./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-crafted/xor5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-crafted/xor5.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a4ee2cdc1f0cbbd62309a70b71e98ce771ffa71f4ebd85e731799a93fbbc3919 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 12:53:03,183 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 12:53:03,253 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 12:53:03,257 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 12:53:03,260 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 12:53:03,277 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 12:53:03,277 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 12:53:03,277 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 12:53:03,278 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 12:53:03,278 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 12:53:03,278 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 12:53:03,279 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 12:53:03,279 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 12:53:03,279 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 12:53:03,280 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 12:53:03,280 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 12:53:03,280 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 12:53:03,280 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 12:53:03,283 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 12:53:03,283 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 12:53:03,283 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 12:53:03,283 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 12:53:03,284 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 12:53:03,284 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 12:53:03,284 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 12:53:03,284 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 12:53:03,284 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 12:53:03,285 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 12:53:03,285 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 12:53:03,285 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 12:53:03,286 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 12:53:03,286 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 12:53:03,286 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 12:53:03,286 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 12:53:03,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 12:53:03,287 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 12:53:03,287 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 12:53:03,287 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 12:53:03,287 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 12:53:03,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 12:53:03,288 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 12:53:03,288 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 12:53:03,288 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 12:53:03,288 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 12:53:03,288 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4ee2cdc1f0cbbd62309a70b71e98ce771ffa71f4ebd85e731799a93fbbc3919 [2024-10-13 12:53:03,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 12:53:03,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 12:53:03,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 12:53:03,517 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 12:53:03,518 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 12:53:03,519 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-crafted/xor5.i [2024-10-13 12:53:04,800 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 12:53:04,954 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 12:53:04,954 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-crafted/xor5.i [2024-10-13 12:53:04,961 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0a8fb388/e5260140f8994e3e98f85b8d41114bf1/FLAG2aaf0fc76 [2024-10-13 12:53:05,367 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0a8fb388/e5260140f8994e3e98f85b8d41114bf1 [2024-10-13 12:53:05,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 12:53:05,371 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 12:53:05,372 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 12:53:05,372 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 12:53:05,377 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 12:53:05,377 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:53:05" (1/1) ... [2024-10-13 12:53:05,378 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d51622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:05, skipping insertion in model container [2024-10-13 12:53:05,378 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:53:05" (1/1) ... [2024-10-13 12:53:05,398 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 12:53:05,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 12:53:05,573 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 12:53:05,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 12:53:05,604 INFO L204 MainTranslator]: Completed translation [2024-10-13 12:53:05,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:05 WrapperNode [2024-10-13 12:53:05,604 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 12:53:05,605 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 12:53:05,605 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 12:53:05,606 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 12:53:05,611 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:05" (1/1) ... [2024-10-13 12:53:05,617 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:05" (1/1) ... [2024-10-13 12:53:05,635 INFO L138 Inliner]: procedures = 16, calls = 30, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 93 [2024-10-13 12:53:05,635 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 12:53:05,636 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 12:53:05,636 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 12:53:05,636 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 12:53:05,645 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:05" (1/1) ... [2024-10-13 12:53:05,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:05" (1/1) ... [2024-10-13 12:53:05,647 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:05" (1/1) ... [2024-10-13 12:53:05,668 INFO L175 MemorySlicer]: Split 20 memory accesses to 3 slices as follows [2, 7, 11]. 55 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7, 0]. The 5 writes are split as follows [0, 0, 5]. [2024-10-13 12:53:05,669 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:05" (1/1) ... [2024-10-13 12:53:05,669 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:05" (1/1) ... [2024-10-13 12:53:05,675 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:05" (1/1) ... [2024-10-13 12:53:05,682 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:05" (1/1) ... [2024-10-13 12:53:05,683 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:05" (1/1) ... [2024-10-13 12:53:05,684 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:05" (1/1) ... [2024-10-13 12:53:05,685 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 12:53:05,686 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 12:53:05,686 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 12:53:05,686 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 12:53:05,687 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:05" (1/1) ... [2024-10-13 12:53:05,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 12:53:05,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:53:05,723 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 12:53:05,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 12:53:05,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 12:53:05,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 12:53:05,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 12:53:05,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-13 12:53:05,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-13 12:53:05,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 12:53:05,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 12:53:05,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-13 12:53:05,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 12:53:05,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 12:53:05,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 12:53:05,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 12:53:05,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-13 12:53:05,769 INFO L130 BoogieDeclarations]: Found specification of procedure xor [2024-10-13 12:53:05,769 INFO L138 BoogieDeclarations]: Found implementation of procedure xor [2024-10-13 12:53:05,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 12:53:05,852 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 12:53:05,854 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 12:53:06,011 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-10-13 12:53:06,011 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 12:53:06,035 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 12:53:06,035 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-13 12:53:06,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:53:06 BoogieIcfgContainer [2024-10-13 12:53:06,036 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 12:53:06,038 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 12:53:06,038 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 12:53:06,041 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 12:53:06,041 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:53:05" (1/3) ... [2024-10-13 12:53:06,042 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6824faf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:53:06, skipping insertion in model container [2024-10-13 12:53:06,042 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:05" (2/3) ... [2024-10-13 12:53:06,042 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6824faf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:53:06, skipping insertion in model container [2024-10-13 12:53:06,042 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:53:06" (3/3) ... [2024-10-13 12:53:06,043 INFO L112 eAbstractionObserver]: Analyzing ICFG xor5.i [2024-10-13 12:53:06,059 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 12:53:06,060 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-10-13 12:53:06,144 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 12:53:06,153 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;@7a035868, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 12:53:06,154 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-10-13 12:53:06,158 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 34 states have (on average 1.7058823529411764) internal successors, (58), 46 states have internal predecessors, (58), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-13 12:53:06,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-13 12:53:06,162 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:06,163 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-13 12:53:06,163 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-13 12:53:06,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:06,168 INFO L85 PathProgramCache]: Analyzing trace with hash 4715705, now seen corresponding path program 1 times [2024-10-13 12:53:06,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:06,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732133210] [2024-10-13 12:53:06,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:06,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:06,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:06,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:53:06,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:06,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732133210] [2024-10-13 12:53:06,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732133210] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:53:06,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:53:06,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 12:53:06,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037226400] [2024-10-13 12:53:06,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:53:06,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 12:53:06,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:06,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 12:53:06,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:53:06,450 INFO L87 Difference]: Start difference. First operand