./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_08_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 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/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_08_good.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 64bit --witnessprinter.graph.data.programhash 49988e9645477874282b5a4c8f3947bb845a29899f2cd8be15967a5457c91d03 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 22:08:13,210 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 22:08:13,281 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-14 22:08:13,299 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 22:08:13,301 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 22:08:13,323 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 22:08:13,324 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 22:08:13,324 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 22:08:13,324 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 22:08:13,325 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 22:08:13,325 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 22:08:13,326 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 22:08:13,326 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 22:08:13,326 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 22:08:13,327 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 22:08:13,328 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 22:08:13,330 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 22:08:13,330 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 22:08:13,332 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 22:08:13,333 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 22:08:13,333 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 22:08:13,334 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 22:08:13,334 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 22:08:13,335 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 22:08:13,336 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 22:08:13,336 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 22:08:13,336 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 22:08:13,337 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 22:08:13,337 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 22:08:13,337 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 22:08:13,338 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 22:08:13,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 22:08:13,338 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 22:08:13,339 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 22:08:13,339 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 22:08:13,340 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 22:08:13,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 22:08:13,340 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 22:08:13,341 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 22:08:13,341 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 22:08:13,341 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 22:08:13,342 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49988e9645477874282b5a4c8f3947bb845a29899f2cd8be15967a5457c91d03 [2024-10-14 22:08:13,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 22:08:13,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 22:08:13,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 22:08:13,638 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 22:08:13,638 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 22:08:13,639 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_08_good.i [2024-10-14 22:08:15,124 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 22:08:15,445 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 22:08:15,446 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_08_good.i [2024-10-14 22:08:15,475 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afb07eb0c/31ac9918b8934d77931626fbe5af9d94/FLAGdaa1641a2 [2024-10-14 22:08:15,490 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afb07eb0c/31ac9918b8934d77931626fbe5af9d94 [2024-10-14 22:08:15,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 22:08:15,494 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 22:08:15,496 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 22:08:15,496 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 22:08:15,508 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 22:08:15,511 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:08:15" (1/1) ... [2024-10-14 22:08:15,512 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30c9ca60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:15, skipping insertion in model container [2024-10-14 22:08:15,512 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:08:15" (1/1) ... [2024-10-14 22:08:15,573 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 22:08:16,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 22:08:16,278 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 22:08:16,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 22:08:16,507 INFO L204 MainTranslator]: Completed translation [2024-10-14 22:08:16,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:16 WrapperNode [2024-10-14 22:08:16,508 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 22:08:16,509 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 22:08:16,509 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 22:08:16,509 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 22:08:16,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:16" (1/1) ... [2024-10-14 22:08:16,548 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:16" (1/1) ... [2024-10-14 22:08:16,580 INFO L138 Inliner]: procedures = 503, calls = 46, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 141 [2024-10-14 22:08:16,581 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 22:08:16,581 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 22:08:16,582 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 22:08:16,582 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 22:08:16,596 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:16" (1/1) ... [2024-10-14 22:08:16,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:16" (1/1) ... [2024-10-14 22:08:16,604 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:16" (1/1) ... [2024-10-14 22:08:16,627 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-14 22:08:16,628 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:16" (1/1) ... [2024-10-14 22:08:16,628 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:16" (1/1) ... [2024-10-14 22:08:16,653 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:16" (1/1) ... [2024-10-14 22:08:16,657 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:16" (1/1) ... [2024-10-14 22:08:16,658 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:16" (1/1) ... [2024-10-14 22:08:16,663 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:16" (1/1) ... [2024-10-14 22:08:16,665 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 22:08:16,666 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 22:08:16,669 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 22:08:16,669 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 22:08:16,670 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:16" (1/1) ... [2024-10-14 22:08:16,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 22:08:16,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 22:08:16,704 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) [2024-10-14 22:08:16,723 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 [2024-10-14 22:08:16,769 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-10-14 22:08:16,769 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-10-14 22:08:16,770 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-14 22:08:16,770 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-14 22:08:16,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 22:08:16,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 22:08:16,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 22:08:16,770 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-10-14 22:08:16,771 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-10-14 22:08:16,771 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2024-10-14 22:08:16,771 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2024-10-14 22:08:16,934 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 22:08:16,936 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 22:08:17,112 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-10-14 22:08:17,113 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 22:08:17,145 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 