./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/xor1.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/xor1.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 fa90627ffc045ef90595d49d60ca0f6095b53b667a9d0f028eb93e7bf4c6c579 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 12:52:58,040 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 12:52:58,126 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 12:52:58,133 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 12:52:58,134 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 12:52:58,165 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 12:52:58,166 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 12:52:58,166 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 12:52:58,167 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 12:52:58,168 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 12:52:58,168 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 12:52:58,169 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 12:52:58,169 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 12:52:58,170 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 12:52:58,170 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 12:52:58,170 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 12:52:58,171 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 12:52:58,171 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 12:52:58,171 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 12:52:58,171 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 12:52:58,172 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 12:52:58,172 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 12:52:58,176 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 12:52:58,176 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 12:52:58,176 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 12:52:58,176 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 12:52:58,177 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 12:52:58,177 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 12:52:58,177 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 12:52:58,177 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 12:52:58,178 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 12:52:58,178 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 12:52:58,178 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 12:52:58,178 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 12:52:58,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 12:52:58,178 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 12:52:58,179 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 12:52:58,179 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 12:52:58,179 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 12:52:58,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 12:52:58,180 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 12:52:58,180 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 12:52:58,180 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 12:52:58,181 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 12:52:58,181 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa90627ffc045ef90595d49d60ca0f6095b53b667a9d0f028eb93e7bf4c6c579 [2024-10-13 12:52:58,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 12:52:58,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 12:52:58,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 12:52:58,422 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 12:52:58,422 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 12:52:58,424 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-crafted/xor1.i [2024-10-13 12:52:59,929 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 12:53:00,108 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 12:53:00,109 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-crafted/xor1.i [2024-10-13 12:53:00,115 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c211c15e/1432a4c11e5a43ca964ab89c77c9c16a/FLAG3807b8087 [2024-10-13 12:53:00,127 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c211c15e/1432a4c11e5a43ca964ab89c77c9c16a [2024-10-13 12:53:00,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 12:53:00,131 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 12:53:00,132 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 12:53:00,133 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 12:53:00,137 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 12:53:00,138 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:53:00" (1/1) ... [2024-10-13 12:53:00,139 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e98f87f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:00, skipping insertion in model container [2024-10-13 12:53:00,139 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:53:00" (1/1) ... [2024-10-13 12:53:00,160 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 12:53:00,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 12:53:00,346 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 12:53:00,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 12:53:00,428 INFO L204 MainTranslator]: Completed translation [2024-10-13 12:53:00,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:00 WrapperNode [2024-10-13 12:53:00,429 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 12:53:00,431 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 12:53:00,432 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 12:53:00,432 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 12:53:00,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:00" (1/1) ... [2024-10-13 12:53:00,444 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:00" (1/1) ... [2024-10-13 12:53:00,464 INFO L138 Inliner]: procedures = 16, calls = 31, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 84 [2024-10-13 12:53:00,464 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 12:53:00,465 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 12:53:00,465 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 12:53:00,465 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 12:53:00,473 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:00" (1/1) ... [2024-10-13 12:53:00,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:00" (1/1) ... [2024-10-13 12:53:00,475 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:00" (1/1) ... [2024-10-13 12:53:00,492 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 12:53:00,492 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:00" (1/1) ... [2024-10-13 12:53:00,492 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:00" (1/1) ... [2024-10-13 12:53:00,497 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:00" (1/1) ... [2024-10-13 12:53:00,502 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:00" (1/1) ... [2024-10-13 12:53:00,504 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:00" (1/1) ... [2024-10-13 12:53:00,505 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:00" (1/1) ... [2024-10-13 12:53:00,507 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 12:53:00,508 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 12:53:00,508 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 12:53:00,508 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 12:53:00,509 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:00" (1/1) ... [2024-10-13 12:53:00,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 12:53:00,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:53:00,543 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 12:53:00,546 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 12:53:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 12:53:00,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 12:53:00,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 12:53:00,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-13 12:53:00,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-13 12:53:00,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 12:53:00,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 12:53:00,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-13 12:53:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 12:53:00,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 12:53:00,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 12:53:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 12:53:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-13 12:53:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure xor [2024-10-13 12:53:00,597 INFO L138 BoogieDeclarations]: Found implementation of procedure xor [2024-10-13 12:53:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 12:53:00,671 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 12:53:00,673 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 12:53:00,932 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-10-13 12:53:00,935 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 12:53:00,984 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 12:53:00,985 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-13 12:53:00,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:53:00 BoogieIcfgContainer [2024-10-13 12:53:00,986 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 12:53:00,989 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 12:53:00,989 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 12:53:00,992 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 12:53:00,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:53:00" (1/3) ... [2024-10-13 12:53:00,993 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@367d645 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:53:00, skipping insertion in model container [2024-10-13 12:53:00,994 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:00" (2/3) ... [2024-10-13 12:53:00,994 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@367d645 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:53:00, skipping insertion in model container [2024-10-13 12:53:00,995 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:53:00" (3/3) ... [2024-10-13 12:53:00,996 INFO L112 eAbstractionObserver]: Analyzing ICFG xor1.i [2024-10-13 12:53:01,016 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 12:53:01,016 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-10-13 12:53:01,070 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 12:53:01,076 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;@75d5b922, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 12:53:01,077 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-13 12:53:01,080 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 28 states have (on average 1.6785714285714286) internal successors, (47), 36 states have internal predecessors, (47), 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 12:53:01,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-10-13 12:53:01,084 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:01,085 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-10-13 12:53:01,085 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 12:53:01,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:01,090 INFO L85 PathProgramCache]: Analyzing trace with hash 139978, now seen corresponding path program 1 times [2024-10-13 12:53:01,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:01,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559512243] [2024-10-13 