has 51 states, 34 states have (on average 1.7058823529411764) internal successors, (58), 46 states have internal predecessors, (58), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:53:06,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:06,511 INFO L93 Difference]: Finished difference Result 99 states and 127 transitions. [2024-10-13 12:53:06,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:53:06,514 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-10-13 12:53:06,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:06,519 INFO L225 Difference]: With dead ends: 99 [2024-10-13 12:53:06,519 INFO L226 Difference]: Without dead ends: 47 [2024-10-13 12:53:06,522 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:53:06,524 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 1 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:06,525 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 143 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:53:06,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-10-13 12:53:06,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-10-13 12:53:06,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 31 states have (on average 1.6129032258064515) internal successors, (50), 43 states have internal predecessors, (50), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 12:53:06,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 55 transitions. [2024-10-13 12:53:06,554 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 55 transitions. Word has length 4 [2024-10-13 12:53:06,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:06,555 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 55 transitions. [2024-10-13 12:53:06,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:53:06,555 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2024-10-13 12:53:06,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-13 12:53:06,556 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:06,556 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2024-10-13 12:53:06,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 12:53:06,557 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-13 12:53:06,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:06,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1248301141, now seen corresponding path program 1 times [2024-10-13 12:53:06,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:06,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319836335] [2024-10-13 12:53:06,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:06,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:06,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:53:06,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:06,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319836335] [2024-10-13 12:53:06,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319836335] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:53:06,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [418377485] [2024-10-13 12:53:06,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:06,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:06,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:53:06,684 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:53:06,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 12:53:06,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:06,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 12:53:06,738 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:53:06,796 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:53:06,797 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 12:53:06,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [418377485] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:53:06,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 12:53:06,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-10-13 12:53:06,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905644950] [2024-10-13 12:53:06,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:53:06,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 12:53:06,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:06,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 12:53:06,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-13 12:53:06,802 INFO L87 Difference]: Start difference. First operand 47 states and 55 transitions. Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:53:06,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:06,864 INFO L93 Difference]: Finished difference Result 47 states and 55 transitions. [2024-10-13 12:53:06,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 12:53:06,865 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-13 12:53:06,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:06,866 INFO L225 Difference]: With dead ends: 47 [2024-10-13 12:53:06,866 INFO L226 Difference]: Without dead ends: 46 [2024-10-13 12:53:06,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-13 12:53:06,869 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 1 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:06,869 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 160 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:53:06,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-10-13 12:53:06,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-10-13 12:53:06,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 31 states have (on average 1.5806451612903225) internal successors, (49), 42 states have internal predecessors, (49), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 12:53:06,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 54 transitions. [2024-10-13 12:53:06,877 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 54 transitions. Word has length 7 [2024-10-13 12:53:06,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:06,877 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 54 transitions. [2024-10-13 12:53:06,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:53:06,877 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2024-10-13 12:53:06,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-13 12:53:06,881 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:06,881 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2024-10-13 12:53:06,893 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 12:53:07,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:07,082 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-13 12:53:07,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:07,082 INFO L85 PathProgramCache]: Analyzing trace with hash -42629658, now seen corresponding path program 1 times [2024-10-13 12:53:07,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:07,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339388090] [2024-10-13 12:53:07,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:07,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:07,170 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:53:07,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:07,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339388090] [2024-10-13 12:53:07,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339388090] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:53:07,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1801879659] [2024-10-13 12:53:07,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:07,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:07,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:53:07,172 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:53:07,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 12:53:07,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:07,231 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 12:53:07,232 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:53:07,270 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:53:07,270 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:53:07,323 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:53:07,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1801879659] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:53:07,325 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:53:07,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-13 12:53:07,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641950410] [2024-10-13 12:53:07,325 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:53:07,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 12:53:07,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:07,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 12:53:07,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-13 12:53:07,326 INFO L87 Difference]: Start difference. First operand 46 states and 54 transitions. Second operand has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:53:07,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:07,383 INFO L93 Difference]: Finished difference Result 56 states and 69 transitions. [2024-10-13 12:53:07,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 12:53:07,385 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-10-13 12:53:07,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:07,386 INFO L225 Difference]: With dead ends: 56 [2024-10-13 12:53:07,386 INFO L226 Difference]: Without dead ends: 55 [2024-10-13 12:53:07,388 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-13 12:53:07,388 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 0 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:07,389 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 163 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:53:07,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-10-13 12:53:07,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2024-10-13 12:53:07,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 40 states have (on average 1.525) internal successors, (61), 51 states have internal predecessors, (61), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 12:53:07,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 66 transitions. [2024-10-13 12:53:07,399 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 66 transitions. Word has length 8 [2024-10-13 12:53:07,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:07,400 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 66 transitions. [2024-10-13 12:53:07,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:53:07,400 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 66 transitions. [2024-10-13 12:53:07,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-13 12:53:07,400 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:07,400 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:07,414 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-13 12:53:07,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-10-13 12:53:07,601 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting xorErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-13 12:53:07,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:07,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1313456901, now seen corresponding path program 1 times [2024-10-13 12:53:07,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:07,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755496735] [2024-10-13 12:53:07,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:07,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:07,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:53:07,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:07,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755496735] [2024-10-13 12:53:07,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755496735] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:53:07,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:53:07,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 12:53:07,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803586835] [2024-10-13 12:53:07,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:53:07,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 12:53:07,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:07,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 12:53:07,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 12:53:07,633 INFO L87 Difference]: Start difference. First operand 55 states and 66 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:53:07,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:07,665 INFO L93 Difference]: Finished difference Result 92 states and 109 transitions. [2024-10-13 12:53:07,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 12:53:07,666 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-10-13 12:53:07,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:07,667 INFO