22:08:17,146 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 22:08:17,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:08:17 BoogieIcfgContainer [2024-10-14 22:08:17,146 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 22:08:17,148 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 22:08:17,149 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 22:08:17,152 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 22:08:17,152 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:08:15" (1/3) ... [2024-10-14 22:08:17,153 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e072ebf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:08:17, skipping insertion in model container [2024-10-14 22:08:17,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:16" (2/3) ... [2024-10-14 22:08:17,154 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e072ebf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:08:17, skipping insertion in model container [2024-10-14 22:08:17,154 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:08:17" (3/3) ... [2024-10-14 22:08:17,156 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_postinc_08_good.i [2024-10-14 22:08:17,182 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 22:08:17,182 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-10-14 22:08:17,256 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 22:08:17,263 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;@45ddfd0e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 22:08:17,264 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-14 22:08:17,269 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 47 states have (on average 1.4042553191489362) internal successors, (66), 55 states have internal predecessors, (66), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-14 22:08:17,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-14 22:08:17,276 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:08:17,277 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 22:08:17,278 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)] === [2024-10-14 22:08:17,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:08:17,284 INFO L85 PathProgramCache]: Analyzing trace with hash 55766273, now seen corresponding path program 1 times [2024-10-14 22:08:17,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 22:08:17,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183468945] [2024-10-14 22:08:17,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:08:17,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 22:08:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:17,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 22:08:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:17,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 22:08:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:17,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 22:08:17,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:17,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 22:08:17,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 22:08:17,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183468945] [2024-10-14 22:08:17,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183468945] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 22:08:17,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 22:08:17,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 22:08:17,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079700208] [2024-10-14 22:08:17,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 22:08:17,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 22:08:17,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 22:08:17,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 22:08:17,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 22:08:17,761 INFO L87 Difference]: Start difference. First operand has 78 states, 47 states have (on average 1.4042553191489362) internal successors, (66), 55 states have internal predecessors, (66), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-14 22:08:17,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 22:08:17,842 INFO L93 Difference]: Finished difference Result 79 states and 103 transitions. [2024-10-14 22:08:17,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 22:08:17,845 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 19 [2024-10-14 22:08:17,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 22:08:17,857 INFO L225 Difference]: With dead ends: 79 [2024-10-14 22:08:17,857 INFO L226 Difference]: Without dead ends: 72 [2024-10-14 22:08:17,860 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 22:08:17,863 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 5 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 22:08:17,864 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 257 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 22:08:17,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-10-14 22:08:17,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 71. [2024-10-14 22:08:17,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 50 states have internal predecessors, (60), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-14 22:08:17,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 92 transitions. [2024-10-14 22:08:17,900 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 92 transitions. Word has length 19 [2024-10-14 22:08:17,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 22:08:17,901 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 92 transitions. [2024-10-14 22:08:17,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-14 22:08:17,902 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 92 transitions. [2024-10-14 22:08:17,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-14 22:08:17,903 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:08:17,904 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 22:08:17,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 22:08:17,904 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 22:08:17,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:08:17,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1728754533, now seen corresponding path program 1 times [2024-10-14 22:08:17,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 22:08:17,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837736192] [2024-10-14 22:08:17,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:08:17,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 22:08:17,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:17,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 22:08:17,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:17,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 22:08:17,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:17,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 22:08:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:17,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 22:08:17,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 22:08:17,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837736192] [2024-10-14 22:08:17,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837736192] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 22:08:17,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 22:08:17,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 22:08:17,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045404369] [2024-10-14 22:08:17,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 22:08:17,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 22:08:17,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 22:08:17,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 22:08:17,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 22:08:17,996 INFO L87 Difference]: Start difference. First operand 71 states and 92 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 22:08:18,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 22:08:18,023 INFO L93 Difference]: Finished difference Result 71 states and 92 transitions. [2024-10-14 22:08:18,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 22:08:18,024 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2024-10-14 22:08:18,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 22:08:18,025 INFO L225 Difference]: With dead ends: 71 [2024-10-14 22:08:18,025 INFO L226 Difference]: Without dead ends: 70 [2024-10-14 22:08:18,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 22:08:18,027 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 0 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 22:08:18,027 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 167 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 