./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_add_08_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_08_good.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 6686bf4630552f072d8c9f4a2840dc11defb498badf4acf7ac6bbd53cabc98e5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 22:08:48,201 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 22:08:48,285 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-11 22:08:48,289 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 22:08:48,292 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 22:08:48,314 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 22:08:48,314 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 22:08:48,315 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 22:08:48,315 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 22:08:48,316 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 22:08:48,316 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 22:08:48,316 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 22:08:48,317 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 22:08:48,317 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 22:08:48,318 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 22:08:48,318 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 22:08:48,319 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 22:08:48,319 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 22:08:48,319 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 22:08:48,320 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 22:08:48,320 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 22:08:48,321 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 22:08:48,321 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 22:08:48,321 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 22:08:48,322 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 22:08:48,322 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 22:08:48,323 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 22:08:48,323 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 22:08:48,323 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 22:08:48,324 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 22:08:48,324 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 22:08:48,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 22:08:48,325 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 22:08:48,325 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 22:08:48,325 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 22:08:48,326 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 22:08:48,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 22:08:48,326 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 22:08:48,327 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 22:08:48,327 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 22:08:48,327 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 22:08:48,328 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6686bf4630552f072d8c9f4a2840dc11defb498badf4acf7ac6bbd53cabc98e5 [2024-10-11 22:08:48,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 22:08:48,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 22:08:48,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 22:08:48,616 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 22:08:48,616 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 22:08:48,617 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_08_good.i [2024-10-11 22:08:50,114 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 22:08:50,414 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 22:08:50,415 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_08_good.i [2024-10-11 22:08:50,438 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/654c01e2a/f8a66842a5464988a1e4b092e22420b3/FLAG63acdc405 [2024-10-11 22:08:50,689 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/654c01e2a/f8a66842a5464988a1e4b092e22420b3 [2024-10-11 22:08:50,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 22:08:50,693 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 22:08:50,694 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 22:08:50,694 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 22:08:50,701 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 22:08:50,702 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 10:08:50" (1/1) ... [2024-10-11 22:08:50,704 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71ff4275 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:08:50, skipping insertion in model container [2024-10-11 22:08:50,705 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 10:08:50" (1/1) ... [2024-10-11 22:08:50,765 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 22:08:51,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 22:08:51,484 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 22:08:51,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 22:08:51,653 INFO L204 MainTranslator]: Completed translation [2024-10-11 22:08:51,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:08:51 WrapperNode [2024-10-11 22:08:51,653 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 22:08:51,654 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 22:08:51,654 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 22:08:51,654 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 22:08:51,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:08:51" (1/1) ... [2024-10-11 22:08:51,685 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:08:51" (1/1) ... [2024-10-11 22:08:51,713 INFO L138 Inliner]: procedures = 503, calls = 46, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 129 [2024-10-11 22:08:51,714 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 22:08:51,715 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 22:08:51,715 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 22:08:51,715 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 22:08:51,725 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:08:51" (1/1) ... [2024-10-11 22:08:51,725 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:08:51" (1/1) ... [2024-10-11 22:08:51,728 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:08:51" (1/1) ... [2024-10-11 22:08:51,739 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-11 22:08:51,739 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:08:51" (1/1) ... [2024-10-11 22:08:51,740 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:08:51" (1/1) ... [2024-10-11 22:08:51,744 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:08:51" (1/1) ... [2024-10-11 22:08:51,746 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:08:51" (1/1) ... [2024-10-11 22:08:51,748 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:08:51" (1/1) ... [2024-10-11 22:08:51,749 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:08:51" (1/1) ... [2024-10-11 22:08:51,751 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 22:08:51,752 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 22:08:51,753 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 22:08:51,753 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 22:08:51,753 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:08:51" (1/1) ... [2024-10-11 22:08:51,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 22:08:51,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 22:08:51,793 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 22:08:51,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 22:08:51,837 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-10-11 22:08:51,837 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-10-11 22:08:51,837 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-11 22:08:51,837 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-11 22:08:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 22:08:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 22:08:51,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 22:08:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-10-11 22:08:51,838 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-10-11 22:08:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2024-10-11 22:08:51,838 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2024-10-11 22:08:51,996 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 22:08:51,998 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 22:08:52,172 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-10-11 22:08:52,172 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 22:08:52,210 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 22:08:52,211 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 22:08:52,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 10:08:52 BoogieIcfgContainer [2024-10-11 22:08:52,211 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 22:08:52,213 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 22:08:52,214 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 22:08:52,217 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 22:08:52,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 10:08:50" (1/3) ... [2024-10-11 22:08:52,218 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@556b137b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 10:08:52, skipping insertion in model container [2024-10-11 22:08:52,218 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:08:51" (2/3) ... [2024-10-11 22:08:52,218 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@556b137b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 10:08:52, skipping insertion in model container [2024-10-11 22:08:52,218 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 10:08:52" (3/3) ... [2024-10-11 22:08:52,219 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_add_08_good.i [2024-10-11 22:08:52,234 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 22:08:52,234 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-10-11 22:08:52,285 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 22:08:52,290 