L225 Difference]: With dead ends: 92 [2024-10-13 12:53:07,667 INFO L226 Difference]: Without dead ends: 55 [2024-10-13 12:53:07,667 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 12:53:07,668 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 0 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:07,668 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:53:07,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-10-13 12:53:07,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2024-10-13 12:53:07,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 40 states have (on average 1.5) internal successors, (60), 51 states have internal predecessors, (60), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 12:53:07,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 65 transitions. [2024-10-13 12:53:07,673 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 65 transitions. Word has length 10 [2024-10-13 12:53:07,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:07,673 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 65 transitions. [2024-10-13 12:53:07,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:53:07,674 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 65 transitions. [2024-10-13 12:53:07,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-13 12:53:07,674 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:07,674 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:07,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 12:53:07,675 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting xorErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-13 12:53:07,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:07,675 INFO L85 PathProgramCache]: Analyzing trace with hash -454608275, now seen corresponding path program 1 times [2024-10-13 12:53:07,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:07,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907859824] [2024-10-13 12:53:07,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:07,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:07,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:07,734 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 12:53:07,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:07,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907859824] [2024-10-13 12:53:07,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907859824] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:53:07,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:53:07,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 12:53:07,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711019103] [2024-10-13 12:53:07,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:53:07,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 12:53:07,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:07,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 12:53:07,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:53:07,736 INFO L87 Difference]: Start difference. First operand 55 states and 65 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, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:53:07,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:07,783 INFO L93 Difference]: Finished difference Result 65 states and 79 transitions. [2024-10-13 12:53:07,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:53:07,785 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, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-10-13 12:53:07,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:07,785 INFO L225 Difference]: With dead ends: 65 [2024-10-13 12:53:07,785 INFO L226 Difference]: Without dead ends: 63 [2024-10-13 12:53:07,786 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:53:07,787 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 7 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:07,788 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 120 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:53:07,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-10-13 12:53:07,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-10-13 12:53:07,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 48 states have (on average 1.5) internal successors, (72), 59 states have internal predecessors, (72), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 12:53:07,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 77 transitions. [2024-10-13 12:53:07,794 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 77 transitions. Word has length 13 [2024-10-13 12:53:07,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:07,794 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 77 transitions. [2024-10-13 12:53:07,794 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, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:53:07,794 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2024-10-13 12:53:07,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-13 12:53:07,795 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:07,795 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:07,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 12:53:07,795 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting xorErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-13 12:53:07,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:07,796 INFO L85 PathProgramCache]: Analyzing trace with hash -828090127, now seen corresponding path program 1 times [2024-10-13 12:53:07,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:07,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651055614] [2024-10-13 12:53:07,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:07,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:07,885 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 12:53:07,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:07,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651055614] [2024-10-13 12:53:07,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651055614] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:53:07,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572631143] [2024-10-13 12:53:07,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:07,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:07,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:53:07,888 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:53:07,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 12:53:07,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:07,949 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 12:53:07,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:53:07,989 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 12:53:07,989 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:53:08,042 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 12:53:08,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572631143] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:53:08,042 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:53:08,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-10-13 12:53:08,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072453211] [2024-10-13 12:53:08,042 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:53:08,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 12:53:08,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:08,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 12:53:08,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-13 12:53:08,043 INFO L87 Difference]: Start difference. First operand 63 states and 77 transitions. Second operand has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:53:08,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:08,120 INFO L93 Difference]: Finished difference Result 108 states and 132 transitions. [2024-10-13 12:53:08,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 12:53:08,120 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-10-13 12:53:08,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:08,121 INFO L225 Difference]: With dead ends: 108 [2024-10-13 12:53:08,123 INFO L226 Difference]: Without dead ends: 63 [2024-10-13 12:53:08,124 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-13 12:53:08,124 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:08,125 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 183 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:53:08,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-10-13 12:53:08,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-10-13 12:53:08,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 48 states have (on average 1.4791666666666667) internal successors, (71), 59 states have internal predecessors, (71), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 12:53:08,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 76 transitions. [2024-10-13 12:53:08,133 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 76 transitions. Word has length 18 [2024-10-13 12:53:08,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:08,133 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 76 transitions. [2024-10-13 12:53:08,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:53:08,134 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 76 transitions. [2024-10-13 12:53:08,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-13 12:53:08,134 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:08,134 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1] [2024-10-13 12:53:08,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-13 12:53:08,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:08,335 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-13 12:53:08,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:08,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1863656168, now seen corresponding path program 2 times [2024-10-13 12:53:08,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:08,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890092061] [2024-10-13 12:53:08,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:08,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:08,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:08,493 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:53:08,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:08,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890092061] [2024-10-13 12:53:08,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890092061] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:53:08,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976198492] [2024-10-13 12:53:08,494 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 12:53:08,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:08,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:53:08,496 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:53:08,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-13 12:53:08,552 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-13 12:53:08,552 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 12:53:08,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 12:53:08,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:53:08,608 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-13 12:53:08,608 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:53:08,640 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-13 12:53:08,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976198492] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:53:08,640 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:53:08,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 2, 2] total 13 [2024-10-13 12:53:08,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777513864] [2024-10-13 12:53:08,641 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:53:08,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-13 12:53:08,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:08,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-13 12:53:08,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-10-13 12:53:08,642 INFO L87 Difference]: Start difference. First operand 63 states and 76 transitions. Second operand has 14 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:53:08,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:08,822 INFO L93 Difference]: Finished difference Result 66 states and 81 transitions. [2024-10-13 12:53:08,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-13 12:53:08,823 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-10-13 12:53:08,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:08,823 INFO L225 Difference]: With dead ends: 66 [2024-10-13 12:53:08,823 INFO L226 Difference]: Without dead ends: 63 [2024-10-13 12:53:08,824 