12:53:01,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:01,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:01,367 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 12:53:01,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:01,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559512243] [2024-10-13 12:53:01,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559512243] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:53:01,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:53:01,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 12:53:01,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130928114] [2024-10-13 12:53:01,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:53:01,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 12:53:01,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:01,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 12:53:01,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:53:01,406 INFO L87 Difference]: Start difference. First operand has 41 states, 28 states have (on average 1.6785714285714286) internal successors, (47), 36 states have internal predecessors, (47), 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 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:53:01,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:01,486 INFO L93 Difference]: Finished difference Result 80 states and 107 transitions. [2024-10-13 12:53:01,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:53:01,489 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2024-10-13 12:53:01,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:01,497 INFO L225 Difference]: With dead ends: 80 [2024-10-13 12:53:01,497 INFO L226 Difference]: Without dead ends: 38 [2024-10-13 12:53:01,501 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 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 12:53:01,507 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 1 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:01,508 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 113 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:53:01,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-10-13 12:53:01,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-10-13 12:53:01,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 26 states have (on average 1.5384615384615385) internal successors, (40), 34 states have internal predecessors, (40), 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 12:53:01,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 45 transitions. [2024-10-13 12:53:01,550 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 45 transitions. Word has length 3 [2024-10-13 12:53:01,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:01,551 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 45 transitions. [2024-10-13 12:53:01,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:53:01,552 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2024-10-13 12:53:01,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-13 12:53:01,553 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:01,553 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2024-10-13 12:53:01,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 12:53:01,554 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 12:53:01,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:01,555 INFO L85 PathProgramCache]: Analyzing trace with hash -124834015, now seen corresponding path program 1 times [2024-10-13 12:53:01,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:01,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893140263] [2024-10-13 12:53:01,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:01,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:01,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:01,699 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 12:53:01,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:01,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893140263] [2024-10-13 12:53:01,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893140263] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:53:01,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [625340813] [2024-10-13 12:53:01,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:01,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:01,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:53:01,703 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 12:53:01,705 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 12:53:01,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:01,782 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 12:53:01,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:53:01,843 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 12:53:01,843 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 12:53:01,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [625340813] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:53:01,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 12:53:01,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-10-13 12:53:01,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939659720] [2024-10-13 12:53:01,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:53:01,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 12:53:01,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:01,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 12:53:01,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-13 12:53:01,847 INFO L87 Difference]: Start difference. First operand 38 states and 45 transitions. Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:53:01,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:01,885 INFO L93 Difference]: Finished difference Result 38 states and 45 transitions. [2024-10-13 12:53:01,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 12:53:01,886 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-13 12:53:01,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:01,886 INFO L225 Difference]: With dead ends: 38 [2024-10-13 12:53:01,886 INFO L226 Difference]: Without dead ends: 37 [2024-10-13 12:53:01,887 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 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 12:53:01,888 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 1 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:01,888 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 95 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:53:01,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-10-13 12:53:01,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-10-13 12:53:01,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 26 states have (on average 1.5) internal successors, (39), 33 states have internal predecessors, (39), 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 12:53:01,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 44 transitions. [2024-10-13 12:53:01,918 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 44 transitions. Word has length 6 [2024-10-13 12:53:01,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:01,919 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 44 transitions. [2024-10-13 12:53:01,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:53:01,919 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2024-10-13 12:53:01,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-13 12:53:01,920 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:01,920 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1] [2024-10-13 12:53:01,938 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 12:53:02,121 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 12:53:02,122 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 12:53:02,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:02,123 INFO L85 PathProgramCache]: Analyzing trace with hash 425112877, now seen corresponding path program 1 times [2024-10-13 12:53:02,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:02,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443709850] [2024-10-13 12:53:02,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:02,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:02,191 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 12:53:02,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:02,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443709850] [2024-10-13 12:53:02,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443709850] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:53:02,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:53:02,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 12:53:02,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208787888] [2024-10-13 12:53:02,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:53:02,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 12:53:02,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:02,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 12:53:02,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 12:53:02,193 INFO L87 Difference]: Start difference. First operand 37 states and 44 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:53:02,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:02,223 INFO L93 Difference]: Finished difference Result 37 states and 44 transitions. [2024-10-13 12:53:02,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 12:53:02,224 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-13 12:53:02,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:02,225 INFO L225 Difference]: With dead ends: 37 [2024-10-13 12:53:02,225 INFO L226 Difference]: Without dead ends: 36 [2024-10-13 12:53:02,227 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 12:53:02,228 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 66 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 12:53:02,228 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:53:02,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-10-13 12:53:02,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 34. [2024-10-13 12:53:02,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 24 states have (on average 1.5) internal successors, (36), 30 states have internal predecessors, (36), 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 12:53:02,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 41 transitions. [2024-10-13 12:53:02,240 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 41 transitions. Word has length 7 [2024-10-13 12:53:02,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:02,240 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 41 transitions. [2024-10-13 12:53:02,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:53:02,240 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2024-10-13 12:53:02,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-13 12:53:02,241 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:02,241 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:02,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 12:53:02,241 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting xorErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 12:53:02,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:02,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1274368934, now seen corresponding path program 1 times [2024-10-13 