22:08:18,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-10-14 22:08:18,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2024-10-14 22:08:18,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 44 states have (on average 1.3409090909090908) internal successors, (59), 49 states have internal predecessors, (59), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-14 22:08:18,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 91 transitions. [2024-10-14 22:08:18,038 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 91 transitions. Word has length 20 [2024-10-14 22:08:18,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 22:08:18,038 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 91 transitions. [2024-10-14 22:08:18,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 22:08:18,039 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 91 transitions. [2024-10-14 22:08:18,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-10-14 22:08:18,040 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:08:18,040 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 22:08:18,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 22:08:18,041 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 22:08:18,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:08:18,041 INFO L85 PathProgramCache]: Analyzing trace with hash -447765931, now seen corresponding path program 1 times [2024-10-14 22:08:18,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 22:08:18,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423802756] [2024-10-14 22:08:18,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:08:18,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 22:08:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:18,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 22:08:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:18,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 22:08:18,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:18,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 22:08:18,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:18,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 22:08:18,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:18,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 22:08:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:18,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 22:08:18,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:18,210 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-14 22:08:18,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 22:08:18,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423802756] [2024-10-14 22:08:18,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423802756] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 22:08:18,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 22:08:18,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 22:08:18,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423993361] [2024-10-14 22:08:18,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 22:08:18,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 22:08:18,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 22:08:18,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 22:08:18,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 22:08:18,215 INFO L87 Difference]: Start difference. First operand 70 states and 91 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-14 22:08:18,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 22:08:18,256 INFO L93 Difference]: Finished difference Result 122 states and 155 transitions. [2024-10-14 22:08:18,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 22:08:18,257 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 36 [2024-10-14 22:08:18,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 22:08:18,259 INFO L225 Difference]: With dead ends: 122 [2024-10-14 22:08:18,260 INFO L226 Difference]: Without dead ends: 68 [2024-10-14 22:08:18,261 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 22:08:18,263 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 240 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 [2024-10-14 22:08:18,263 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 240 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 22:08:18,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-10-14 22:08:18,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2024-10-14 22:08:18,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 48 states have internal predecessors, (57), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-14 22:08:18,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 87 transitions. [2024-10-14 22:08:18,275 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 87 transitions. Word has length 36 [2024-10-14 22:08:18,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 22:08:18,275 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 87 transitions. [2024-10-14 22:08:18,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-14 22:08:18,275 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 87 transitions. [2024-10-14 22:08:18,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-10-14 22:08:18,276 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:08:18,277 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 22:08:18,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 22:08:18,277 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 22:08:18,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:08:18,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1190157882, now seen corresponding path program 1 times [2024-10-14 22:08:18,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 22:08:18,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486632885] [2024-10-14 22:08:18,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:08:18,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 22:08:18,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:18,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 22:08:18,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:18,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 22:08:18,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:18,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 22:08:18,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:18,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 22:08:18,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:18,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 22:08:18,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:18,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 22:08:18,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:18,388 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-14 22:08:18,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 22:08:18,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486632885] [2024-10-14 22:08:18,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486632885] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 22:08:18,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 22:08:18,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 22:08:18,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590644584] [2024-10-14 22:08:18,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 22:08:18,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 22:08:18,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 22:08:18,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 22:08:18,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 22:08:18,392 INFO L87 Difference]: Start difference. First operand 68 states and 87 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-14 22:08:18,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 22:08:18,439 INFO L93 Difference]: Finished difference Result 69 states and 88 transitions. [2024-10-14 22:08:18,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 22:08:18,439 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 37 [2024-10-14 22:08:18,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 22:08:18,441 INFO L225 Difference]: With dead ends: 69 [2024-10-14 22:08:18,442 INFO L226 Difference]: Without dead ends: 68 [2024-10-14 22:08:18,442 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 22:08:18,444 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 4 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 22:08:18,447 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 219 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 22:08:18,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-10-14 22:08:18,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 67. [2024-10-14 22:08:18,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 43 states have (on average 