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=144, Invalid=456, Unknown=0, NotChecked=0, Total=600 [2024-10-13 12:53:08,825 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 45 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:08,826 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 111 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:53:08,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-10-13 12:53:08,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 52. [2024-10-13 12:53:08,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 40 states have (on average 1.45) internal successors, (58), 48 states have internal predecessors, (58), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 12:53:08,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 63 transitions. [2024-10-13 12:53:08,831 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 63 transitions. Word has length 17 [2024-10-13 12:53:08,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:08,831 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 63 transitions. [2024-10-13 12:53:08,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:53:08,831 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2024-10-13 12:53:08,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-13 12:53:08,832 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:08,832 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:08,853 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-13 12:53:09,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:09,033 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting xorErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-13 12:53:09,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:09,033 INFO L85 PathProgramCache]: Analyzing trace with hash 2046936163, now seen corresponding path program 2 times [2024-10-13 12:53:09,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:09,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997814133] [2024-10-13 12:53:09,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:09,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:09,099 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-13 12:53:09,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:09,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997814133] [2024-10-13 12:53:09,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997814133] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:53:09,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639860064] [2024-10-13 12:53:09,099 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 12:53:09,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:09,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:53:09,112 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:53:09,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-13 12:53:09,167 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 12:53:09,168 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 12:53:09,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 12:53:09,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:53:09,199 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-13 12:53:09,199 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 12:53:09,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639860064] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:53:09,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 12:53:09,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-10-13 12:53:09,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296532089] [2024-10-13 12:53:09,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:53:09,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 12:53:09,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:09,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 12:53:09,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-13 12:53:09,201 INFO L87 Difference]: Start difference. First operand 52 states and 63 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:53:09,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:09,230 INFO L93 Difference]: Finished difference Result 52 states and 63 transitions. [2024-10-13 12:53:09,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:53:09,231 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2024-10-13 12:53:09,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:09,231 INFO L225 Difference]: With dead ends: 52 [2024-10-13 12:53:09,232 INFO L226 Difference]: Without dead ends: 51 [2024-10-13 12:53:09,232 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-13 12:53:09,232 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 7 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:09,233 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 136 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:53:09,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-10-13 12:53:09,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-10-13 12:53:09,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 40 states have (on average 1.425) internal successors, (57), 47 states have internal predecessors, (57), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 12:53:09,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 62 transitions. [2024-10-13 12:53:09,240 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 62 transitions. Word has length 21 [2024-10-13 12:53:09,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:09,240 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 62 transitions. [2024-10-13 12:53:09,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:53:09,240 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 62 transitions. [2024-10-13 12:53:09,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-13 12:53:09,241 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:09,241 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:09,253 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-13 12:53:09,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:09,443 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-13 12:53:09,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:09,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1852711010, now seen corresponding path program 1 times [2024-10-13 12:53:09,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:09,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870933270] [2024-10-13 12:53:09,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:09,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:09,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:09,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-13 12:53:09,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:09,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-13 12:53:09,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:09,521 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-13 12:53:09,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:09,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870933270] [2024-10-13 12:53:09,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870933270] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:53:09,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908787305] [2024-10-13 12:53:09,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:09,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:09,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:53:09,524 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:53:09,525 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-13 12:53:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:09,576 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 12:53:09,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:53:09,604 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-13 12:53:09,605 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 12:53:09,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1908787305] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:53:09,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 12:53:09,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2024-10-13 12:53:09,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143458943] [2024-10-13 12:53:09,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:53:09,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 12:53:09,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:09,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 12:53:09,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 12:53:09,606 INFO L87 Difference]: Start difference. First operand 51 states and 62 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 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) [2024-10-13 12:53:09,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:09,641 INFO L93 Difference]: Finished difference Result 51 states and 62 transitions. [2024-10-13 12:53:09,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 12:53:09,642 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 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 23 [2024-10-13 12:53:09,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:09,642 INFO L225 Difference]: With dead ends: 51 [2024-10-13 12:53:09,642 INFO L226 Difference]: Without dead ends: 49 [2024-10-13 12:53:09,643 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 12:53:09,643 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 28 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:09,643 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 30 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:53:09,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-10-13 12:53:09,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-10-13 12:53:09,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 40 states have (on average 1.375) internal successors, (55), 45 states have internal predecessors, (55), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 12:53:09,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 60 transitions. [2024-10-13 12:53:09,647 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 60 transitions. Word has length 23 [2024-10-13 12:53:09,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:09,650 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 60 transitions. [2024-10-13 12:53:09,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 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) [2024-10-13 12:53:09,651 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2024-10-13 12:53:09,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-13 12:53:09,651 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:09,651 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:09,668 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-13 12:53:09,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:09,854 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting xorErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-13 12:53:09,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:09,854 INFO L85 PathProgramCache]: Analyzing trace with hash -969488244, now seen corresponding path program 1 times [2024-10-13 12:53:09,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:09,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592048129] [2024-10-13 12:53:09,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:09,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:09,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:09,904 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-13 12:53:09,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:09,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592048129] [2024-10-13 12:53:09,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592048129] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:53:09,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2070197089] [2024-10-13 12:53:09,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:09,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:09,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:53:09,906 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:53:09,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-13 12:53:09,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:09,954 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-13 12:53:09,955 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:53:10,052 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:53:10,053 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:53:10,143 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:53:10,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2070197089] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:53:10,143 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:53:10,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 