12:53:02,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:02,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537736954] [2024-10-13 12:53:02,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:02,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:02,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:02,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:53:02,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:02,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537736954] [2024-10-13 12:53:02,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537736954] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:53:02,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61767784] [2024-10-13 12:53:02,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:02,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:02,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:53:02,354 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 12:53:02,356 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 12:53:02,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:02,415 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 12:53:02,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:53:02,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:53:02,450 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:53:02,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:53:02,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [61767784] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:53:02,488 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:53:02,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-10-13 12:53:02,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754468548] [2024-10-13 12:53:02,490 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:53:02,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 12:53:02,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:02,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 12:53:02,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-13 12:53:02,492 INFO L87 Difference]: Start difference. First operand 34 states and 41 transitions. Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 9 states have internal predecessors, (20), 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 12:53:02,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:02,549 INFO L93 Difference]: Finished difference Result 69 states and 84 transitions. [2024-10-13 12:53:02,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 12:53:02,549 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 9 states have internal predecessors, (20), 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 12 [2024-10-13 12:53:02,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:02,550 INFO L225 Difference]: With dead ends: 69 [2024-10-13 12:53:02,550 INFO L226 Difference]: Without dead ends: 40 [2024-10-13 12:53:02,551 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 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 12:53:02,552 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:02,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 225 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:53:02,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-10-13 12:53:02,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-10-13 12:53:02,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 30 states have (on average 1.4) internal successors, (42), 36 states have internal predecessors, (42), 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 12:53:02,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 47 transitions. [2024-10-13 12:53:02,558 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 47 transitions. Word has length 12 [2024-10-13 12:53:02,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:02,558 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 47 transitions. [2024-10-13 12:53:02,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 9 states have internal predecessors, (20), 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 12:53:02,558 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2024-10-13 12:53:02,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-13 12:53:02,559 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:02,559 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:02,572 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 12:53:02,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-10-13 12:53:02,760 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting xorErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 12:53:02,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:02,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1078121402, now seen corresponding path program 2 times [2024-10-13 12:53:02,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:02,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699684548] [2024-10-13 12:53:02,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:02,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:02,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:02,852 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 12:53:02,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:02,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699684548] [2024-10-13 12:53:02,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699684548] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:53:02,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:53:02,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 12:53:02,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468586998] [2024-10-13 12:53:02,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:53:02,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 12:53:02,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:02,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 12:53:02,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:53:02,856 INFO L87 Difference]: Start difference. First operand 40 states and 47 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 12:53:02,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:02,894 INFO L93 Difference]: Finished difference Result 75 states and 95 transitions. [2024-10-13 12:53:02,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:53:02,896 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 12:53:02,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:02,897 INFO L225 Difference]: With dead ends: 75 [2024-10-13 12:53:02,897 INFO L226 Difference]: Without dead ends: 48 [2024-10-13 12:53:02,897 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 12:53:02,898 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 7 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:02,898 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 92 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:53:02,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-10-13 12:53:02,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-10-13 12:53:02,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 38 states have (on average 1.394736842105263) internal successors, (53), 44 states have internal predecessors, (53), 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 12:53:02,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 58 transitions. [2024-10-13 12:53:02,908 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 58 transitions. Word has length 18 [2024-10-13 12:53:02,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:02,908 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 58 transitions. [2024-10-13 12:53:02,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 12:53:02,909 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2024-10-13 12:53:02,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-13 12:53:02,910 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:02,910 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:02,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 12:53:02,910 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting xorErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 12:53:02,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:02,911 INFO L85 PathProgramCache]: Analyzing trace with hash -332719274, now seen corresponding path program 1 times [2024-10-13 12:53:02,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:02,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652088237] [2024-10-13 12:53:02,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:02,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:03,062 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 12:53:03,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:03,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652088237] [2024-10-13 12:53:03,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652088237] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:53:03,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [620787748] [2024-10-13 12:53:03,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:03,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:03,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:53:03,066 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 12:53:03,067 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 12:53:03,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:03,144 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-13 12:53:03,145 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:53:03,187 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 12:53:03,191 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:53:03,300 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 12:53:03,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [620787748] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:53:03,300 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:53:03,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2024-10-13 12:53:03,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859315134] [2024-10-13 12:53:03,300 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:53:03,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-13 12:53:03,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:03,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-13 12:53:03,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-10-13 12:53:03,302 INFO L87 Difference]: Start difference. First operand 48 states and 58 transitions. Second operand has 18 states, 18 states have (on average 1.8888888888888888) internal successors, (34), 17 states have internal predecessors, (34), 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 12:53:03,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:03,377 INFO L93 Difference]: Finished difference Result 97 states and 120 transitions. [2024-10-13 12:53:03,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-13 12:53:03,378 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 1.8888888888888888) internal successors, (34), 17 states have internal predecessors, (34), 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 23 [2024-10-13 12:53:03,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:03,379 INFO L225 Difference]: With dead ends: 97 [2024-10-13 12:53:03,379 INFO L226 Difference]: Without dead ends: 60 [2024-10-13 12:53:03,379 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-10-13 12:53:03,380 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:03,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 128 