1.302325581395349) internal successors, (56), 47 states have internal predecessors, (56), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-14 22:08:18,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 86 transitions. [2024-10-14 22:08:18,459 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 86 transitions. Word has length 37 [2024-10-14 22:08:18,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 22:08:18,460 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 86 transitions. [2024-10-14 22:08:18,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-14 22:08:18,460 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2024-10-14 22:08:18,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-14 22:08:18,461 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:08:18,462 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 22:08:18,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 22:08:18,463 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 22:08:18,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:08:18,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1759811224, now seen corresponding path program 1 times [2024-10-14 22:08:18,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 22:08:18,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625552477] [2024-10-14 22:08:18,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:08:18,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 22:08:18,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:18,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 22:08:18,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:18,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 22:08:18,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:18,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 22:08:18,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:18,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 22:08:18,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:18,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 22:08:18,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:18,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 22:08:18,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:18,571 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-14 22:08:18,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 22:08:18,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625552477] [2024-10-14 22:08:18,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625552477] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 22:08:18,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 22:08:18,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 22:08:18,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940028955] [2024-10-14 22:08:18,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 22:08:18,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 22:08:18,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 22:08:18,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 22:08:18,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 22:08:18,576 INFO L87 Difference]: Start difference. First operand 67 states and 86 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, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-14 22:08:18,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 22:08:18,605 INFO L93 Difference]: Finished difference Result 67 states and 86 transitions. [2024-10-14 22:08:18,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 22:08:18,606 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, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 38 [2024-10-14 22:08:18,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 22:08:18,607 INFO L225 Difference]: With dead ends: 67 [2024-10-14 22:08:18,607 INFO L226 Difference]: Without dead ends: 66 [2024-10-14 22:08:18,608 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 22:08:18,608 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 0 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 22:08:18,609 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 155 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 22:08:18,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-10-14 22:08:18,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-10-14 22:08:18,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 43 states have (on average 1.2790697674418605) internal successors, (55), 46 states have internal predecessors, (55), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-14 22:08:18,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 85 transitions. [2024-10-14 22:08:18,624 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 85 transitions. Word has length 38 [2024-10-14 22:08:18,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 22:08:18,625 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 85 transitions. [2024-10-14 22:08:18,625 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, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-14 22:08:18,625 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 85 transitions. [2024-10-14 22:08:18,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-14 22:08:18,628 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:08:18,629 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 22:08:18,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 22:08:18,629 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 22:08:18,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:08:18,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1336940069, now seen corresponding path program 1 times [2024-10-14 22:08:18,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 22:08:18,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182930710] [2024-10-14 22:08:18,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:08:18,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 22:08:18,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:18,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 22:08:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:18,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 22:08:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:18,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 22:08:18,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:18,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 22:08:18,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:18,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 22:08:18,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:18,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 22:08:18,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:18,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 22:08:18,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:18,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 22:08:18,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:18,750 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-14 22:08:18,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 22:08:18,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182930710] [2024-10-14 22:08:18,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182930710] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 22:08:18,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1887387401] [2024-10-14 22:08:18,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:08:18,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 22:08:18,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 22:08:18,755 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) [2024-10-14 22:08:18,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 22:08:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:18,874 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 22:08:18,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 22:08:18,941 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 22:08:18,942 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 22:08:18,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1887387401] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 22:08:18,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 22:08:18,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-10-14 22:08:18,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918328845] [2024-10-14 22:08:18,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 22:08:18,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 22:08:18,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 22:08:18,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 22:08:18,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 22:08:18,945 INFO L87 Difference]: Start difference. First operand 66 states and 85 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-14 