11, 11] total 18 [2024-10-13 12:53:10,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725210940] [2024-10-13 12:53:10,144 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:53:10,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-13 12:53:10,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:10,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-13 12:53:10,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2024-10-13 12:53:10,145 INFO L87 Difference]: Start difference. First operand 49 states and 60 transitions. Second operand has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:53:10,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:10,317 INFO L93 Difference]: Finished difference Result 130 states and 167 transitions. [2024-10-13 12:53:10,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-13 12:53:10,318 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2024-10-13 12:53:10,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:10,320 INFO L225 Difference]: With dead ends: 130 [2024-10-13 12:53:10,320 INFO L226 Difference]: Without dead ends: 88 [2024-10-13 12:53:10,320 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 25 SyntacticMatches, 6 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2024-10-13 12:53:10,321 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 62 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:10,321 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 302 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:53:10,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-10-13 12:53:10,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 84. [2024-10-13 12:53:10,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 72 states have (on average 1.3888888888888888) internal successors, (100), 77 states have internal predecessors, (100), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-10-13 12:53:10,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 111 transitions. [2024-10-13 12:53:10,327 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 111 transitions. Word has length 22 [2024-10-13 12:53:10,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:10,327 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 111 transitions. [2024-10-13 12:53:10,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:53:10,327 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 111 transitions. [2024-10-13 12:53:10,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-13 12:53:10,328 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:10,328 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:10,341 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-13 12:53:10,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:10,533 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-13 12:53:10,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:10,533 INFO L85 PathProgramCache]: Analyzing trace with hash -510958272, now seen corresponding path program 1 times [2024-10-13 12:53:10,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:10,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321817839] [2024-10-13 12:53:10,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:10,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:10,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-13 12:53:10,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:10,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-13 12:53:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:10,590 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-13 12:53:10,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:10,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321817839] [2024-10-13 12:53:10,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321817839] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:53:10,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [412864030] [2024-10-13 12:53:10,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:10,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:10,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:53:10,592 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:53:10,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-13 12:53:10,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:10,646 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 12:53:10,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:53:10,659 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-13 12:53:10,660 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 12:53:10,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [412864030] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:53:10,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 12:53:10,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-10-13 12:53:10,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50606700] [2024-10-13 12:53:10,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:53:10,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 12:53:10,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:10,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 12:53:10,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-13 12:53:10,661 INFO L87 Difference]: Start difference. First operand 84 states and 111 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2024-10-13 12:53:10,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:10,689 INFO L93 Difference]: Finished difference Result 95 states and 126 transitions. [2024-10-13 12:53:10,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 12:53:10,690 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 26 [2024-10-13 12:53:10,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:10,691 INFO L225 Difference]: With dead ends: 95 [2024-10-13 12:53:10,691 INFO L226 Difference]: Without dead ends: 94 [2024-10-13 12:53:10,691 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-13 12:53:10,692 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 1 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:10,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 66 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:53:10,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-10-13 12:53:10,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 92. [2024-10-13 12:53:10,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 80 states have (on average 1.3625) internal successors, (109), 85 states have internal predecessors, (109), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-10-13 12:53:10,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 120 transitions. [2024-10-13 12:53:10,698 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 120 transitions. Word has length 26 [2024-10-13 12:53:10,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:10,698 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 120 transitions. [2024-10-13 12:53:10,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2024-10-13 12:53:10,698 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 120 transitions. [2024-10-13 12:53:10,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-13 12:53:10,699 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:10,699 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:10,711 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-13 12:53:10,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-13 12:53:10,901 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-13 12:53:10,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:10,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1340162825, now seen corresponding path program 1 times [2024-10-13 12:53:10,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:10,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508361500] [2024-10-13 12:53:10,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:10,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:10,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:10,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-13 12:53:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:10,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-13 12:53:10,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:10,958 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-13 12:53:10,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:10,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508361500] [2024-10-13 12:53:10,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508361500] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:53:10,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125844113] [2024-10-13 12:53:10,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:10,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:10,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:53:10,961 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:53:10,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-13 12:53:11,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:11,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 12:53:11,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:53:11,034 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-13 12:53:11,035 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 12:53:11,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [125844113] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:53:11,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 12:53:11,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-10-13 12:53:11,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246107189] [2024-10-13 12:53:11,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:53:11,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 12:53:11,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:11,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 12:53:11,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-13 12:53:11,036 INFO L87 Difference]: Start difference. First operand 92 states and 120 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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) [2024-10-13 12:53:11,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:11,056 INFO L93 Difference]: Finished difference Result 95 states and 124 transitions. [2024-10-13 12:53:11,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 12:53:11,057 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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 27 [2024-10-13 12:53:11,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:11,057 INFO L225 Difference]: With dead ends: 95 [2024-10-13 12:53:11,057 INFO L226 Difference]: Without dead ends: 94 [2024-10-13 12:53:11,058 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-13 12:53:11,058 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 0 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:11,058 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:53:11,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-10-13 12:53:11,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-10-13 12:53:11,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 82 states have (on average 1.353658536585366) internal successors, (111), 87 states have internal predecessors, (111), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-10-13 12:53:11,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 122 transitions. [2024-10-13 12:53:11,064 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 122 transitions. Word has length 27 [2024-10-13 12:53:11,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:11,064 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 122 transitions. [2024-10-13 12:53:11,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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) [2024-10-13 12:53:11,064 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 122 transitions. [2024-10-13 12:53:11,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-13 12:53:11,065 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:11,065 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:11,080 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-13 12:53:11,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:11,266 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-13 12:53:11,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:11,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1404622642, now seen corresponding path program 1 times [2024-10-13 12:53:11,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:11,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508137160] [2024-10-13 12:53:11,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:11,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:11,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-13 