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:53:03,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-10-13 12:53:03,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-10-13 12:53:03,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 50 states have (on average 1.3) internal successors, (65), 56 states have internal predecessors, (65), 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 12:53:03,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 70 transitions. [2024-10-13 12:53:03,388 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 70 transitions. Word has length 23 [2024-10-13 12:53:03,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:03,388 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 70 transitions. [2024-10-13 12:53:03,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 1.8888888888888888) internal successors, (34), 17 states have internal predecessors, (34), 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 12:53:03,388 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 70 transitions. [2024-10-13 12:53:03,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-10-13 12:53:03,389 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:03,389 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:03,402 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-13 12:53:03,590 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 12:53:03,590 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting xorErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 12:53:03,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:03,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1521622166, now seen corresponding path program 2 times [2024-10-13 12:53:03,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:03,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046006797] [2024-10-13 12:53:03,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:03,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:03,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:03,910 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 12:53:03,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:03,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046006797] [2024-10-13 12:53:03,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046006797] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:53:03,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248797684] [2024-10-13 12:53:03,911 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 12:53:03,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:03,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:53:03,913 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 12:53:03,915 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 12:53:03,984 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 12:53:03,985 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 12:53:03,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-13 12:53:03,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:53:04,042 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 12:53:04,043 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:53:04,333 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 12:53:04,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [248797684] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:53:04,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:53:04,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 33 [2024-10-13 12:53:04,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191007707] [2024-10-13 12:53:04,334 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:53:04,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-10-13 12:53:04,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:04,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-10-13 12:53:04,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-10-13 12:53:04,337 INFO L87 Difference]: Start difference. First operand 60 states and 70 transitions. Second operand has 34 states, 34 states have (on average 1.7058823529411764) internal successors, (58), 33 states have internal predecessors, (58), 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 12:53:04,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:04,429 INFO L93 Difference]: Finished difference Result 121 states and 148 transitions. [2024-10-13 12:53:04,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-13 12:53:04,429 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 1.7058823529411764) internal successors, (58), 33 states have internal predecessors, (58), 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 35 [2024-10-13 12:53:04,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:04,430 INFO L225 Difference]: With dead ends: 121 [2024-10-13 12:53:04,430 INFO L226 Difference]: Without dead ends: 84 [2024-10-13 12:53:04,431 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-10-13 12:53:04,432 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:04,433 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 227 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:53:04,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-10-13 12:53:04,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-10-13 12:53:04,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 74 states have (on average 1.2027027027027026) internal successors, (89), 80 states have internal predecessors, (89), 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 12:53:04,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 94 transitions. [2024-10-13 12:53:04,440 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 94 transitions. Word has length 35 [2024-10-13 12:53:04,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:04,440 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 94 transitions. [2024-10-13 12:53:04,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 1.7058823529411764) internal successors, (58), 33 states have internal predecessors, (58), 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 12:53:04,441 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 94 transitions. [2024-10-13 12:53:04,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-13 12:53:04,442 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:04,442 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:04,460 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-13 12:53:04,646 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 12:53:04,647 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting xorErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 12:53:04,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:04,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1603764458, now seen corresponding path program 3 times [2024-10-13 12:53:04,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:04,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888764550] [2024-10-13 12:53:04,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:04,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:04,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:05,458 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 12:53:05,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:05,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888764550] [2024-10-13 12:53:05,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888764550] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:53:05,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [167970832] [2024-10-13 12:53:05,459 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-13 12:53:05,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:05,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:53:05,461 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 12:53:05,466 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 12:53:05,534 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-13 12:53:05,535 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 12:53:05,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 12:53:05,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:53:05,625 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-10-13 12:53:05,625 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 12:53:05,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [167970832] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:53:05,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 12:53:05,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [32] total 37 [2024-10-13 12:53:05,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989646318] [2024-10-13 12:53:05,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:53:05,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 12:53:05,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:05,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 12:53:05,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=298, Invalid=1034, Unknown=0, NotChecked=0, Total=1332 [2024-10-13 12:53:05,627 INFO L87 Difference]: Start difference. First operand 84 states and 94 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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 12:53:05,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:05,666 INFO L93 Difference]: Finished difference Result 84 states and 94 transitions. [2024-10-13 12:53:05,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 12:53:05,667 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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 59 [2024-10-13 12:53:05,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:05,667 INFO L225 Difference]: With dead ends: 84 [2024-10-13 12:53:05,668 INFO L226 Difference]: Without dead ends: 83 [2024-10-13 12:53:05,668 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=298, Invalid=1034, Unknown=0, NotChecked=0, Total=1332 [2024-10-13 12:53:05,669 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 13 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:05,669 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 136 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:53:05,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-10-13 12:53:05,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-10-13 12:53:05,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 74 states have (on average 1.1891891891891893) internal successors, (88), 79 states have internal predecessors, (88), 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 12:53:05,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 93 transitions. [2024-10-13 12:53:05,685 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 93 transitions. Word has length 59 [2024-10-13 12:53:05,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:05,686 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 93 transitions. [2024-10-13 12:53:05,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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 12:53:05,687 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 93 transitions. [2024-10-13 12:53:05,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-10-13 12:53:05,692 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:05,692 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:05,704 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-13 12:53:05,892 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 12:53:05,893 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting xorErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 