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;@30769da5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 22:08:52,290 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-11 22:08:52,294 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) [2024-10-11 22:08:52,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-11 22:08:52,301 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 22:08:52,301 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 22:08:52,302 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)] === [2024-10-11 22:08:52,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 22:08:52,306 INFO L85 PathProgramCache]: Analyzing trace with hash 55766273, now seen corresponding path program 1 times [2024-10-11 22:08:52,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 22:08:52,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334457380] [2024-10-11 22:08:52,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:08:52,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 22:08:52,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:52,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 22:08:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:52,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 22:08:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:52,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 22:08:52,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:52,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 22:08:52,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 22:08:52,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334457380] [2024-10-11 22:08:52,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334457380] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 22:08:52,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 22:08:52,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 22:08:52,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940648350] [2024-10-11 22:08:52,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 22:08:52,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 22:08:52,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 22:08:52,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 22:08:52,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 22:08:52,675 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 3 states, 2 states have (on average 6.5) internal successors, (13), 3 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) [2024-10-11 22:08:52,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 22:08:52,751 INFO L93 Difference]: Finished difference Result 79 states and 103 transitions. [2024-10-11 22:08:52,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 22:08:52,754 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 [2024-10-11 22:08:52,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 22:08:52,762 INFO L225 Difference]: With dead ends: 79 [2024-10-11 22:08:52,762 INFO L226 Difference]: Without dead ends: 72 [2024-10-11 22:08:52,764 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 [2024-10-11 22:08:52,767 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 5 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 22:08:52,768 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 169 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 22:08:52,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-10-11 22:08:52,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 71. [2024-10-11 22:08:52,801 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) [2024-10-11 22:08:52,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 92 transitions. [2024-10-11 22:08:52,804 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 92 transitions. Word has length 19 [2024-10-11 22:08:52,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 22:08:52,805 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 92 transitions. [2024-10-11 22:08:52,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-10-11 22:08:52,806 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 92 transitions. [2024-10-11 22:08:52,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-11 22:08:52,807 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 22:08:52,807 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] [2024-10-11 22:08:52,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 22:08:52,808 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)] === [2024-10-11 22:08:52,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 22:08:52,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1728754533, now seen corresponding path program 1 times [2024-10-11 22:08:52,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 22:08:52,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117730297] [2024-10-11 22:08:52,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:08:52,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 22:08:52,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:52,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 22:08:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:52,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 22:08:52,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:52,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 22:08:52,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:52,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 22:08:52,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 22:08:52,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117730297] [2024-10-11 22:08:52,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117730297] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 22:08:52,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 22:08:52,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 22:08:52,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869264556] [2024-10-11 22:08:52,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 22:08:52,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 22:08:52,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 22:08:52,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 22:08:52,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 22:08:52,890 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) [2024-10-11 22:08:52,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 22:08:52,936 INFO L93 Difference]: Finished difference Result 132 states and 170 transitions. [2024-10-11 22:08:52,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 22:08:52,937 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 [2024-10-11 22:08:52,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 22:08:52,938 INFO L225 Difference]: With dead ends: 132 [2024-10-11 22:08:52,938 INFO L226 Difference]: Without dead ends: 77 [2024-10-11 22:08:52,939 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 [2024-10-11 22:08:52,940 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 6 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 22:08:52,941 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 164 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 22:08:52,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-10-11 22:08:52,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 74. [2024-10-11 22:08:52,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 47 states have (on average 1.3404255319148937) internal successors, (63), 52 states have internal predecessors, (63), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-11 22:08:52,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 97 transitions. [2024-10-11 22:08:52,954 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 97 transitions. Word has length 20 [2024-10-11 22:08:52,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 22:08:52,955 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 97 transitions. [2024-10-11 22:08:52,955 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) [2024-10-11 22:08:52,955 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 97 transitions. [2024-10-11 22:08:52,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-10-11 22:08:52,956 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 22:08:52,957 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] [2024-10-11 22:08:52,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 22:08:52,957 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)] === [2024-10-11 22:08:52,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 22:08:52,958 INFO L85 PathProgramCache]: Analyzing trace with hash -447765931, now seen corresponding path program 1 times [2024-10-11 22:08:52,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 22:08:52,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995259051] [2024-10-11 22:08:52,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:08:52,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 22:08:52,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:53,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 22:08:53,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:53,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 22:08:53,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:53,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 22:08:53,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:53,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 22:08:53,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:53,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 22:08:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:53,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 22:08:53,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:53,136 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-11 22:08:53,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 22:08:53,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995259051] [2024-10-11 22:08:53,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995259051] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 22:08:53,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 