12:53:11,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:11,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-13 12:53:11,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:11,337 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-13 12:53:11,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:11,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508137160] [2024-10-13 12:53:11,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508137160] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:53:11,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [471244392] [2024-10-13 12:53:11,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:11,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:11,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:53:11,339 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:53:11,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-13 12:53:11,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:11,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 12:53:11,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:53:11,421 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-13 12:53:11,421 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 12:53:11,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [471244392] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:53:11,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 12:53:11,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2024-10-13 12:53:11,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222637020] [2024-10-13 12:53:11,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:53:11,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 12:53:11,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:11,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 12:53:11,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-13 12:53:11,423 INFO L87 Difference]: Start difference. First operand 94 states and 122 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 12:53:11,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:11,455 INFO L93 Difference]: Finished difference Result 125 states and 161 transitions. [2024-10-13 12:53:11,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:53:11,456 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (2), 2 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 28 [2024-10-13 12:53:11,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:11,457 INFO L225 Difference]: With dead ends: 125 [2024-10-13 12:53:11,457 INFO L226 Difference]: Without dead ends: 94 [2024-10-13 12:53:11,457 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-13 12:53:11,457 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 44 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:11,457 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 52 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:53:11,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-10-13 12:53:11,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-10-13 12:53:11,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 82 states have (on average 1.329268292682927) internal successors, (109), 87 states have internal predecessors, (109), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-10-13 12:53:11,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 120 transitions. [2024-10-13 12:53:11,466 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 120 transitions. Word has length 28 [2024-10-13 12:53:11,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:11,467 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 120 transitions. [2024-10-13 12:53:11,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 12:53:11,467 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 120 transitions. [2024-10-13 12:53:11,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-13 12:53:11,468 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:11,468 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:11,482 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-13 12:53:11,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-13 12:53:11,669 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting xorErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-13 12:53:11,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:11,669 INFO L85 PathProgramCache]: Analyzing trace with hash 850580482, now seen corresponding path program 2 times [2024-10-13 12:53:11,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:11,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619612422] [2024-10-13 12:53:11,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:11,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:11,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:11,738 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 12:53:11,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:11,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619612422] [2024-10-13 12:53:11,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619612422] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:53:11,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [681482953] [2024-10-13 12:53:11,739 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 12:53:11,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:11,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:53:11,741 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:53:11,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-13 12:53:11,787 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-13 12:53:11,787 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 12:53:11,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 12:53:11,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:53:11,832 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-13 12:53:11,832 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:53:11,878 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-13 12:53:11,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [681482953] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:53:11,878 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:53:11,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 3, 3] total 10 [2024-10-13 12:53:11,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422509781] [2024-10-13 12:53:11,879 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:53:11,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 12:53:11,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:11,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 12:53:11,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-10-13 12:53:11,880 INFO L87 Difference]: Start difference. First operand 94 states and 120 transitions. Second operand has 11 states, 10 states have (on average 4.1) internal successors, (41), 11 states have internal predecessors, (41), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:53:11,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:11,988 INFO L93 Difference]: Finished difference Result 103 states and 135 transitions. [2024-10-13 12:53:11,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 12:53:11,989 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.1) internal successors, (41), 11 states have internal predecessors, (41), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2024-10-13 12:53:11,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:11,990 INFO L225 Difference]: With dead ends: 103 [2024-10-13 12:53:11,991 INFO L226 Difference]: Without dead ends: 98 [2024-10-13 12:53:11,991 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 54 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2024-10-13 12:53:11,991 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 80 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:11,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 153 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:53:11,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-10-13 12:53:11,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 69. [2024-10-13 12:53:11,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 59 states have (on average 1.2881355932203389) internal successors, (76), 63 states have internal predecessors, (76), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2024-10-13 12:53:11,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 86 transitions. [2024-10-13 12:53:11,996 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 86 transitions. Word has length 30 [2024-10-13 12:53:11,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:11,997 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 86 transitions. [2024-10-13 12:53:11,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.1) internal successors, (41), 11 states have internal predecessors, (41), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:53:11,997 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2024-10-13 12:53:12,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-13 12:53:12,002 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:12,002 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:12,017 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-13 12:53:12,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-13 12:53:12,203 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-13 12:53:12,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:12,204 INFO L85 PathProgramCache]: Analyzing trace with hash 772296198, now seen corresponding path program 1 times [2024-10-13 12:53:12,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:12,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390329601] [2024-10-13 12:53:12,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:12,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:12,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:12,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-13 12:53:12,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:12,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-13 12:53:12,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:12,256 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 12:53:12,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:12,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390329601] [2024-10-13 12:53:12,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390329601] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:53:12,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:53:12,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 12:53:12,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625338393] [2024-10-13 12:53:12,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:53:12,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 12:53:12,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:12,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 12:53:12,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:53:12,258 INFO L87 Difference]: Start difference. First operand 69 states and 86 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-10-13 12:53:12,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:12,283 INFO L93 Difference]: Finished difference Result 73 states and 90 transitions. [2024-10-13 12:53:12,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:53:12,283 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 38 [2024-10-13 12:53:12,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:12,284 INFO L225 Difference]: With dead ends: 73 [2024-10-13 12:53:12,284 INFO L226 Difference]: Without dead ends: 71 [2024-10-13 12:53:12,285 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:53:12,285 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 1 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:12,285 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 82 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:53:12,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-10-13 12:53:12,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-10-13 12:53:12,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 61 states have (on average 1.278688524590164) internal successors, (78), 65 states have internal predecessors, (78), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2024-10-13 12:53:12,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 88 transitions. [2024-10-13 12:53:12,290 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 88 transitions. Word has length 38 [2024-10-13 12:53:12,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:12,292 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 88 transitions. [2024-10-13 12:53:12,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-10-13 12:53:12,292 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2024-10-13 12:53:12,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-13 12:53:12,293 