57:43,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:43,642 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:43,642 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 17:57:43,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:43,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1060113800, now seen corresponding path program 1 times [2024-11-20 17:57:43,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:43,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897876008] [2024-11-20 17:57:43,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:43,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:43,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:43,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 17:57:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:43,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 17:57:43,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:43,798 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 17:57:43,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:43,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897876008] [2024-11-20 17:57:43,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897876008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:57:43,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:57:43,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 17:57:43,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469983576] [2024-11-20 17:57:43,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:57:43,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 17:57:43,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:43,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 17:57:43,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 17:57:43,824 INFO L87 Difference]: Start difference. First operand has 45 states, 29 states have (on average 1.7586206896551724) internal successors, (51), 42 states have internal predecessors, (51), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 17:57:43,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:43,839 INFO L93 Difference]: Finished difference Result 86 states and 107 transitions. [2024-11-20 17:57:43,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 17:57:43,841 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2024-11-20 17:57:43,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:43,846 INFO L225 Difference]: With dead ends: 86 [2024-11-20 17:57:43,846 INFO L226 Difference]: Without dead ends: 39 [2024-11-20 17:57:43,849 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 17:57:43,851 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:43,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:57:43,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-11-20 17:57:43,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2024-11-20 17:57:43,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 24 states have (on average 1.625) internal successors, (39), 36 states have internal predecessors, (39), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 17:57:43,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2024-11-20 17:57:43,881 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 15 [2024-11-20 17:57:43,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:43,882 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2024-11-20 17:57:43,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 17:57:43,882 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2024-11-20 17:57:43,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-20 17:57:43,883 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:43,883 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:43,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 17:57:43,884 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 17:57:43,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:43,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1818436308, now seen corresponding path program 1 times [2024-11-20 17:57:43,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:43,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621964914] [2024-11-20 17:57:43,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:43,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:43,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 17:57:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:43,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 17:57:44,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:44,016 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 17:57:44,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:44,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621964914] [2024-11-20 17:57:44,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621964914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:57:44,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:57:44,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 17:57:44,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601706943] [2024-11-20 17:57:44,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:57:44,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 17:57:44,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:44,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 17:57:44,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 17:57:44,022 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 17:57:44,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:44,095 INFO L93 Difference]: Finished difference Result 65 states and 76 transitions. [2024-11-20 17:57:44,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 17:57:44,096 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-11-20 17:57:44,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:44,097 INFO L225 Difference]: With dead ends: 65 [2024-11-20 17:57:44,097 INFO L226 Difference]: Without dead ends: 61 [2024-11-20 17:57:44,097 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 17:57:44,099 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 20 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:44,100 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 46 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 17:57:44,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-20 17:57:44,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 57. [2024-11-20 17:57:44,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 42 states have (on average 1.619047619047619) internal successors, (68), 53 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 17:57:44,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 72 transitions. [2024-11-20 17:57:44,113 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 72 transitions. Word has length 15 [2024-11-20 17:57:44,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:44,114 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 72 transitions. [2024-11-20 17:57:44,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 17:57:44,115 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2024-11-20 17:57:44,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-20 17:57:44,115 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:44,115 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:44,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 17:57:44,115 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 17:57:44,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:44,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1818436359, now seen corresponding path program 1 times [2024-11-20 17:57:44,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:44,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286397594] [2024-11-20 17:57:44,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:44,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:44,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:44,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 17:57:44,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:44,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 17:57:44,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:44,235 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 17:57:44,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:44,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286397594] [2024-11-20 17:57:44,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286397594] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:57:44,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:57:44,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 17:57:44,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972216762] [2024-11-20 17:57:44,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:57:44,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:57:44,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:44,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:57:44,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:57:44,238 INFO L87 Difference]: Start difference. First operand 57 states and 72 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 17:57:44,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:44,381 INFO L93 Difference]: Finished difference Result 81 states and 94 transitions. [2024-11-20 17:57:44,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:57:44,382 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-11-20 17:57:44,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:44,383 INFO L225 Difference]: With dead ends: 81 [2024-11-20 17:57:44,383 INFO L226 Difference]: Without dead ends: 73 [2024-11-20 17:57:44,383 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:57:44,384 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 33 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:44,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 57 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 17:57:44,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-20 17:57:44,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 69. [2024-11-20 17:57:44,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 54 states have (on average 1.5185185185185186) internal successors, (82), 65 states have internal predecessors, (82), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 17:57:44,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 86 transitions. [2024-11-20 17:57:44,393 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 86 transitions. Word has length 15 [2024-11-20 17:57:44,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:44,394 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 86 transitions. [2024-11-20 17:57:44,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 17:57:44,395 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2024-11-20 17:57:44,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-20 17:57:44,397 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:44,397 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:44,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 17:57:44,398 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 17:57:44,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:44,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1842132331, now seen corresponding path program 1 times [2024-11-20 17:57:44,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:44,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586459627] [2024-11-20 