22:08:18,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 22:08:18,968 INFO L93 Difference]: Finished difference Result 102 states and 126 transitions. [2024-10-14 22:08:18,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 22:08:18,969 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 47 [2024-10-14 22:08:18,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 22:08:18,970 INFO L225 Difference]: With dead ends: 102 [2024-10-14 22:08:18,970 INFO L226 Difference]: Without dead ends: 66 [2024-10-14 22:08:18,971 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 22:08:18,972 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 0 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 231 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 [2024-10-14 22:08:18,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 231 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 22:08:18,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-10-14 22:08:18,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-10-14 22:08:18,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 43 states have (on average 1.255813953488372) internal successors, (54), 46 states have internal predecessors, (54), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-14 22:08:18,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 84 transitions. [2024-10-14 22:08:18,979 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 84 transitions. Word has length 47 [2024-10-14 22:08:18,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 22:08:18,980 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 84 transitions. [2024-10-14 22:08:18,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-14 22:08:18,980 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 84 transitions. [2024-10-14 22:08:18,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-14 22:08:18,982 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:08:18,982 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 22:08:19,002 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 22:08:19,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-14 22:08:19,183 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 22:08:19,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:08:19,184 INFO L85 PathProgramCache]: Analyzing trace with hash 798701980, now seen corresponding path program 1 times [2024-10-14 22:08:19,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 22:08:19,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532693195] [2024-10-14 22:08:19,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:08:19,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 22:08:19,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:19,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 22:08:19,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:19,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 22:08:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:19,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 22:08:19,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:19,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 22:08:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:19,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 22:08:19,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:19,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 22:08:19,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:19,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 22:08:19,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:19,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 22:08:19,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:19,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-14 22:08:19,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:19,274 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-14 22:08:19,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 22:08:19,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532693195] [2024-10-14 22:08:19,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532693195] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 22:08:19,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 22:08:19,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 22:08:19,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518430710] [2024-10-14 22:08:19,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 22:08:19,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 22:08:19,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 22:08:19,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 22:08:19,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 22:08:19,280 INFO L87 Difference]: Start difference. First operand 66 states and 84 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-14 22:08:19,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 22:08:19,321 INFO L93 Difference]: Finished difference Result 74 states and 94 transitions. [2024-10-14 22:08:19,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 22:08:19,322 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 54 [2024-10-14 22:08:19,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 22:08:19,323 INFO L225 Difference]: With dead ends: 74 [2024-10-14 22:08:19,323 INFO L226 Difference]: Without dead ends: 72 [2024-10-14 22:08:19,324 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 22:08:19,324 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 2 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 22:08:19,325 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 224 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 22:08:19,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-10-14 22:08:19,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 71. [2024-10-14 22:08:19,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 47 states have (on average 1.2553191489361701) internal successors, (59), 50 states have internal predecessors, (59), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-14 22:08:19,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 91 transitions. [2024-10-14 22:08:19,332 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 91 transitions. Word has length 54 [2024-10-14 22:08:19,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 22:08:19,333 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 91 transitions. [2024-10-14 22:08:19,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-14 22:08:19,333 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 91 transitions. [2024-10-14 22:08:19,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-10-14 22:08:19,334 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:08:19,335 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 22:08:19,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 22:08:19,335 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 22:08:19,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:08:19,335 INFO L85 PathProgramCache]: Analyzing trace with hash 306557235, now seen corresponding path program 1 times [2024-10-14 22:08:19,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 22:08:19,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220895902] [2024-10-14 22:08:19,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:08:19,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 22:08:19,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:19,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 22:08:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:19,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 22:08:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:19,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 22:08:19,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:19,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 22:08:19,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:19,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 22:08:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:19,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 22:08:19,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:19,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 22:08:19,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:19,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 22:08:19,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:19,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-14 22:08:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:19,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 22:08:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:19,450 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-14 22:08:19,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 22:08:19,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220895902] [2024-10-14 