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:12,294 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:12,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-13 12:53:12,295 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-13 12:53:12,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:12,295 INFO L85 PathProgramCache]: Analyzing trace with hash 2141974125, now seen corresponding path program 1 times [2024-10-13 12:53:12,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:12,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519391257] [2024-10-13 12:53:12,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:12,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:12,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:12,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-13 12:53:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:12,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-13 12:53:12,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:12,353 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 12:53:12,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:12,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519391257] [2024-10-13 12:53:12,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519391257] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:53:12,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625723699] [2024-10-13 12:53:12,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:12,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:12,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:53:12,355 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) [2024-10-13 12:53:12,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-13 12:53:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:12,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 12:53:12,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:53:12,435 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 12:53:12,435 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 12:53:12,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1625723699] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:53:12,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 12:53:12,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-10-13 12:53:12,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570422327] [2024-10-13 12:53:12,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:53:12,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 12:53:12,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:12,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 12:53:12,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-13 12:53:12,437 INFO L87 Difference]: Start difference. First operand 71 states and 88 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2024-10-13 12:53:12,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:12,458 INFO L93 Difference]: Finished difference Result 71 states and 88 transitions. [2024-10-13 12:53:12,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:53:12,459 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 43 [2024-10-13 12:53:12,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:12,459 INFO L225 Difference]: With dead ends: 71 [2024-10-13 12:53:12,460 INFO L226 Difference]: Without dead ends: 69 [2024-10-13 12:53:12,460 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-13 12:53:12,460 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 1 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:12,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 72 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:53:12,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-10-13 12:53:12,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-10-13 12:53:12,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 61 states have (on average 1.2459016393442623) internal successors, (76), 63 states have internal predecessors, (76), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2024-10-13 12:53:12,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 86 transitions. [2024-10-13 12:53:12,465 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 86 transitions. Word has length 43 [2024-10-13 12:53:12,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:12,465 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 86 transitions. [2024-10-13 12:53:12,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2024-10-13 12:53:12,465 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2024-10-13 12:53:12,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-13 12:53:12,466 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:12,466 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:12,479 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-10-13 12:53:12,672 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 [2024-10-13 12:53:12,673 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-13 12:53:12,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:12,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1976688508, now seen corresponding path program 1 times [2024-10-13 12:53:12,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:12,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893859301] [2024-10-13 12:53:12,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:12,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:12,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-13 12:53:12,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:12,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-13 12:53:12,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:12,752 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 12:53:12,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:12,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893859301] [2024-10-13 12:53:12,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893859301] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:53:12,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135327547] [2024-10-13 12:53:12,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:12,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:12,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:53:12,755 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) [2024-10-13 12:53:12,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-13 12:53:12,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:12,819 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 12:53:12,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:53:12,838 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 12:53:12,838 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:53:12,878 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 12:53:12,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [135327547] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:53:12,879 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:53:12,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-10-13 12:53:12,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188600774] [2024-10-13 12:53:12,879 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:53:12,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 12:53:12,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:12,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 12:53:12,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-13 12:53:12,880 INFO L87 Difference]: Start difference. First operand 69 states and 86 transitions. Second operand has 10 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 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) [2024-10-13 12:53:12,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:12,920 INFO L93 Difference]: Finished difference Result 83 states and 101 transitions. [2024-10-13 12:53:12,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 12:53:12,920 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 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 44 [2024-10-13 12:53:12,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:12,921 INFO L225 Difference]: With dead ends: 83 [2024-10-13 12:53:12,921 INFO L226 Difference]: Without dead ends: 81 [2024-10-13 12:53:12,921 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-13 12:53:12,922 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 0 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:12,922 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 133 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:53:12,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-10-13 12:53:12,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2024-10-13 12:53:12,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 73 states have (on average 1.2054794520547945) internal successors, (88), 75 states have internal predecessors, (88), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2024-10-13 12:53:12,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 98 transitions. [2024-10-13 12:53:12,930 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 98 transitions. Word has length 44 [2024-10-13 12:53:12,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:12,931 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 98 transitions. [2024-10-13 12:53:12,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 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) [2024-10-13 12:53:12,931 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 98 transitions. [2024-10-13 12:53:12,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-10-13 12:53:12,931 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:12,932 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:12,946 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-13 12:53:13,132 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 [2024-10-13 12:53:13,132 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-13 12:53:13,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:13,133 INFO L85 PathProgramCache]: Analyzing trace with hash -888044375, now seen corresponding path program 1 times [2024-10-13 12:53:13,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:13,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154170986] [2024-10-13 12:53:13,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:13,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:13,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:13,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-13 12:53:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:13,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-13 12:53:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:13,175 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-10-13 12:53:13,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:13,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154170986] [2024-10-13 12:53:13,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154170986] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:53:13,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:53:13,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 12:53:13,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257508469] [2024-10-13 12:53:13,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:53:13,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 12:53:13,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:13,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 12:53:13,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 12:53:13,177 INFO L87 Difference]: Start difference. First operand 81 states and 98 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-10-13 12:53:13,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:13,189 INFO L93 Difference]: Finished difference Result 81 states and 98 transitions. [2024-10-13 12:53:13,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 12:53:13,190 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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 53 [2024-10-13 12:53:13,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:13,191 INFO L225 Difference]: With dead ends: 81 [2024-10-13 12:53:13,191 INFO L226 Difference]: Without dead ends: 80 [2024-10-13 12:53:13,191 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 12:53:13,191 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:13,192 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:53:13,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-10-13 12:53:13,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-10-13 12:53:13,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 73 states have (on average 1.1917808219178083) internal successors, (87), 74 states have internal predecessors, (87), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2024-10-13 12:53:13,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 