17:57:44,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:44,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:44,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:44,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 17:57:44,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:44,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 17:57:44,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:44,459 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 17:57:44,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:44,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586459627] [2024-11-20 17:57:44,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586459627] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:57:44,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262386976] [2024-11-20 17:57:44,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:44,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:44,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:44,462 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 17:57:44,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 17:57:44,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:44,509 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 17:57:44,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:57:44,558 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 17:57:44,558 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 17:57:44,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [262386976] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:57:44,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 17:57:44,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-20 17:57:44,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291842037] [2024-11-20 17:57:44,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:57:44,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:57:44,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:44,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:57:44,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 17:57:44,560 INFO L87 Difference]: Start difference. First operand 69 states and 86 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 17:57:44,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:44,614 INFO L93 Difference]: Finished difference Result 73 states and 86 transitions. [2024-11-20 17:57:44,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:57:44,616 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2024-11-20 17:57:44,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:44,617 INFO L225 Difference]: With dead ends: 73 [2024-11-20 17:57:44,617 INFO L226 Difference]: Without dead ends: 71 [2024-11-20 17:57:44,617 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 17:57:44,618 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 43 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:44,619 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 51 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:57:44,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-11-20 17:57:44,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 67. [2024-11-20 17:57:44,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 54 states have (on average 1.4814814814814814) internal successors, (80), 63 states have internal predecessors, (80), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 17:57:44,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 84 transitions. [2024-11-20 17:57:44,627 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 84 transitions. Word has length 19 [2024-11-20 17:57:44,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:44,627 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 84 transitions. [2024-11-20 17:57:44,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 17:57:44,627 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2024-11-20 17:57:44,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-20 17:57:44,627 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:44,628 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:44,634 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-20 17:57:44,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:44,832 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 17:57:44,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:44,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1842132382, now seen corresponding path program 1 times [2024-11-20 17:57:44,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:44,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3590786] [2024-11-20 17:57:44,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:44,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:44,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:44,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 17:57:44,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:44,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 17:57:44,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:44,890 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 17:57:44,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:44,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3590786] [2024-11-20 17:57:44,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3590786] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:57:44,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:57:44,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 17:57:44,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756928630] [2024-11-20 17:57:44,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:57:44,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 17:57:44,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:44,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 17:57:44,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 17:57:44,892 INFO L87 Difference]: Start difference. First operand 67 states and 84 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 17:57:44,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:44,949 INFO L93 Difference]: Finished difference Result 142 states and 182 transitions. [2024-11-20 17:57:44,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 17:57:44,950 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2024-11-20 17:57:44,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:44,950 INFO L225 Difference]: With dead ends: 142 [2024-11-20 17:57:44,951 INFO L226 Difference]: Without dead ends: 96 [2024-11-20 17:57:44,951 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 17:57:44,952 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 17 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:44,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 82 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:57:44,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-20 17:57:44,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 94. [2024-11-20 17:57:44,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 81 states have (on average 1.4320987654320987) internal successors, (116), 90 states have internal predecessors, (116), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 17:57:44,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 120 transitions. [2024-11-20 17:57:44,959 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 120 transitions. Word has length 19 [2024-11-20 17:57:44,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:44,959 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 120 transitions. [2024-11-20 17:57:44,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 17:57:44,960 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 120 transitions. [2024-11-20 17:57:44,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-20 17:57:44,960 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:44,960 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:44,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 17:57:44,961 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 17:57:44,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:44,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1271527480, now seen corresponding path program 1 times [2024-11-20 17:57:44,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:44,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089217577] [2024-11-20 17:57:44,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:44,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:44,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:44,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 17:57:45,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:45,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 17:57:45,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:45,012 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 17:57:45,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:45,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089217577] [2024-11-20 17:57:45,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089217577] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:57:45,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [518124764] [2024-11-20 17:57:45,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:45,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:45,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:45,019 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 17:57:45,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 17:57:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:45,064 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 17:57:45,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:57:45,094 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 17:57:45,095 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:57:45,148 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 17:57:45,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [518124764] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:57:45,148 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:57:45,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-20 17:57:45,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771542187] [2024-11-20 17:57:45,149 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:57:45,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 17:57:45,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:45,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 17:57:45,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-20 17:57:45,150 INFO L87 Difference]: Start difference. First operand 94 states and 120 transitions. Second operand has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 17:57:45,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:45,258 INFO L93 Difference]: Finished difference Result 226 states and 300 transitions. [2024-11-20 17:57:45,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 17:57:45,259 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 20 [2024-11-20 17:57:45,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:45,262 INFO L225 Difference]: With dead ends: 226 [2024-11-20 17:57:45,262 INFO L226 Difference]: Without dead ends: 224 [2024-11-20 17:57:45,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-20 17:57:45,263 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 114 