12:53:05,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:05,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1822909482, now seen corresponding path program 1 times [2024-10-13 12:53:05,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:05,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937256960] [2024-10-13 12:53:05,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:05,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:05,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:05,966 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2024-10-13 12:53:05,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:05,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937256960] [2024-10-13 12:53:05,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937256960] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:53:05,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:53:05,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 12:53:05,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40509856] [2024-10-13 12:53:05,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:53:05,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 12:53:05,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:05,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 12:53:05,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:53:05,970 INFO L87 Difference]: Start difference. First operand 83 states and 93 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 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 12:53:05,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:05,990 INFO L93 Difference]: Finished difference Result 83 states and 93 transitions. [2024-10-13 12:53:05,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:53:05,990 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 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 60 [2024-10-13 12:53:05,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:05,992 INFO L225 Difference]: With dead ends: 83 [2024-10-13 12:53:05,992 INFO L226 Difference]: Without dead ends: 80 [2024-10-13 12:53:05,992 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 12:53:05,993 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 6 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:05,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 81 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:53:05,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-10-13 12:53:06,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 73. [2024-10-13 12:53:06,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 66 states have (on average 1.1363636363636365) internal successors, (75), 69 states have internal predecessors, (75), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 12:53:06,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 79 transitions. [2024-10-13 12:53:06,001 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 79 transitions. Word has length 60 [2024-10-13 12:53:06,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:06,002 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 79 transitions. [2024-10-13 12:53:06,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 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 12:53:06,002 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 79 transitions. [2024-10-13 12:53:06,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-10-13 12:53:06,006 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:06,006 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:06,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 12:53:06,007 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 12:53:06,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:06,007 INFO L85 PathProgramCache]: Analyzing trace with hash 482581428, now seen corresponding path program 1 times [2024-10-13 12:53:06,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:06,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233544837] [2024-10-13 12:53:06,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:06,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:06,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-13 12:53:06,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:06,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 12:53:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:06,142 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2024-10-13 12:53:06,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:06,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233544837] [2024-10-13 12:53:06,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233544837] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:53:06,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755081085] [2024-10-13 12:53:06,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:06,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:06,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:53:06,146 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 12:53:06,148 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 12:53:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:06,259 INFO L255 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 12:53:06,261 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:53:06,279 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2024-10-13 12:53:06,279 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 12:53:06,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755081085] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:53:06,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 12:53:06,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-10-13 12:53:06,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203972871] [2024-10-13 12:53:06,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:53:06,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 12:53:06,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:06,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 12:53:06,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 12:53:06,281 INFO L87 Difference]: Start difference. First operand 73 states and 79 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 12:53:06,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:06,305 INFO L93 Difference]: Finished difference Result 77 states and 84 transitions. [2024-10-13 12:53:06,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 12:53:06,305 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 72 [2024-10-13 12:53:06,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:06,307 INFO L225 Difference]: With dead ends: 77 [2024-10-13 12:53:06,307 INFO L226 Difference]: Without dead ends: 76 [2024-10-13 12:53:06,307 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 12:53:06,308 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 1 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:06,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 51 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:53:06,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-10-13 12:53:06,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 75. [2024-10-13 12:53:06,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 68 states have (on average 1.1323529411764706) internal successors, (77), 71 states have internal predecessors, (77), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 12:53:06,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 81 transitions. [2024-10-13 12:53:06,314 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 81 transitions. Word has length 72 [2024-10-13 12:53:06,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:06,320 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 81 transitions. [2024-10-13 12:53:06,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 12:53:06,320 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 81 transitions. [2024-10-13 12:53:06,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-13 12:53:06,321 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:06,321 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:06,338 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 12:53:06,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:06,522 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 12:53:06,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:06,522 INFO L85 PathProgramCache]: Analyzing trace with hash 2075122446, now seen corresponding path program 1 times [2024-10-13 12:53:06,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:06,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958061239] [2024-10-13 12:53:06,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:06,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:06,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-13 12:53:06,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:06,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 12:53:06,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:06,655 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2024-10-13 12:53:06,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:06,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958061239] [2024-10-13 12:53:06,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958061239] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:53:06,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051363778] [2024-10-13 12:53:06,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:06,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:06,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:53:06,657 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 12:53:06,659 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 12:53:06,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:06,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 12:53:06,770 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:53:06,781 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2024-10-13 12:53:06,782 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 12:53:06,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1051363778] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:53:06,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 12:53:06,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-10-13 12:53:06,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394025904] [2024-10-13 12:53:06,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:53:06,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 12:53:06,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:06,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 12:53:06,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 12:53:06,784 INFO L87 Difference]: Start difference. First operand 75 states and 81 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 12:53:06,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:06,803 INFO L93 Difference]: Finished difference Result 77 states and 83 transitions. [2024-10-13 12:53:06,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 12:53:06,803 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 73 [2024-10-13 12:53:06,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:06,804 INFO L225 Difference]: With dead ends: 77 [2024-10-13 12:53:06,804 INFO L226 Difference]: Without dead ends: 76 [2024-10-13 12:53:06,805 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 12:53:06,805 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:06,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 