22:08:53,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 22:08:53,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174857731] [2024-10-11 22:08:53,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 22:08:53,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 22:08:53,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 22:08:53,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 22:08:53,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 22:08:53,139 INFO L87 Difference]: Start difference. First operand 74 states and 97 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) [2024-10-11 22:08:53,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 22:08:53,170 INFO L93 Difference]: Finished difference Result 126 states and 161 transitions. [2024-10-11 22:08:53,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 22:08:53,171 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 [2024-10-11 22:08:53,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 22:08:53,172 INFO L225 Difference]: With dead ends: 126 [2024-10-11 22:08:53,172 INFO L226 Difference]: Without dead ends: 72 [2024-10-11 22:08:53,173 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 [2024-10-11 22:08:53,174 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 [2024-10-11 22:08:53,175 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] [2024-10-11 22:08:53,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-10-11 22:08:53,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-10-11 22:08:53,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 51 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) [2024-10-11 22:08:53,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 92 transitions. [2024-10-11 22:08:53,184 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 92 transitions. Word has length 36 [2024-10-11 22:08:53,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 22:08:53,184 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 92 transitions. [2024-10-11 22:08:53,184 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) [2024-10-11 22:08:53,185 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2024-10-11 22:08:53,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-10-11 22:08:53,186 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 22:08:53,186 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] [2024-10-11 22:08:53,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 22:08:53,186 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)] === [2024-10-11 22:08:53,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 22:08:53,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1190157882, now seen corresponding path program 1 times [2024-10-11 22:08:53,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 22:08:53,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113981386] [2024-10-11 22:08:53,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:08:53,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 22:08:53,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:53,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 22:08:53,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:53,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 22:08:53,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:53,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 22:08:53,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:53,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 22:08:53,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:53,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 22:08:53,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:53,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 22:08:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:53,293 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-11 22:08:53,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 22:08:53,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113981386] [2024-10-11 22:08:53,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113981386] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 22:08:53,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 22:08:53,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 22:08:53,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126422385] [2024-10-11 22:08:53,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 22:08:53,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 22:08:53,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 22:08:53,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 22:08:53,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 22:08:53,297 INFO L87 Difference]: Start difference. First operand 72 states and 92 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 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) [2024-10-11 22:08:53,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 22:08:53,329 INFO L93 Difference]: Finished difference Result 73 states and 93 transitions. [2024-10-11 22:08:53,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 22:08:53,335 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 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 [2024-10-11 22:08:53,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 22:08:53,337 INFO L225 Difference]: With dead ends: 73 [2024-10-11 22:08:53,339 INFO L226 Difference]: Without dead ends: 72 [2024-10-11 22:08:53,339 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 [2024-10-11 22:08:53,340 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 4 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 22:08:53,343 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 144 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 22:08:53,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-10-11 22:08:53,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 71. [2024-10-11 22:08:53,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 46 states have (on average 1.2826086956521738) 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) [2024-10-11 22:08:53,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 91 transitions. [2024-10-11 22:08:53,360 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 91 transitions. Word has length 37 [2024-10-11 22:08:53,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 22:08:53,360 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 91 transitions. [2024-10-11 22:08:53,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 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) [2024-10-11 22:08:53,361 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 91 transitions. [2024-10-11 22:08:53,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-11 22:08:53,362 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 22:08:53,362 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] [2024-10-11 22:08:53,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 22:08:53,364 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)] === [2024-10-11 22:08:53,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 22:08:53,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1759811224, now seen corresponding path program 1 times [2024-10-11 22:08:53,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 22:08:53,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256178632] [2024-10-11 22:08:53,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:08:53,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 22:08:53,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:53,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 22:08:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:53,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 22:08:53,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:53,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 22:08:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:53,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 22:08:53,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:53,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 22:08:53,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:53,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 22:08:53,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:53,480 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-11 22:08:53,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 22:08:53,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256178632] [2024-10-11 22:08:53,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256178632] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 22:08:53,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 22:08:53,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 22:08:53,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161990872] [2024-10-11 22:08:53,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 22:08:53,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 22:08:53,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 22:08:53,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 22:08:53,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 22:08:53,485 INFO L87 Difference]: Start difference. First operand 71 states and 91 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) [2024-10-11 22:08:53,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 22:08:53,529 INFO L93 Difference]: Finished difference Result 114 states and 143 transitions. [2024-10-11 22:08:53,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 22:08:53,529 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 [2024-10-11 22:08:53,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 22:08:53,531 INFO L225 Difference]: With dead ends: 114 [2024-10-11 22:08:53,531 INFO L226 Difference]: Without dead ends: 75 [2024-10-11 22:08:53,531 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 [2024-10-11 22:08:53,535 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 5 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 22:08:53,536 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 157 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 