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:45,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 102 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 17:57:45,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-11-20 17:57:45,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 208. [2024-11-20 17:57:45,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 195 states have (on average 1.4564102564102563) internal successors, (284), 204 states have internal predecessors, (284), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 17:57:45,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 288 transitions. [2024-11-20 17:57:45,280 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 288 transitions. Word has length 20 [2024-11-20 17:57:45,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:45,280 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 288 transitions. [2024-11-20 17:57:45,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 17:57:45,281 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 288 transitions. [2024-11-20 17:57:45,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-20 17:57:45,282 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:45,282 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:45,288 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-20 17:57:45,482 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,SelfDestructingSolverStorable5 [2024-11-20 17:57:45,483 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 17:57:45,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:45,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1573055787, now seen corresponding path program 1 times [2024-11-20 17:57:45,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:45,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146651102] [2024-11-20 17:57:45,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:45,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:45,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:45,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 17:57:45,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:45,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 17:57:45,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:45,577 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 17:57:45,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:45,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146651102] [2024-11-20 17:57:45,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146651102] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:57:45,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1437523062] [2024-11-20 17:57:45,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:45,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:45,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:45,582 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 17:57:45,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 17:57:45,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:45,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 17:57:45,624 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:57:45,695 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 17:57:45,696 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 17:57:45,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1437523062] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:57:45,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 17:57:45,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-20 17:57:45,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179156831] [2024-11-20 17:57:45,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:57:45,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 17:57:45,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:45,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 17:57:45,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-20 17:57:45,699 INFO L87 Difference]: Start difference. First operand 208 states and 288 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 17:57:45,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:45,772 INFO L93 Difference]: Finished difference Result 208 states and 288 transitions. [2024-11-20 17:57:45,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 17:57:45,773 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2024-11-20 17:57:45,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:45,774 INFO L225 Difference]: With dead ends: 208 [2024-11-20 17:57:45,775 INFO L226 Difference]: Without dead ends: 204 [2024-11-20 17:57:45,775 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-20 17:57:45,776 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 21 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:45,776 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 28 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 17:57:45,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-20 17:57:45,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2024-11-20 17:57:45,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 195 states have (on average 1.3128205128205128) internal successors, (256), 200 states have internal predecessors, (256), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 17:57:45,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 260 transitions. [2024-11-20 17:57:45,793 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 260 transitions. Word has length 20 [2024-11-20 17:57:45,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:45,793 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 260 transitions. [2024-11-20 17:57:45,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 17:57:45,794 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 260 transitions. [2024-11-20 17:57:45,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-20 17:57:45,794 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:45,794 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:45,801 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-20 17:57:45,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:45,999 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 17:57:45,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:45,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1520089085, now seen corresponding path program 1 times [2024-11-20 17:57:45,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:46,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333262269] [2024-11-20 17:57:46,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:46,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:46,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:46,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 17:57:46,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:46,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 17:57:46,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:46,079 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 17:57:46,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:46,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333262269] [2024-11-20 17:57:46,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333262269] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:57:46,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2101578232] [2024-11-20 17:57:46,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:46,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:46,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:46,083 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 17:57:46,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-20 17:57:46,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:46,125 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 17:57:46,126 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:57:46,181 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 17:57:46,181 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:57:46,224 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 17:57:46,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2101578232] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:57:46,224 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:57:46,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-20 17:57:46,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559520389] [2024-11-20 17:57:46,225 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:57:46,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 17:57:46,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:46,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 17:57:46,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2024-11-20 17:57:46,227 INFO L87 Difference]: Start difference. First operand 204 states and 260 transitions. Second operand has 11 states, 10 states have (on average 3.4) internal successors, (34), 11 states have internal predecessors, (34), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 17:57:46,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:46,429 INFO L93 Difference]: Finished difference Result 240 states and 306 transitions. [2024-11-20 17:57:46,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 17:57:46,430 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.4) internal successors, (34), 11 states have internal predecessors, (34), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 21 [2024-11-20 17:57:46,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:46,431 INFO L225 Difference]: With dead ends: 240 [2024-11-20 17:57:46,431 INFO L226 Difference]: Without dead ends: 236 [2024-11-20 17:57:46,431 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=125, Unknown=0, NotChecked=0, Total=210 [2024-11-20 17:57:46,432 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 134 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:46,432 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 57 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 17:57:46,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-20 17:57:46,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 234. [2024-11-20 17:57:46,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 225 states have (on average 1.28) internal successors, (288), 230 states have internal predecessors, (288), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 17:57:46,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 292 transitions. [2024-11-20 17:57:46,443 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 292 transitions. Word has length 21 [2024-11-20 17:57:46,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:46,444 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 292 transitions. [2024-11-20 17:57:46,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.4) internal successors, (34), 11 states have internal predecessors, (34), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 17:57:46,444 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 292 transitions. [2024-11-20 17:57:46,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-20 17:57:46,445 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:46,445 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:46,451 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-20 17:57:46,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:46,646 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 