52 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:53:06,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-10-13 12:53:06,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-10-13 12:53:06,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 69 states have (on average 1.1304347826086956) internal successors, (78), 72 states have internal predecessors, (78), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 12:53:06,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 82 transitions. [2024-10-13 12:53:06,817 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 82 transitions. Word has length 73 [2024-10-13 12:53:06,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:06,818 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 82 transitions. [2024-10-13 12:53:06,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 12:53:06,818 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 82 transitions. [2024-10-13 12:53:06,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-13 12:53:06,819 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:06,819 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:06,840 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 12:53:07,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:07,024 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 12:53:07,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:07,025 INFO L85 PathProgramCache]: Analyzing trace with hash -95711126, now seen corresponding path program 1 times [2024-10-13 12:53:07,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:07,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585668371] [2024-10-13 12:53:07,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:07,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:07,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:07,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-13 12:53:07,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:07,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 12:53:07,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:07,170 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 332 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 [1585668371] [2024-10-13 12:53:07,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585668371] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:53:07,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648117866] [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 12:53:07,173 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 12:53:07,174 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 12:53:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:07,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-13 12:53:07,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:53:07,792 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-13 12:53:07,792 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:53:08,833 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-13 12:53:08,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [648117866] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:53:08,834 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:53:08,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 32, 33] total 67 [2024-10-13 12:53:08,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762790345] [2024-10-13 12:53:08,834 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:53:08,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2024-10-13 12:53:08,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:08,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2024-10-13 12:53:08,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1063, Invalid=3359, Unknown=0, NotChecked=0, Total=4422 [2024-10-13 12:53:08,838 INFO L87 Difference]: Start difference. First operand 76 states and 82 transitions. Second operand has 67 states, 67 states have (on average 1.9402985074626866) internal successors, (130), 67 states have internal predecessors, (130), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-13 12:53:09,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:09,011 INFO L93 Difference]: Finished difference Result 166 states and 202 transitions. [2024-10-13 12:53:09,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-10-13 12:53:09,012 INFO L78 Accepts]: Start accepts. Automaton has has 67 states, 67 states have (on average 1.9402985074626866) internal successors, (130), 67 states have internal predecessors, (130), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 74 [2024-10-13 12:53:09,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:09,013 INFO L225 Difference]: With dead ends: 166 [2024-10-13 12:53:09,013 INFO L226 Difference]: Without dead ends: 137 [2024-10-13 12:53:09,015 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1171 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1063, Invalid=3359, Unknown=0, NotChecked=0, Total=4422 [2024-10-13 12:53:09,016 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 14 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:09,016 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 217 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:53:09,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-10-13 12:53:09,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 132. [2024-10-13 12:53:09,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 125 states have (on average 1.096) internal successors, (137), 128 states have internal predecessors, (137), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 12:53:09,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 141 transitions. [2024-10-13 12:53:09,024 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 141 transitions. Word has length 74 [2024-10-13 12:53:09,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:09,024 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 141 transitions. [2024-10-13 12:53:09,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 1.9402985074626866) internal successors, (130), 67 states have internal predecessors, (130), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-13 12:53:09,025 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 141 transitions. [2024-10-13 12:53:09,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-10-13 12:53:09,026 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:09,026 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:09,044 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 12:53:09,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-13 12:53:09,231 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 12:53:09,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:09,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1855331028, now seen corresponding path program 2 times [2024-10-13 12:53:09,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:09,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579526858] [2024-10-13 12:53:09,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:09,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:09,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:09,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 12:53:09,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:09,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 12:53:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:09,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1468 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1468 trivial. 0 not checked. [2024-10-13 12:53:09,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:09,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579526858] [2024-10-13 12:53:09,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579526858] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:53:09,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:53:09,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 12:53:09,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473567794] [2024-10-13 12:53:09,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:53:09,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 12:53:09,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:09,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 12:53:09,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:53:09,403 INFO L87 Difference]: Start difference. First operand 132 states and 141 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 12:53:09,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:09,433 INFO L93 Difference]: Finished difference Result 136 states and 145 transitions. [2024-10-13 12:53:09,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:53:09,434 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 132 [2024-10-13 12:53:09,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:09,435 INFO L225 Difference]: With dead ends: 136 [2024-10-13 12:53:09,435 INFO L226 Difference]: Without dead ends: 134 [2024-10-13 12:53:09,435 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 12:53:09,436 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 1 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 73 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 12:53:09,436 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 73 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:53:09,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2024-10-13 12:53:09,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2024-10-13 12:53:09,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 127 states have (on average 1.094488188976378) internal successors, (139), 130 states have internal predecessors, (139), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 12:53:09,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 143 transitions. [2024-10-13 12:53:09,446 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 143 transitions. Word has length 132 [2024-10-13 12:53:09,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:09,448 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 143 transitions. [2024-10-13 12:53:09,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 12:53:09,449 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 143 transitions. [2024-10-13 12:53:09,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-10-13 12:53:09,450 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:09,450 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:09,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-13 12:53:09,450 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 12:53:09,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:09,451 INFO L85 PathProgramCache]: Analyzing trace with hash -232451746, now seen corresponding path program 1 times [2024-10-13 12:53:09,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:09,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822231386] [2024-10-13 12:53:09,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:09,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:09,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:09,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 12:53:09,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:09,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 12:53:09,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:09,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1470 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1468 trivial. 