97 transitions. [2024-10-13 12:53:13,196 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 97 transitions. Word has length 53 [2024-10-13 12:53:13,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:13,196 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 97 transitions. [2024-10-13 12:53:13,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-10-13 12:53:13,196 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 97 transitions. [2024-10-13 12:53:13,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-10-13 12:53:13,197 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:13,197 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:13,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-13 12:53:13,197 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-13 12:53:13,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:13,198 INFO L85 PathProgramCache]: Analyzing trace with hash -617885220, now seen corresponding path program 2 times [2024-10-13 12:53:13,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:13,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897162849] [2024-10-13 12:53:13,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:13,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:13,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:13,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-13 12:53:13,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:13,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-13 12:53:13,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:13,259 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-13 12:53:13,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:13,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897162849] [2024-10-13 12:53:13,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897162849] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:53:13,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [886616627] [2024-10-13 12:53:13,260 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 12:53:13,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:13,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:53:13,262 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:53:13,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-13 12:53:13,321 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-13 12:53:13,321 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 12:53:13,322 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 12:53:13,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:53:13,371 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-13 12:53:13,372 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:53:13,418 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-13 12:53:13,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [886616627] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:53:13,419 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:53:13,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 2, 3] total 5 [2024-10-13 12:53:13,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211354765] [2024-10-13 12:53:13,419 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:53:13,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 12:53:13,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:13,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 12:53:13,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-13 12:53:13,420 INFO L87 Difference]: Start difference. First operand 80 states and 97 transitions. Second operand has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-13 12:53:13,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:13,443 INFO L93 Difference]: Finished difference Result 80 states and 97 transitions. [2024-10-13 12:53:13,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:53:13,443 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 58 [2024-10-13 12:53:13,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:13,444 INFO L225 Difference]: With dead ends: 80 [2024-10-13 12:53:13,444 INFO L226 Difference]: Without dead ends: 0 [2024-10-13 12:53:13,444 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-13 12:53:13,445 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 10 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:13,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 40 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:53:13,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-13 12:53:13,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-13 12:53:13,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:53:13,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-13 12:53:13,446 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2024-10-13 12:53:13,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:13,446 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 12:53:13,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-13 12:53:13,446 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-13 12:53:13,446 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-13 12:53:13,448 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2024-10-13 12:53:13,448 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2024-10-13 12:53:13,449 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2024-10-13 12:53:13,449 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2024-10-13 12:53:13,449 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2024-10-13 12:53:13,449 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2024-10-13 12:53:13,449 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2024-10-13 12:53:13,449 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2024-10-13 12:53:13,449 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2024-10-13 12:53:13,449 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2024-10-13 12:53:13,450 INFO L782 garLoopResultBuilder]: Registering result SAFE for location xorErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2024-10-13 12:53:13,450 INFO L782 garLoopResultBuilder]: Registering result SAFE for location xorErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2024-10-13 12:53:13,462 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-13 12:53:13,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:13,653 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:13,655 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-13 12:53:13,839 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 12:53:13,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:53:13 BoogieIcfgContainer [2024-10-13 12:53:13,861 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 12:53:13,862 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 12:53:13,862 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 12:53:13,862 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 12:53:13,862 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:53:06" (3/4) ... [2024-10-13 12:53:13,864 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 12:53:13,867 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure xor [2024-10-13 12:53:13,871 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2024-10-13 12:53:13,872 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-10-13 12:53:13,872 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-13 12:53:13,872 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 12:53:13,959 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 12:53:13,962 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 12:53:13,962 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 12:53:13,963 INFO L158 Benchmark]: Toolchain (without parser) took 8591.88ms. Allocated memory was 201.3MB in the beginning and 243.3MB in the end (delta: 41.9MB). Free memory was 134.4MB in the beginning and 212.3MB in the end (delta: -77.9MB). Peak memory consumption was 102.3MB. Max. memory is 16.1GB. [2024-10-13 12:53:13,963 INFO L158 Benchmark]: CDTParser took 0.93ms. Allocated memory is still 121.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 12:53:13,963 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.77ms. Allocated memory is still 201.3MB. Free memory was 133.9MB in the beginning and 121.6MB in the end (delta: 12.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-13 12:53:13,963 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.18ms. Allocated memory is still 201.3MB. Free memory was 121.6MB in the beginning and 119.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 12:53:13,963 INFO L158 Benchmark]: Boogie Preprocessor took 49.75ms. Allocated memory is still 201.3MB. Free memory was 119.7MB in the beginning and 117.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 12:53:13,964 INFO L158 Benchmark]: RCFGBuilder took 349.99ms. Allocated memory is still 201.3MB. Free memory was 117.6MB in the beginning and 100.4MB in the end (delta: 17.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-13 12:53:13,964 INFO L158 Benchmark]: TraceAbstraction took 7823.20ms. Allocated memory was 201.3MB in the beginning and 243.3MB in the end (delta: 41.9MB). Free memory was 99.6MB in the beginning and 81.2MB in the end (delta: 18.4MB). Peak memory consumption was 62.4MB. Max. memory is 16.1GB. [2024-10-13 12:53:13,964 INFO L158 Benchmark]: Witness Printer took 100.50ms. Allocated memory is still 243.3MB. Free memory was 81.2MB in the beginning and 212.3MB in the end (delta: -131.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 12:53:13,965 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.93ms. Allocated memory is still 121.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 232.77ms. Allocated memory is still 201.3MB. Free memory was 133.9MB in the beginning and 121.6MB in the end (delta: 12.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.18ms. Allocated memory is still 201.3MB. Free memory was 121.6MB in the beginning and 119.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.75ms. Allocated memory is still 201.3MB. Free memory was 119.7MB in the beginning and 117.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 349.99ms. Allocated memory is still 201.3MB. Free memory was 117.6MB in the beginning and 100.4MB in the end (delta: 17.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 7823.20ms. Allocated memory was 201.3MB in the beginning and 243.3MB in the end (delta: 41.9MB). Free memory was 99.6MB in the beginning and 81.2MB in the end (delta: 18.4MB). Peak memory consumption was 62.4MB. Max. memory is 16.1GB. * Witness Printer took 100.50ms. Allocated memory is still 243.3MB. Free memory was 81.2MB in the beginning and 212.3MB in the end (delta: -131.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 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: 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: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: 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: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 7.5s, OverallIterations: 19, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 288 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 288 mSDsluCounter, 2143 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1505 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1050 IncrementalHoareTripleChecker+Invalid, 1067 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 638 mSDtfsCounter, 1050 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 690 GetRequests, 547 SyntacticMatches, 12 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=94occurred in iteration=12, InterpolantAutomatonStates: 111, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 19 MinimizatonAttempts, 46 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 862 NumberOfCodeBlocks, 788 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 1019 ConstructedInterpolants, 0 QuantifiedInterpolants, 2133 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1625 ConjunctsInSsa, 56 ConjunctsInUnsatCore, 40 InterpolantComputations, 12 PerfectInterpolantSequences, 493/652 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: 40]: Loop Invariant Derived loop invariant: ((((N <= 2147483647) && (i == 0)) && (2 <= N)) || (((N <= 2147483647) && (1 <= i)) && (2 <= N))) - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: ((((N <= 2147483647) && (0 <= (2147483648 + i))) && (2 <= N)) && (((i == 1) || (2 == i)) || (2 < N))) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: (((N <= 2147483647) && (0 <= (i + 2147483648))) && (2 <= N)) - ProcedureContractResult [Line: 19]: Procedure Contract for xor Derived contract for procedure xor. Requires: ((N <= 2147483647) && (2 <= N)) Ensures: ((N <= 2147483647) && (2 <= N)) RESULT: Ultimate proved your program to be correct! [2024-10-13 12:53:13,995 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