17:57:46,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:46,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1875471891, now seen corresponding path program 2 times [2024-11-20 17:57:46,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:46,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893542662] [2024-11-20 17:57:46,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:46,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:46,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:46,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 17:57:46,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:46,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 17:57:46,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:46,685 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-20 17:57:46,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:46,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893542662] [2024-11-20 17:57:46,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893542662] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:57:46,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1672515251] [2024-11-20 17:57:46,686 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 17:57:46,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:46,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:46,688 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 17:57:46,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-20 17:57:46,723 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-20 17:57:46,724 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 17:57:46,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 17:57:46,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:57:46,767 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-20 17:57:46,767 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:57:46,806 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-20 17:57:46,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1672515251] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:57:46,808 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:57:46,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-20 17:57:46,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893976519] [2024-11-20 17:57:46,808 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:57:46,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:57:46,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:46,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:57:46,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:57:46,809 INFO L87 Difference]: Start difference. First operand 234 states and 292 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 17:57:46,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:46,841 INFO L93 Difference]: Finished difference Result 234 states and 292 transitions. [2024-11-20 17:57:46,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:57:46,842 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-11-20 17:57:46,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:46,843 INFO L225 Difference]: With dead ends: 234 [2024-11-20 17:57:46,843 INFO L226 Difference]: Without dead ends: 193 [2024-11-20 17:57:46,844 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 17:57:46,845 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 41 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:46,845 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 33 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:57:46,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-11-20 17:57:46,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 117. [2024-11-20 17:57:46,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 110 states have (on average 1.190909090909091) internal successors, (131), 113 states have internal predecessors, (131), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 17:57:46,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2024-11-20 17:57:46,859 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 32 [2024-11-20 17:57:46,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:46,859 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2024-11-20 17:57:46,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 17:57:46,860 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2024-11-20 17:57:46,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-20 17:57:46,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:46,860 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:46,870 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-20 17:57:47,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:47,062 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 17:57:47,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:47,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1579356394, now seen corresponding path program 1 times [2024-11-20 17:57:47,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:47,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432798860] [2024-11-20 17:57:47,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:47,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:47,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:47,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 17:57:47,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:47,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 17:57:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:47,098 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-20 17:57:47,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:47,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432798860] [2024-11-20 17:57:47,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432798860] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:57:47,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [284556465] [2024-11-20 17:57:47,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:47,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:47,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:47,100 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 17:57:47,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-20 17:57:47,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:47,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 17:57:47,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:57:47,152 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-20 17:57:47,153 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:57:47,175 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-20 17:57:47,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [284556465] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:57:47,175 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:57:47,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-20 17:57:47,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200445441] [2024-11-20 17:57:47,176 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:57:47,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 17:57:47,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:47,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 17:57:47,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-20 17:57:47,176 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 17:57:47,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:47,236 INFO L93 Difference]: Finished difference Result 167 states and 205 transitions. [2024-11-20 17:57:47,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 17:57:47,237 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-11-20 17:57:47,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:47,238 INFO L225 Difference]: With dead ends: 167 [2024-11-20 17:57:47,238 INFO L226 Difference]: Without dead ends: 165 [2024-11-20 17:57:47,238 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-20 17:57:47,239 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 42 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:47,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 59 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 17:57:47,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-11-20 17:57:47,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2024-11-20 17:57:47,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 158 states have (on average 1.2215189873417722) internal successors, (193), 161 states have internal predecessors, (193), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 17:57:47,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 197 transitions. [2024-11-20 17:57:47,245 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 197 transitions. Word has length 32 [2024-11-20 17:57:47,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:47,246 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 197 transitions. [2024-11-20 17:57:47,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 17:57:47,246 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 197 transitions. [2024-11-20 17:57:47,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-20 17:57:47,247 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:47,247 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:47,257 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-20 17:57:47,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:47,448 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 17:57:47,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:47,448 INFO L85 PathProgramCache]: Analyzing trace with hash 187658353, now seen corresponding path program 1 times [2024-11-20 17:57:47,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:47,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039521608] [2024-11-20 17:57:47,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:47,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:47,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 17:57:47,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:47,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 17:57:47,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:47,503 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-20 17:57:47,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:47,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039521608] [2024-11-20 17:57:47,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039521608] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:57:47,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1144710908] [2024-11-20 17:57:47,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:47,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:47,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:47,506 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 17:57:47,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-20 17:57:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:47,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 17:57:47,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:57:47,588 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-20 17:57:47,589 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:57:47,640 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-20 17:57:47,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1144710908] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:57:47,640 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:57:47,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-20 