22:08:53,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-10-11 22:08:53,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 74. [2024-10-11 22:08:53,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 49 states have (on average 1.2653061224489797) internal successors, (62), 52 states have internal predecessors, (62), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-11 22:08:53,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 96 transitions. [2024-10-11 22:08:53,549 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 96 transitions. Word has length 38 [2024-10-11 22:08:53,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 22:08:53,549 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 96 transitions. [2024-10-11 22:08:53,549 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) [2024-10-11 22:08:53,550 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 96 transitions. [2024-10-11 22:08:53,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-11 22:08:53,551 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 22:08:53,551 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] [2024-10-11 22:08:53,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 22:08:53,552 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)] === [2024-10-11 22:08:53,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 22:08:53,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1336940069, now seen corresponding path program 1 times [2024-10-11 22:08:53,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 22:08:53,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211757866] [2024-10-11 22:08:53,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:08:53,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 22:08:53,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:53,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 22:08:53,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:53,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 22:08:53,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:53,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 22:08:53,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:53,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 22:08:53,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:53,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 22:08:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:53,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 22:08:53,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:53,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 22:08:53,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:53,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 22:08:53,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:53,697 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-11 22:08:53,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 22:08:53,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211757866] [2024-10-11 22:08:53,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211757866] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 22:08:53,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1022336320] [2024-10-11 22:08:53,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:08:53,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 22:08:53,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 22:08:53,701 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 22:08:53,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 22:08:53,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:53,816 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 22:08:53,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 22:08:53,858 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-11 22:08:53,858 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 22:08:53,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1022336320] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 22:08:53,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 22:08:53,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-11 22:08:53,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338904588] [2024-10-11 22:08:53,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 22:08:53,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 22:08:53,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 22:08:53,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 22:08:53,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 22:08:53,861 INFO L87 Difference]: Start difference. First operand 74 states and 96 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-11 22:08:53,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 22:08:53,891 INFO L93 Difference]: Finished difference Result 81 states and 106 transitions. [2024-10-11 22:08:53,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 22:08:53,892 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 47 [2024-10-11 22:08:53,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 22:08:53,894 INFO L225 Difference]: With dead ends: 81 [2024-10-11 22:08:53,894 INFO L226 Difference]: Without dead ends: 80 [2024-10-11 22:08:53,895 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 22:08:53,896 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 2 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 22:08:53,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 152 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 22:08:53,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-10-11 22:08:53,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2024-10-11 22:08:53,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 52 states have (on average 1.2692307692307692) 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) [2024-10-11 22:08:53,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 102 transitions. [2024-10-11 22:08:53,905 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 102 transitions. Word has length 47 [2024-10-11 22:08:53,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 22:08:53,906 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 102 transitions. [2024-10-11 22:08:53,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-11 22:08:53,906 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 102 transitions. [2024-10-11 22:08:53,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-11 22:08:53,907 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 22:08:53,907 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, 1] [2024-10-11 22:08:53,926 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-11 22:08:54,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 22:08:54,109 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 22:08:54,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 22:08:54,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1504530949, now seen corresponding path program 1 times [2024-10-11 22:08:54,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 22:08:54,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023190103] [2024-10-11 22:08:54,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:08:54,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 22:08:54,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:54,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 22:08:54,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:54,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 22:08:54,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:54,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 22:08:54,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:54,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 22:08:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:54,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 22:08:54,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:54,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 22:08:54,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:54,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 22:08:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:54,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 22:08:54,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:54,240 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-11 22:08:54,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 22:08:54,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023190103] [2024-10-11 22:08:54,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023190103] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 22:08:54,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328785502] [2024-10-11 22:08:54,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:08:54,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 22:08:54,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 22:08:54,243 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 22:08:54,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 22:08:54,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:54,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 22:08:54,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 22:08:54,360 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-11 22:08:54,364 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 22:08:54,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [328785502] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 22:08:54,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 22:08:54,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-11 22:08:54,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247533636] [2024-10-11 22:08:54,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 22:08:54,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 22:08:54,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 22:08:54,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 22:08:54,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 22:08:54,367 INFO L87 Difference]: Start difference. First operand 78 states and 102 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-11 