22:08:19,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220895902] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 22:08:19,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 22:08:19,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 22:08:19,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792535179] [2024-10-14 22:08:19,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 22:08:19,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 22:08:19,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 22:08:19,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 22:08:19,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 22:08:19,454 INFO L87 Difference]: Start difference. First operand 71 states and 91 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-14 22:08:19,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 22:08:19,478 INFO L93 Difference]: Finished difference Result 92 states and 113 transitions. [2024-10-14 22:08:19,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 22:08:19,478 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 60 [2024-10-14 22:08:19,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 22:08:19,481 INFO L225 Difference]: With dead ends: 92 [2024-10-14 22:08:19,481 INFO L226 Difference]: Without dead ends: 62 [2024-10-14 22:08:19,481 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 22:08:19,483 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 0 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 213 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 [2024-10-14 22:08:19,484 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 213 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 22:08:19,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-10-14 22:08:19,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-10-14 22:08:19,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 42 states have (on average 1.1904761904761905) internal successors, (50), 43 states have internal predecessors, (50), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-14 22:08:19,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 78 transitions. [2024-10-14 22:08:19,489 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 78 transitions. Word has length 60 [2024-10-14 22:08:19,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 22:08:19,489 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 78 transitions. [2024-10-14 22:08:19,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-14 22:08:19,490 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2024-10-14 22:08:19,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-10-14 22:08:19,491 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:08:19,491 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 22:08:19,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 22:08:19,492 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 22:08:19,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:08:19,492 INFO L85 PathProgramCache]: Analyzing trace with hash 611705301, now seen corresponding path program 1 times [2024-10-14 22:08:19,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 22:08:19,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177242035] [2024-10-14 22:08:19,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:08:19,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 22:08:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:19,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 22:08:19,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:19,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 22:08:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:19,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 22:08:19,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:19,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 22:08:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:19,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 22:08:19,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:19,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 22:08:19,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:19,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 22:08:19,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:19,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 22:08:19,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:19,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-14 22:08:19,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:19,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 22:08:19,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:19,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 22:08:19,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:19,610 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-10-14 22:08:19,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 22:08:19,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177242035] [2024-10-14 22:08:19,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177242035] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 22:08:19,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427641164] [2024-10-14 22:08:19,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:08:19,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 22:08:19,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 22:08:19,613 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) [2024-10-14 22:08:19,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 22:08:19,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:19,706 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 22:08:19,708 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 22:08:19,736 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-14 22:08:19,737 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 22:08:19,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1427641164] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 22:08:19,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 22:08:19,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-10-14 22:08:19,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916165608] [2024-10-14 22:08:19,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 22:08:19,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 22:08:19,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 22:08:19,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 22:08:19,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 22:08:19,739 INFO L87 Difference]: Start difference. First operand 62 states and 78 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 22:08:19,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 22:08:19,757 INFO L93 Difference]: Finished difference Result 75 states and 92 transitions. [2024-10-14 22:08:19,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 22:08:19,758 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 65 [2024-10-14 22:08:19,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 22:08:19,759 INFO L225 Difference]: With dead ends: 75 [2024-10-14 22:08:19,759 INFO L226 Difference]: Without dead ends: 62 [2024-10-14 22:08:19,759 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 22:08:19,760 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 0 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 210 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 [2024-10-14 22:08:19,760 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 210 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 22:08:19,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-10-14 22:08:19,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-10-14 22:08:19,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 42 states have (on average 1.1666666666666667) internal successors, (49), 43 states have internal predecessors, (49), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-14 22:08:19,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 77 transitions. [2024-10-14 22:08:19,765 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 77 transitions. Word has length 65 [2024-10-14 22:08:19,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 22:08:19,766 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 77 transitions. [2024-10-14 22:08:19,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 22:08:19,766 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 77 transitions. [2024-10-14 22:08:19,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-14 22:08:19,767 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:08:19,767 INFO L215 NwaCegarLoop]: trace histogram [6, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 22:08:19,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-14 22:08:19,968 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,SelfDestructingSolverStorable8 [2024-10-14 22:08:19,968 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 22:08:19,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:08:19,969 INFO L85 PathProgramCache]: Analyzing trace with hash -812326662, now seen corresponding path program 1 times [2024-10-14 22:08:19,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 22:08:19,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885633355] [2024-10-14 22:08:19,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:08:19,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 22:08:19,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:20,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 22:08:20,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:20,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 22:08:20,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:20,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 22:08:20,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:20,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 22:08:20,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:20,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 22:08:20,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:20,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 22:08:20,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:20,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 22:08:20,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:20,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 22:08:20,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:20,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-14 22:08:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:20,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 22:08:20,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:20,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-14 22:08:20,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:20,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 22:08:20,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:20,075 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-10-14 22:08:20,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 22:08:20,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885633355] [2024-10-14 22:08:20,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885633355] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 22:08:20,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 22:08:20,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 22:08:20,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666990561] [2024-10-14 22:08:20,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 22:08:20,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 22:08:20,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 22:08:20,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 22:08:20,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 22:08:20,077 INFO L87 Difference]: Start difference. First operand 62 states and 77 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 22:08:20,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 22:08:20,105 INFO L93 Difference]: Finished difference Result 69 states and 84 transitions. [2024-10-14 22:08:20,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 22:08:20,105 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 71 [2024-10-14 22:08:20,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 22:08:20,106 INFO L225 Difference]: With dead ends: 69 [2024-10-14 22:08:20,106 INFO L226 Difference]: Without dead ends: 62 [2024-10-14 22:08:20,107 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 22:08:20,107 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 1 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 215 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 [2024-10-14 22:08:20,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 215 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 22:08:20,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-10-14 22:08:20,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-10-14 22:08:20,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 42 states have (on average 1.1428571428571428) internal successors, (48), 43 states have internal predecessors, (48), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-14 22:08:20,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 76 transitions. [2024-10-14 22:08:20,116 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 76 transitions. Word has length 71 [2024-10-14 22:08:20,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 22:08:20,117 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 76 transitions. [2024-10-14 22:08:20,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 22:08:20,117 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 76 transitions. [2024-10-14 22:08:20,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-14 22:08:20,118 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:08:20,118 INFO L215 NwaCegarLoop]: trace histogram [6, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 22:08:20,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 22:08:20,118 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 22:08:20,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:08:20,119 INFO L85 PathProgramCache]: Analyzing trace with hash 962680700, now seen corresponding path program 1 times [2024-10-14 22:08:20,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 22:08:20,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913810939] [2024-10-14 22:08:20,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:08:20,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 22:08:20,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:20,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 22:08:20,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:20,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 22:08:20,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:20,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 22:08:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:20,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 22:08:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:20,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 22:08:20,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:20,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 22:08:20,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:20,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 22:08:20,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:20,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 22:08:20,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:20,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-14 22:08:20,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:20,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 22:08:20,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:20,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-14 22:08:20,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:20,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 22:08:20,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:20,209 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-14 22:08:20,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 22:08:20,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913810939] [2024-10-14 22:08:20,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913810939] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 22:08:20,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1960586187] [2024-10-14 22:08:20,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:08:20,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 22:08:20,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 22:08:20,212 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) [2024-10-14 22:08:20,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 22:08:20,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:08:20,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 22:08:20,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 22:08:20,338 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 22:08:20,339 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 22:08:20,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1960586187] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 22:08:20,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 22:08:20,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-10-14 22:08:20,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79343713] [2024-10-14 22:08:20,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 22:08:20,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 