17:57:47,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306759266] [2024-11-20 17:57:47,640 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:57:47,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 17:57:47,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:47,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 17:57:47,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2024-11-20 17:57:47,642 INFO L87 Difference]: Start difference. First operand 165 states and 197 transitions. Second operand has 12 states, 11 states have (on average 5.818181818181818) internal successors, (64), 12 states have internal predecessors, (64), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 17:57:47,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:47,890 INFO L93 Difference]: Finished difference Result 413 states and 518 transitions. [2024-11-20 17:57:47,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-20 17:57:47,890 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.818181818181818) internal successors, (64), 12 states have internal predecessors, (64), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 34 [2024-11-20 17:57:47,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:47,892 INFO L225 Difference]: With dead ends: 413 [2024-11-20 17:57:47,892 INFO L226 Difference]: Without dead ends: 411 [2024-11-20 17:57:47,892 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=150, Invalid=230, Unknown=0, NotChecked=0, Total=380 [2024-11-20 17:57:47,893 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 285 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:47,893 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 58 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 17:57:47,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2024-11-20 17:57:47,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 231. [2024-11-20 17:57:47,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 224 states have (on average 1.2232142857142858) internal successors, (274), 227 states have internal predecessors, (274), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 17:57:47,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 278 transitions. [2024-11-20 17:57:47,904 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 278 transitions. Word has length 34 [2024-11-20 17:57:47,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:47,904 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 278 transitions. [2024-11-20 17:57:47,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.818181818181818) internal successors, (64), 12 states have internal predecessors, (64), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 17:57:47,904 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 278 transitions. [2024-11-20 17:57:47,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-20 17:57:47,905 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:47,905 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:47,915 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-20 17:57:48,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:48,110 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 17:57:48,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:48,110 INFO L85 PathProgramCache]: Analyzing trace with hash -760342324, now seen corresponding path program 2 times [2024-11-20 17:57:48,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:48,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253983027] [2024-11-20 17:57:48,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:48,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:48,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 17:57:48,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:48,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 17:57:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:48,208 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 23 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-20 17:57:48,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:48,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253983027] [2024-11-20 17:57:48,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253983027] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:57:48,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981032375] [2024-11-20 17:57:48,211 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 17:57:48,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:48,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:48,213 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 17:57:48,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-20 17:57:48,251 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 17:57:48,252 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 17:57:48,252 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-20 17:57:48,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:57:48,351 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-20 17:57:48,351 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:57:48,443 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-20 17:57:48,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981032375] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:57:48,444 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:57:48,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19 [2024-11-20 17:57:48,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172191559] [2024-11-20 17:57:48,444 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:57:48,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-20 17:57:48,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:48,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-20 17:57:48,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2024-11-20 17:57:48,445 INFO L87 Difference]: Start difference. First operand 231 states and 278 transitions. Second operand has 19 states, 19 states have (on average 3.4210526315789473) internal successors, (65), 19 states have internal predecessors, (65), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 17:57:48,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:48,935 INFO L93 Difference]: Finished difference Result 705 states and 841 transitions. [2024-11-20 17:57:48,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-20 17:57:48,936 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.4210526315789473) internal successors, (65), 19 states have internal predecessors, (65), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 35 [2024-11-20 17:57:48,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:48,937 INFO L225 Difference]: With dead ends: 705 [2024-11-20 17:57:48,938 INFO L226 Difference]: Without dead ends: 437 [2024-11-20 17:57:48,939 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=374, Invalid=1186, Unknown=0, NotChecked=0, Total=1560 [2024-11-20 17:57:48,939 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 426 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:48,939 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [426 Valid, 127 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 17:57:48,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2024-11-20 17:57:48,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 208. [2024-11-20 17:57:48,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 201 states have (on average 1.164179104477612) internal successors, (234), 204 states have internal predecessors, (234), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 17:57:48,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 238 transitions. [2024-11-20 17:57:48,949 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 238 transitions. Word has length 35 [2024-11-20 17:57:48,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:48,950 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 238 transitions. [2024-11-20 17:57:48,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.4210526315789473) internal successors, (65), 19 states have internal predecessors, (65), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 17:57:48,950 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 238 transitions. [2024-11-20 17:57:48,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-20 17:57:48,951 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:48,951 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:48,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-20 17:57:49,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-20 17:57:49,152 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 17:57:49,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:49,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1697719187, now seen corresponding path program 1 times [2024-11-20 17:57:49,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:49,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505251308] [2024-11-20 17:57:49,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:49,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:49,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:49,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 17:57:49,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:49,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 17:57:49,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:49,202 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-20 17:57:49,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:49,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505251308] [2024-11-20 17:57:49,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505251308] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:57:49,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231387152] [2024-11-20 17:57:49,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:49,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:49,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:49,207 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 17:57:49,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-20 17:57:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:49,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-20 17:57:49,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:57:49,300 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 17:57:49,300 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:57:49,369 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 17:57:49,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1231387152] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:57:49,370 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:57:49,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 6, 6] total 12 [2024-11-20 17:57:49,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366399776] [2024-11-20 17:57:49,370 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:57:49,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-20 17:57:49,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:49,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-20 17:57:49,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2024-11-20 17:57:49,371 INFO L87 Difference]: Start difference. First operand 208 states and 238 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 states have internal predecessors, (65), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 