0 not checked. [2024-10-13 12:53:09,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:09,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822231386] [2024-10-13 12:53:09,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822231386] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:53:09,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [426195204] [2024-10-13 12:53:09,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:09,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:09,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:53:09,681 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 12:53:09,683 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 12:53:09,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:09,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-10-13 12:53:09,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:53:11,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1470 backedges. 0 proven. 1426 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-10-13 12:53:11,370 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:53:14,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1470 backedges. 0 proven. 1426 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-10-13 12:53:14,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [426195204] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:53:14,295 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:53:14,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 64, 65] total 131 [2024-10-13 12:53:14,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890632198] [2024-10-13 12:53:14,295 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:53:14,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 131 states [2024-10-13 12:53:14,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:14,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2024-10-13 12:53:14,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4166, Invalid=12864, Unknown=0, NotChecked=0, Total=17030 [2024-10-13 12:53:14,301 INFO L87 Difference]: Start difference. First operand 134 states and 143 transitions. Second operand has 131 states, 131 states have (on average 1.7557251908396947) internal successors, (230), 131 states have internal predecessors, (230), 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 12:53:14,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:14,641 INFO L93 Difference]: Finished difference Result 272 states and 323 transitions. [2024-10-13 12:53:14,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2024-10-13 12:53:14,642 INFO L78 Accepts]: Start accepts. Automaton has has 131 states, 131 states have (on average 1.7557251908396947) internal successors, (230), 131 states have internal predecessors, (230), 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 135 [2024-10-13 12:53:14,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:14,643 INFO L225 Difference]: With dead ends: 272 [2024-10-13 12:53:14,643 INFO L226 Difference]: Without dead ends: 233 [2024-10-13 12:53:14,647 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4773 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=4166, Invalid=12864, Unknown=0, NotChecked=0, Total=17030 [2024-10-13 12:53:14,648 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 1 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:14,648 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 216 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 12:53:14,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2024-10-13 12:53:14,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 232. [2024-10-13 12:53:14,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 225 states have (on average 1.0533333333333332) internal successors, (237), 228 states have internal predecessors, (237), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 12:53:14,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 241 transitions. [2024-10-13 12:53:14,656 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 241 transitions. Word has length 135 [2024-10-13 12:53:14,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:14,657 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 241 transitions. [2024-10-13 12:53:14,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 131 states, 131 states have (on average 1.7557251908396947) internal successors, (230), 131 states have internal predecessors, (230), 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 12:53:14,657 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 241 transitions. [2024-10-13 12:53:14,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2024-10-13 12:53:14,659 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:14,659 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:14,674 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 12:53:14,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-13 12:53:14,860 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 12:53:14,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:14,861 INFO L85 PathProgramCache]: Analyzing trace with hash 2099171492, now seen corresponding path program 1 times [2024-10-13 12:53:14,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:14,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390184760] [2024-10-13 12:53:14,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:14,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:14,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:15,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 12:53:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:15,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 12:53:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:15,102 INFO L134 CoverageAnalysis]: Checked inductivity of 5967 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5965 trivial. 0 not checked. [2024-10-13 12:53:15,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:15,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390184760] [2024-10-13 12:53:15,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390184760] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:53:15,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:53:15,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 12:53:15,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492568900] [2024-10-13 12:53:15,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:53:15,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 12:53:15,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:15,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 12:53:15,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 12:53:15,104 INFO L87 Difference]: Start difference. First operand 232 states and 241 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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 12:53:15,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:15,124 INFO L93 Difference]: Finished difference Result 232 states and 241 transitions. [2024-10-13 12:53:15,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 12:53:15,125 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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 232 [2024-10-13 12:53:15,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:15,126 INFO L225 Difference]: With dead ends: 232 [2024-10-13 12:53:15,126 INFO L226 Difference]: Without dead ends: 231 [2024-10-13 12:53:15,128 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 12:53:15,128 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 50 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 12:53:15,128 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 50 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:53:15,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-10-13 12:53:15,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2024-10-13 12:53:15,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 225 states have (on average 1.048888888888889) internal successors, (236), 227 states have internal predecessors, (236), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 12:53:15,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 240 transitions. [2024-10-13 12:53:15,136 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 240 transitions. Word has length 232 [2024-10-13 12:53:15,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:15,137 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 240 transitions. [2024-10-13 12:53:15,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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 12:53:15,137 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 240 transitions. [2024-10-13 12:53:15,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-10-13 12:53:15,139 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:15,140 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:15,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-13 12:53:15,140 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 12:53:15,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:15,140 INFO L85 PathProgramCache]: Analyzing trace with hash 649809300, now seen corresponding path program 1 times [2024-10-13 12:53:15,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:15,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147455591] [2024-10-13 12:53:15,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:15,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:15,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:15,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 12:53:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:15,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 12:53:15,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:15,353 INFO L134 CoverageAnalysis]: Checked inductivity of 5968 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5966 trivial. 