22:08:20,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 22:08:20,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 22:08:20,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 22:08:20,342 INFO L87 Difference]: Start difference. First operand 62 states and 76 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 22:08:20,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 22:08:20,357 INFO L93 Difference]: Finished difference Result 64 states and 77 transitions. [2024-10-14 22:08:20,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 22:08:20,358 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 71 [2024-10-14 22:08:20,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 22:08:20,359 INFO L225 Difference]: With dead ends: 64 [2024-10-14 22:08:20,359 INFO L226 Difference]: Without dead ends: 0 [2024-10-14 22:08:20,359 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 22:08:20,360 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 0 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 22:08:20,360 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 187 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 22:08:20,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-14 22:08:20,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-14 22:08:20,361 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) [2024-10-14 22:08:20,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-14 22:08:20,361 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2024-10-14 22:08:20,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 22:08:20,361 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-14 22:08:20,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 22:08:20,361 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-14 22:08:20,361 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-14 22:08:20,365 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-10-14 22:08:20,365 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-10-14 22:08:20,365 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-10-14 22:08:20,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-10-14 22:08:20,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-10-14 22:08:20,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-10-14 22:08:20,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-10-14 22:08:20,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-10-14 22:08:20,383 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-14 22:08:20,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 22:08:20,570 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 22:08:20,572 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-14 22:08:20,618 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 22:08:20,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 10:08:20 BoogieIcfgContainer [2024-10-14 22:08:20,635 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 22:08:20,636 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 22:08:20,636 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 22:08:20,636 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 22:08:20,636 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:08:17" (3/4) ... [2024-10-14 22:08:20,638 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 22:08:20,641 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-10-14 22:08:20,642 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsFalse [2024-10-14 22:08:20,642 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-10-14 22:08:20,642 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue [2024-10-14 22:08:20,647 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-10-14 22:08:20,647 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-10-14 22:08:20,648 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-14 22:08:20,648 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 22:08:20,733 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 22:08:20,734 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 22:08:20,734 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 22:08:20,734 INFO L158 Benchmark]: Toolchain (without parser) took 5239.91ms. Allocated memory was 184.5MB in the beginning and 230.7MB in the end (delta: 46.1MB). Free memory was 122.9MB in the beginning and 87.9MB in the end (delta: 35.0MB). Peak memory consumption was 82.0MB. Max. memory is 16.1GB. [2024-10-14 22:08:20,735 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 184.5MB. Free memory was 149.7MB in the beginning and 149.4MB in the end (delta: 293.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 22:08:20,735 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1012.17ms. Allocated memory is still 184.5MB. Free memory was 122.9MB in the beginning and 57.0MB in the end (delta: 65.9MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-10-14 22:08:20,735 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.14ms. Allocated memory is still 184.5MB. Free memory was 57.0MB in the beginning and 53.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 22:08:20,735 INFO L158 Benchmark]: Boogie Preprocessor took 83.80ms. Allocated memory is still 184.5MB. Free memory was 53.7MB in the beginning and 151.1MB in the end (delta: -97.4MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2024-10-14 22:08:20,736 INFO L158 Benchmark]: RCFGBuilder took 480.44ms. Allocated memory was 184.5MB in the beginning and 230.7MB in the end (delta: 46.1MB). Free memory was 151.0MB in the beginning and 180.6MB in the end (delta: -29.6MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2024-10-14 22:08:20,736 INFO L158 Benchmark]: TraceAbstraction took 3486.70ms. Allocated memory is still 230.7MB. Free memory was 180.6MB in the beginning and 94.2MB in the end (delta: 86.4MB). Peak memory consumption was 86.4MB. Max. memory is 16.1GB. [2024-10-14 22:08:20,737 INFO L158 Benchmark]: Witness Printer took 98.34ms. Allocated memory is still 230.7MB. Free memory was 94.2MB in the beginning and 87.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-14 22:08:20,738 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 184.5MB. Free memory was 149.7MB in the beginning and 149.4MB in the end (delta: 293.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1012.17ms. Allocated memory is still 184.5MB. Free memory was 122.9MB in the beginning and 57.0MB in the end (delta: 65.9MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.14ms. Allocated memory is still 184.5MB. Free memory was 57.0MB in the beginning and 53.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.80ms. Allocated memory is still 184.5MB. Free memory was 53.7MB in the beginning and 151.1MB in the end (delta: -97.4MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * RCFGBuilder took 480.44ms. Allocated memory was 184.5MB in the beginning and 230.7MB in the end (delta: 46.1MB). Free memory was 151.0MB in the beginning and 180.6MB in the end (delta: -29.6MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3486.70ms. Allocated memory is still 230.7MB. Free memory was 180.6MB in the beginning and 94.2MB in the end (delta: 86.4MB). Peak memory consumption was 86.4MB. Max. memory is 16.1GB. * Witness Printer took 98.34ms. Allocated memory is still 230.7MB. Free memory was 94.2MB in the beginning and 87.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1594]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1594]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: 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 5 procedures, 78 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 11, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 2318 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1469 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 226 IncrementalHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 849 mSDtfsCounter, 226 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 383 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=0, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 3 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 701 NumberOfCodeBlocks, 701 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 687 ConstructedInterpolants, 0 QuantifiedInterpolants, 799 SizeOfPredicates, 0 NumberOfNonLiveVariables, 597 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 264/268 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 - ProcedureContractResult [Line: 1552]: Procedure Contract for staticReturnsFalse Derived contract for procedure staticReturnsFalse. Ensures: (\result == 0) - ProcedureContractResult [Line: 1548]: Procedure Contract for staticReturnsTrue Derived contract for procedure staticReturnsTrue. Ensures: (1 <= \result) RESULT: Ultimate proved your program to be correct! [2024-10-14 22:08:20,760 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