17:57:49,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:49,593 INFO L93 Difference]: Finished difference Result 394 states and 500 transitions. [2024-11-20 17:57:49,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-20 17:57:49,594 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 states have internal predecessors, (65), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 38 [2024-11-20 17:57:49,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:49,595 INFO L225 Difference]: With dead ends: 394 [2024-11-20 17:57:49,595 INFO L226 Difference]: Without dead ends: 263 [2024-11-20 17:57:49,595 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=198, Invalid=308, Unknown=0, NotChecked=0, Total=506 [2024-11-20 17:57:49,596 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 202 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:49,596 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 133 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 17:57:49,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2024-11-20 17:57:49,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 95. [2024-11-20 17:57:49,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 90 states have (on average 1.0777777777777777) internal successors, (97), 91 states have internal predecessors, (97), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 17:57:49,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 101 transitions. [2024-11-20 17:57:49,603 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 101 transitions. Word has length 38 [2024-11-20 17:57:49,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:49,604 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 101 transitions. [2024-11-20 17:57:49,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 states have internal predecessors, (65), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 17:57:49,604 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 101 transitions. [2024-11-20 17:57:49,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-20 17:57:49,604 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:49,604 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:49,616 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-20 17:57:49,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-20 17:57:49,805 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 17:57:49,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:49,805 INFO L85 PathProgramCache]: Analyzing trace with hash -737023604, now seen corresponding path program 3 times [2024-11-20 17:57:49,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:49,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361175202] [2024-11-20 17:57:49,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:49,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:49,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 17:57:49,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:49,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 17:57:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:49,886 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-20 17:57:49,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:49,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361175202] [2024-11-20 17:57:49,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361175202] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:57:49,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [89722815] [2024-11-20 17:57:49,887 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-20 17:57:49,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:49,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:49,889 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 17:57:49,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-20 17:57:49,925 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-20 17:57:49,925 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 17:57:49,925 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 17:57:49,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:57:50,026 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-20 17:57:50,026 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:57:50,085 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-20 17:57:50,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [89722815] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:57:50,086 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:57:50,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 12 [2024-11-20 17:57:50,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369102644] [2024-11-20 17:57:50,086 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:57:50,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-20 17:57:50,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:50,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-20 17:57:50,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-11-20 17:57:50,087 INFO L87 Difference]: Start difference. First operand 95 states and 101 transitions. Second operand has 13 states, 12 states have (on average 5.5) internal successors, (66), 13 states have internal predecessors, (66), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 17:57:50,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:50,429 INFO L93 Difference]: Finished difference Result 223 states and 243 transitions. [2024-11-20 17:57:50,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-20 17:57:50,430 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.5) internal successors, (66), 13 states have internal predecessors, (66), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 45 [2024-11-20 17:57:50,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:50,431 INFO L225 Difference]: With dead ends: 223 [2024-11-20 17:57:50,431 INFO L226 Difference]: Without dead ends: 221 [2024-11-20 17:57:50,431 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=286, Invalid=706, Unknown=0, NotChecked=0, Total=992 [2024-11-20 17:57:50,432 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 254 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:50,432 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 86 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 17:57:50,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-20 17:57:50,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 183. [2024-11-20 17:57:50,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 178 states have (on average 1.0730337078651686) internal successors, (191), 179 states have internal predecessors, (191), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 17:57:50,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 195 transitions. [2024-11-20 17:57:50,448 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 195 transitions. Word has length 45 [2024-11-20 17:57:50,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:50,449 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 195 transitions. [2024-11-20 17:57:50,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.5) internal successors, (66), 13 states have internal predecessors, (66), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 17:57:50,449 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 195 transitions. [2024-11-20 17:57:50,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-20 17:57:50,449 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:50,449 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:50,457 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-20 17:57:50,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-20 17:57:50,650 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 17:57:50,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:50,651 INFO L85 PathProgramCache]: Analyzing trace with hash -586891243, now seen corresponding path program 4 times [2024-11-20 17:57:50,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:50,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440832516] [2024-11-20 17:57:50,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:50,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:50,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:50,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 17:57:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:50,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 17:57:50,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:50,772 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 181 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-20 17:57:50,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:50,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440832516] [2024-11-20 17:57:50,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440832516] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:57:50,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1161829060] [2024-11-20 17:57:50,773 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-20 17:57:50,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:50,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:50,775 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 17:57:50,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-20 17:57:50,824 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-20 17:57:50,824 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 17:57:50,825 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-20 17:57:50,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:57:50,948 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 139 proven. 70 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-20 17:57:50,950 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:57:51,057 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 139 proven. 