0 not checked. [2024-10-13 12:53:15,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:15,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147455591] [2024-10-13 12:53:15,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147455591] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:53:15,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:53:15,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 12:53:15,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397065502] [2024-10-13 12:53:15,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:53:15,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 12:53:15,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:15,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 12:53:15,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:53:15,355 INFO L87 Difference]: Start difference. First operand 231 states and 240 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 12:53:15,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:15,382 INFO L93 Difference]: Finished difference Result 231 states and 240 transitions. [2024-10-13 12:53:15,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:53:15,383 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 233 [2024-10-13 12:53:15,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:15,384 INFO L225 Difference]: With dead ends: 231 [2024-10-13 12:53:15,384 INFO L226 Difference]: Without dead ends: 229 [2024-10-13 12:53:15,384 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 12:53:15,385 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 2 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:15,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 65 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:53:15,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-10-13 12:53:15,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 227. [2024-10-13 12:53:15,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 223 states have (on average 1.0403587443946187) internal successors, (232), 223 states have internal predecessors, (232), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 12:53:15,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 236 transitions. [2024-10-13 12:53:15,394 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 236 transitions. Word has length 233 [2024-10-13 12:53:15,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:15,395 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 236 transitions. [2024-10-13 12:53:15,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 12:53:15,395 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 236 transitions. [2024-10-13 12:53:15,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2024-10-13 12:53:15,397 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:15,397 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:15,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-13 12:53:15,398 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 12:53:15,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:15,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1330748108, now seen corresponding path program 1 times [2024-10-13 12:53:15,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:15,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934173288] [2024-10-13 12:53:15,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:15,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:15,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 12:53:15,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:15,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 12:53:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:15,627 INFO L134 CoverageAnalysis]: Checked inductivity of 5969 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5965 trivial. 0 not checked. [2024-10-13 12:53:15,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:15,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934173288] [2024-10-13 12:53:15,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934173288] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:53:15,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:53:15,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 12:53:15,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552988610] [2024-10-13 12:53:15,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:53:15,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 12:53:15,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:15,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 12:53:15,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:53:15,629 INFO L87 Difference]: Start difference. First operand 227 states and 236 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 12:53:15,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:15,651 INFO L93 Difference]: Finished difference Result 227 states and 236 transitions. [2024-10-13 12:53:15,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:53:15,651 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 234 [2024-10-13 12:53:15,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:15,652 INFO L225 Difference]: With dead ends: 227 [2024-10-13 12:53:15,652 INFO L226 Difference]: Without dead ends: 0 [2024-10-13 12:53:15,653 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 12:53:15,653 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:15,653 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:53:15,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-13 12:53:15,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-13 12:53:15,654 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 12:53:15,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-13 12:53:15,654 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 234 [2024-10-13 12:53:15,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:15,654 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 12:53:15,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 12:53:15,654 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-13 12:53:15,654 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-13 12:53:15,659 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-10-13 12:53:15,660 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-10-13 12:53:15,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-10-13 12:53:15,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-10-13 12:53:15,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-10-13 12:53:15,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-10-13 12:53:15,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location xorErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-10-13 12:53:15,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location xorErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-10-13 12:53:15,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-13 12:53:15,664 INFO L407 BasicCegarLoop]: Path program histogram: [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:15,666 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-13 12:53:15,757 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 12:53:15,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:53:15 BoogieIcfgContainer [2024-10-13 12:53:15,772 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 12:53:15,773 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 12:53:15,773 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 12:53:15,773 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 12:53:15,774 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:53:00" (3/4) ... [2024-10-13 12:53:15,775 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 12:53:15,779 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure xor [2024-10-13 12:53:15,785 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2024-10-13 12:53:15,785 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-10-13 12:53:15,785 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-13 12:53:15,785 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 12:53:15,785 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 12:53:15,881 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 12:53:15,882 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 12:53:15,882 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 12:53:15,882 INFO L158 Benchmark]: Toolchain (without parser) took 15751.09ms. Allocated memory was 172.0MB in the beginning and 249.6MB in the end (delta: 77.6MB). Free memory was 103.2MB in the beginning and 109.2MB in the end (delta: -6.1MB). Peak memory consumption was 72.8MB. Max. memory is 16.1GB. [2024-10-13 12:53:15,882 INFO L158 Benchmark]: CDTParser took 0.96ms. Allocated memory is still 113.2MB. Free memory is still 77.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 12:53:15,883 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.13ms. Allocated memory is still 172.0MB. Free memory was 103.0MB in the beginning and 142.9MB in the end (delta: -39.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-13 12:53:15,883 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.78ms. Allocated memory is still 172.0MB. Free memory was 142.9MB in the beginning and 141.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 12:53:15,883 INFO L158 Benchmark]: Boogie Preprocessor took 42.25ms. Allocated memory is still 172.0MB. Free memory was 141.0MB in the beginning and 138.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 12:53:15,883 INFO L158 Benchmark]: RCFGBuilder took 478.03ms. Allocated memory is still 172.0MB. Free memory was 138.9MB in the beginning and 122.8MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-13 12:53:15,884 INFO L158 Benchmark]: TraceAbstraction took 14783.93ms. Allocated memory was 172.0MB in the beginning and 249.6MB in the end (delta: 77.6MB). Free memory was 122.1MB in the beginning and 114.5MB in the end (delta: 7.7MB). Peak memory consumption was 86.8MB. Max. memory is 16.1GB. [2024-10-13 12:53:15,884 INFO L158 Benchmark]: Witness Printer took 108.86ms. Allocated memory is still 249.6MB. Free memory was 114.5MB in the beginning and 109.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 12:53:15,885 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.96ms. Allocated memory is still 113.2MB. Free memory is still 77.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.13ms. Allocated memory is still 172.0MB. Free memory was 103.0MB in the beginning and 142.9MB in the end (delta: -39.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.78ms. Allocated memory is still 172.0MB. Free memory was 142.9MB in the beginning and 141.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.25ms. Allocated memory is still 172.0MB. Free memory was 141.0MB in the beginning and 138.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 478.03ms. Allocated memory is still 172.0MB. Free memory was 138.9MB in the beginning and 122.8MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 14783.93ms. Allocated memory was 172.0MB in the beginning and 249.6MB in the end (delta: 77.6MB). Free memory was 122.1MB in the beginning and 114.5MB in the end (delta: 7.7MB). Peak memory consumption was 86.8MB. Max. memory is 16.1GB. * Witness Printer took 108.86ms. Allocated memory is still 249.6MB. Free memory was 114.5MB in the beginning and 109.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: 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, 41 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 14.6s, OverallIterations: 17, TraceHistogramMax: 63, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 47 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 47 mSDsluCounter, 1952 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1452 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 996 IncrementalHoareTripleChecker+Invalid, 1007 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 500 mSDtfsCounter, 996 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 890 GetRequests, 577 SyntacticMatches, 0 SemanticMatches, 313 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6704 ImplicationChecksByTransitivity, 6.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=232occurred in iteration=14, InterpolantAutomatonStates: 297, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 17 MinimizatonAttempts, 18 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 9.5s InterpolantComputationTime, 1897 NumberOfCodeBlocks, 1855 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 2145 ConstructedInterpolants, 0 QuantifiedInterpolants, 3163 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2149 ConjunctsInSsa, 138 ConjunctsInUnsatCore, 31 InterpolantComputations, 12 PerfectInterpolantSequences, 23350/27478 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 8 specifications checked. All of them hold - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: ((i == 0) || (0 < i)) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (0 < (2147483650 + i)) - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: ((i == 1) || (1 < i)) RESULT: Ultimate proved your program to be correct! [2024-10-13 12:53:15,913 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