70 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-20 17:57:51,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1161829060] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:57:51,058 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:57:51,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 11, 11] total 21 [2024-11-20 17:57:51,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964595193] [2024-11-20 17:57:51,058 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:57:51,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-20 17:57:51,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:51,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-20 17:57:51,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2024-11-20 17:57:51,059 INFO L87 Difference]: Start difference. First operand 183 states and 195 transitions. Second operand has 21 states, 21 states have (on average 4.809523809523809) internal successors, (101), 21 states have internal predecessors, (101), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 17:57:51,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:51,706 INFO L93 Difference]: Finished difference Result 574 states and 623 transitions. [2024-11-20 17:57:51,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-20 17:57:51,707 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 4.809523809523809) internal successors, (101), 21 states have internal predecessors, (101), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 69 [2024-11-20 17:57:51,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:51,708 INFO L225 Difference]: With dead ends: 574 [2024-11-20 17:57:51,708 INFO L226 Difference]: Without dead ends: 449 [2024-11-20 17:57:51,709 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 123 SyntacticMatches, 5 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 724 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=571, Invalid=2081, Unknown=0, NotChecked=0, Total=2652 [2024-11-20 17:57:51,709 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 1015 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 578 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1015 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:51,710 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1015 Valid, 167 Invalid, 704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 578 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 17:57:51,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2024-11-20 17:57:51,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 371. [2024-11-20 17:57:51,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 366 states have (on average 1.0710382513661203) internal successors, (392), 367 states have internal predecessors, (392), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 17:57:51,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 396 transitions. [2024-11-20 17:57:51,727 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 396 transitions. Word has length 69 [2024-11-20 17:57:51,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:51,727 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 396 transitions. [2024-11-20 17:57:51,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.809523809523809) internal successors, (101), 21 states have internal predecessors, (101), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 17:57:51,727 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 396 transitions. [2024-11-20 17:57:51,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-20 17:57:51,728 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:51,728 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:51,734 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-20 17:57:51,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-20 17:57:51,929 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 17:57:51,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:51,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1291177324, now seen corresponding path program 5 times [2024-11-20 17:57:51,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:51,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462054475] [2024-11-20 17:57:51,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:51,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:51,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:52,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 17:57:52,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:52,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 17:57:52,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:52,044 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 305 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-20 17:57:52,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:52,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462054475] [2024-11-20 17:57:52,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462054475] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:57:52,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [801124361] [2024-11-20 17:57:52,045 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-20 17:57:52,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:52,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:52,048 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 17:57:52,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-20 17:57:52,373 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2024-11-20 17:57:52,373 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 17:57:52,375 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-20 17:57:52,376 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:57:52,484 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 305 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-20 17:57:52,484 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:57:52,587 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 305 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-20 17:57:52,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [801124361] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:57:52,587 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:57:52,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 19 [2024-11-20 17:57:52,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243169297] [2024-11-20 17:57:52,587 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:57:52,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-20 17:57:52,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:52,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-20 17:57:52,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=252, Unknown=0, NotChecked=0, Total=380 [2024-11-20 17:57:52,589 INFO L87 Difference]: Start difference. First operand 371 states and 396 transitions. Second operand has 20 states, 19 states have (on average 5.894736842105263) internal successors, (112), 20 states have internal predecessors, (112), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 17:57:53,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:53,309 INFO L93 Difference]: Finished difference Result 1063 states and 1186 transitions. [2024-11-20 17:57:53,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-11-20 17:57:53,310 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.894736842105263) internal successors, (112), 20 states have internal predecessors, (112), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 83 [2024-11-20 17:57:53,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:53,314 INFO L225 Difference]: With dead ends: 1063 [2024-11-20 17:57:53,314 INFO L226 Difference]: Without dead ends: 1061 [2024-11-20 17:57:53,315 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1113 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=1167, Invalid=2139, Unknown=0, NotChecked=0, Total=3306 [2024-11-20 17:57:53,316 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 999 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 999 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:53,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [999 Valid, 105 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 17:57:53,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1061 states. [2024-11-20 17:57:53,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1061 to 927. [2024-11-20 17:57:53,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 927 states, 922 states have (on average 1.0802603036876355) internal successors, (996), 923 states have internal predecessors, (996), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 17:57:53,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1000 transitions. [2024-11-20 17:57:53,370 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1000 transitions. Word has length 83 [2024-11-20 17:57:53,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:53,371 INFO L471 AbstractCegarLoop]: Abstraction has 927 states and 1000 transitions. [2024-11-20 17:57:53,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.894736842105263) internal successors, (112), 20 states have internal predecessors, (112), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 17:57:53,371 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1000 transitions. [2024-11-20 17:57:53,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-20 17:57:53,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:53,372 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:53,379 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-20 17:57:53,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-20 17:57:53,572 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 17:57:53,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:53,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1817300593, now seen corresponding path program 6 times [2024-11-20 17:57:53,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:53,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593948091] [2024-11-20 17:57:53,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:53,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:53,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 17:57:53,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:53,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 17:57:53,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:53,790 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 493 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-20 17:57:53,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:53,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593948091] [2024-11-20 17:57:53,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593948091] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:57:53,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2027382536] [2024-11-20 17:57:53,790 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-20 17:57:53,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:53,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:53,792 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 17:57:53,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-20 17:57:53,845 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-11-20 17:57:53,846 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 17:57:53,846 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-20 17:57:53,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:57:54,102 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 334 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2024-11-20 17:57:54,102 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:57:54,304 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 334 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2024-11-20 17:57:54,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2027382536] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:57:54,306 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:57:54,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 8] total 25 [2024-11-20 17:57:54,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144018882] [2024-11-20 17:57:54,306 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:57:54,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-20 17:57:54,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:54,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-20 17:57:54,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=548, Unknown=0, NotChecked=0, Total=650 [2024-11-20 17:57:54,308 INFO L87 Difference]: Start difference. First operand 927 states and 1000 transitions. Second operand has 26 states, 21 states have (on average 4.523809523809524) internal successors, (95), 24 states have internal predecessors, (95), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-20 17:57:55,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:55,045 INFO L93 Difference]: Finished difference Result 1247 states and 1352 transitions. [2024-11-20 17:57:55,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-20 17:57:55,046 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 21 states have (on average 4.523809523809524) internal successors, (95), 24 states have internal predecessors, (95), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 99 [2024-11-20 17:57:55,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:55,047 INFO L225 Difference]: With dead ends: 1247 [2024-11-20 17:57:55,047 INFO L226 Difference]: Without dead ends: 0 [2024-11-20 17:57:55,048 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 720 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=693, Invalid=2277, Unknown=0, NotChecked=0, Total=2970 [2024-11-20 17:57:55,049 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 1300 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1300 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:55,049 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1300 Valid, 97 Invalid, 477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 17:57:55,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-20 17:57:55,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-20 17:57:55,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:57:55,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-20 17:57:55,050 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2024-11-20 17:57:55,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:55,050 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-20 17:57:55,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 21 states have (on average 4.523809523809524) internal successors, (95), 24 states have internal predecessors, (95), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-20 17:57:55,050 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-20 17:57:55,050 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-20 17:57:55,052 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2024-11-20 17:57:55,053 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2024-11-20 17:57:55,053 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2024-11-20 17:57:55,053 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2024-11-20 17:57:55,053 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2024-11-20 17:57:55,053 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2024-11-20 17:57:55,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2024-11-20 17:57:55,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2024-11-20 17:57:55,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2024-11-20 17:57:55,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2024-11-20 17:57:55,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2024-11-20 17:57:55,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2024-11-20 17:57:55,063 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-20 17:57:55,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-20 17:57:55,258 INFO L407 BasicCegarLoop]: Path program histogram: [6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:55,260 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-20 17:58:05,225 WARN L286 SmtUtils]: Spent 9.63s on a formula simplification. DAG size of input: 333 DAG size of output: 261 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-20 17:58:15,311 WARN L286 SmtUtils]: Spent 10.08s on a formula simplification. DAG size of input: 345 DAG size of output: 273 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-20 17:58:17,016 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 17:58:17,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:58:17 BoogieIcfgContainer [2024-11-20 17:58:17,051 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 17:58:17,051 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 17:58:17,051 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 17:58:17,051 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 17:58:17,052 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:57:43" (3/4) ... [2024-11-20 17:58:17,054 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-20 17:58:17,057 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-20 17:58:17,061 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-20 17:58:17,062 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-20 17:58:17,062 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-20 17:58:17,062 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-20 17:58:17,151 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 17:58:17,153 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-20 17:58:17,153 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 17:58:17,154 INFO L158 Benchmark]: Toolchain (without parser) took 34185.39ms. Allocated memory was 155.2MB in the beginning and 989.9MB in the end (delta: 834.7MB). Free memory was 107.1MB in the beginning and 500.8MB in the end (delta: -393.7MB). Peak memory consumption was 443.7MB. Max. memory is 16.1GB. [2024-11-20 17:58:17,154 INFO L158 Benchmark]: CDTParser took 0.83ms. Allocated memory is still 155.2MB. Free memory was 119.2MB in the beginning and 119.0MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 17:58:17,155 INFO L158 Benchmark]: CACSL2BoogieTranslator took 210.68ms. Allocated memory is still 155.2MB. Free memory was 106.7MB in the beginning and 94.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-20 17:58:17,155 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.83ms. Allocated memory is still 155.2MB. Free memory was 94.1MB in the beginning and 92.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 17:58:17,155 INFO L158 Benchmark]: Boogie Preprocessor took 32.84ms. Allocated memory is still 155.2MB. Free memory was 92.4MB in the beginning and 90.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 17:58:17,155 INFO L158 Benchmark]: RCFGBuilder took 317.24ms. Allocated memory is still 155.2MB. Free memory was 90.4MB in the beginning and 76.8MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-20 17:58:17,156 INFO L158 Benchmark]: TraceAbstraction took 33491.00ms. Allocated memory was 155.2MB in the beginning and 989.9MB in the end (delta: 834.7MB). Free memory was 76.2MB in the beginning and 506.1MB in the end (delta: -429.8MB). Peak memory consumption was 548.8MB. Max. memory is 16.1GB. [2024-11-20 17:58:17,156 INFO L158 Benchmark]: Witness Printer took 101.94ms. Allocated memory is still 989.9MB. Free memory was 506.1MB in the beginning and 500.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-20 17:58:17,158 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83ms. Allocated memory is still 155.2MB. Free memory was 119.2MB in the beginning and 119.0MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 210.68ms. Allocated memory is still 155.2MB. Free memory was 106.7MB in the beginning and 94.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.83ms. Allocated memory is still 155.2MB. Free memory was 94.1MB in the beginning and 92.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.84ms. Allocated memory is still 155.2MB. Free memory was 92.4MB in the beginning and 90.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 317.24ms. Allocated memory is still 155.2MB. Free memory was 90.4MB in the beginning and 76.8MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 33491.00ms. Allocated memory was 155.2MB in the beginning and 989.9MB in the end (delta: 834.7MB). Free memory was 76.2MB in the beginning and 506.1MB in the end (delta: -429.8MB). Peak memory consumption was 548.8MB. Max. memory is 16.1GB. * Witness Printer took 101.94ms. Allocated memory is still 989.9MB. Free memory was 506.1MB in the beginning and 500.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 11.6s, OverallIterations: 17, TraceHistogramMax: 16, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4946 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4946 mSDsluCounter, 1336 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 970 mSDsCounter, 610 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3054 IncrementalHoareTripleChecker+Invalid, 3664 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 610 mSolverCounterUnsat, 366 mSDtfsCounter, 3054 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1343 GetRequests, 1030 SyntacticMatches, 6 SemanticMatches, 307 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3371 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=927occurred in iteration=16, InterpolantAutomatonStates: 259, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 17 MinimizatonAttempts, 935 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 1158 NumberOfCodeBlocks, 1048 NumberOfCodeBlocksAsserted, 45 NumberOfCheckSat, 1625 ConstructedInterpolants, 0 QuantifiedInterpolants, 5533 SizeOfPredicates, 20 NumberOfNonLiveVariables, 1398 ConjunctsInSsa, 76 ConjunctsInUnsatCore, 41 InterpolantComputations, 6 PerfectInterpolantSequences, 1648/4496 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: (((((((((((m <= 1000) && (s <= 1499)) && (1 <= i)) && (1 <= j)) && (q <= 999)) && (((long long) i + j) <= 2147483647)) && (n <= 1500)) && (i <= 998)) || ((((((((i == 0) && (1 <= j)) && (j <= 2147483647)) && (q <= 2147483647)) && (((long long) q + s) <= 2147483649)) && (((long long) j + q) <= 2147483649)) || (((((((1 <= i) && (1 <= j)) && (i <= 2147483646)) && (q <= 2147483647)) && (((long long) i + s) <= 2147483648)) && (((long long) q + s) <= 2147483649)) && (((long long) j + q) <= 2147483649))) && (s <= 2147483647))) || (((((((m <= 1000) && (s <= 1499)) && (i == 0)) && (1 <= j)) && (q <= 999)) && (n <= 1500)) && (j <= 2147483647))) || ((((((i == 0) && (j == 0)) && (q <= 2147483647)) && (((long long) q + s) <= 2147483649)) || ((((((1 <= i) && (i <= 2147483646)) && (j == 0)) && (q <= 2147483647)) && (((long long) i + s) <= 2147483648)) && (((long long) q + s) <= 2147483649))) && (s <= 2147483647))) - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((((1 <= i) && (s <= 0)) && (q <= 2147483647)) || (((((1 <= i) && (i <= 2147483647)) && (s <= 2147483647)) && (q <= 2147483647)) && (((long long) q + s) <= 2147483649))) || (((((m <= 1000) && (s <= 1499)) && (i == 0)) && (q <= 999)) && (n <= 1500))) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: ((((1 <= i) && (s <= 0)) && (q <= 2147483647)) || (((((i == 0) && (q <= 2147483647)) && (((long long) q + s) <= 2147483649)) || ((((1 <= i) && (i <= 2147483647)) && (q <= 2147483647)) && (((long long) q + s) <= 2147483649))) && (s <= 2147483647))) - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: ((((((((((((m <= 1000) && (s <= 1499)) && (1 <= i)) && (1 <= j)) && (q <= 999)) && (((long long) i + j) <= 2147483647)) && (n <= 1500)) && (i <= 998)) || (((((((m <= 1000) && (s <= 1499)) && (i == 0)) && (1 <= j)) && (q <= 999)) && (n <= 1500)) && (j <= 2147483647))) || ((((((m <= 1000) && (s <= 1499)) && (i == 0)) && (q <= 999)) && (n <= 1500)) && (j == 0))) || (((((((1 <= i) && (1 <= j)) && (i <= 2147483646)) && (q <= 2147483647)) && (((long long) i + s) <= 2147483648)) && (((long long) q + s) <= 2147483649)) && (((long long) j + q) <= 2147483649))) || ((((((1 <= i) && (i <= 2147483646)) && (j == 0)) && (q <= 2147483647)) && (((long long) i + s) <= 2147483648)) && (((long long) q + s) <= 2147483649))) - ProcedureContractResult [Line: 5]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (cond != 0) RESULT: Ultimate proved your program to be correct! [2024-11-20 17:58:17,186 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