22:08:54,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 22:08:54,390 INFO L93 Difference]: Finished difference Result 79 states and 103 transitions. [2024-10-11 22:08:54,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 22:08:54,390 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 48 [2024-10-11 22:08:54,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 22:08:54,392 INFO L225 Difference]: With dead ends: 79 [2024-10-11 22:08:54,392 INFO L226 Difference]: Without dead ends: 78 [2024-10-11 22:08:54,393 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 22:08:54,394 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 4 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 22:08:54,394 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 142 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 22:08:54,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-10-11 22:08:54,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 77. [2024-10-11 22:08:54,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 52 states have (on average 1.25) internal successors, (65), 54 states have internal predecessors, (65), 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) [2024-10-11 22:08:54,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 101 transitions. [2024-10-11 22:08:54,403 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 101 transitions. Word has length 48 [2024-10-11 22:08:54,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 22:08:54,404 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 101 transitions. [2024-10-11 22:08:54,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-11 22:08:54,404 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 101 transitions. [2024-10-11 22:08:54,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-10-11 22:08:54,408 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 22:08:54,408 INFO L215 NwaCegarLoop]: trace histogram [4, 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] [2024-10-11 22:08:54,426 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-11 22:08:54,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 22:08:54,613 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)] === [2024-10-11 22:08:54,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 22:08:54,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1990265294, now seen corresponding path program 1 times [2024-10-11 22:08:54,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 22:08:54,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398696049] [2024-10-11 22:08:54,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:08:54,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 22:08:54,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:54,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 22:08:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:54,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 22:08:54,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:54,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 22:08:54,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:54,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 22:08:54,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:54,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 22:08:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:54,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 22:08:54,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:54,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 22:08:54,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:54,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 22:08:54,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:54,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 22:08:54,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:54,727 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-11 22:08:54,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 22:08:54,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398696049] [2024-10-11 22:08:54,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398696049] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 22:08:54,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [272433533] [2024-10-11 22:08:54,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:08:54,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 22:08:54,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 22:08:54,731 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 22:08:54,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 22:08:54,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:54,811 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 22:08:54,813 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 22:08:54,857 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 22:08:54,857 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 22:08:54,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [272433533] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 22:08:54,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 22:08:54,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-11 22:08:54,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163770155] [2024-10-11 22:08:54,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 22:08:54,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 22:08:54,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 22:08:54,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 22:08:54,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 22:08:54,860 INFO L87 Difference]: Start difference. First operand 77 states and 101 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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) [2024-10-11 22:08:54,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 22:08:54,882 INFO L93 Difference]: Finished difference Result 78 states and 102 transitions. [2024-10-11 22:08:54,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 22:08:54,882 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 53 [2024-10-11 22:08:54,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 22:08:54,883 INFO L225 Difference]: With dead ends: 78 [2024-10-11 22:08:54,884 INFO L226 Difference]: Without dead ends: 77 [2024-10-11 22:08:54,884 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 22:08:54,884 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 2 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 22:08:54,885 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 142 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 22:08:54,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-10-11 22:08:54,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 72. [2024-10-11 22:08:54,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 49 states have (on average 1.2244897959183674) internal successors, (60), 50 states have internal predecessors, (60), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-11 22:08:54,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 94 transitions. [2024-10-11 22:08:54,898 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 94 transitions. Word has length 53 [2024-10-11 22:08:54,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 22:08:54,899 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 94 transitions. [2024-10-11 22:08:54,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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) [2024-10-11 22:08:54,899 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 94 transitions. [2024-10-11 22:08:54,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-10-11 22:08:54,900 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 22:08:54,900 INFO L215 NwaCegarLoop]: trace histogram [6, 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] [2024-10-11 22:08:54,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-11 22:08:55,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 22:08:55,105 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)] === [2024-10-11 22:08:55,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 22:08:55,106 INFO L85 PathProgramCache]: Analyzing trace with hash -240458698, now seen corresponding path program 1 times [2024-10-11 22:08:55,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 22:08:55,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660019882] [2024-10-11 22:08:55,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:08:55,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 22:08:55,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:55,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 22:08:55,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:55,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 22:08:55,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:55,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 22:08:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:55,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 22:08:55,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:55,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 22:08:55,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:55,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 22:08:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:55,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 22:08:55,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:55,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 22:08:55,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:55,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 22:08:55,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:55,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 22:08:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:55,251 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-11 22:08:55,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 22:08:55,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660019882] [2024-10-11 22:08:55,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660019882] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 22:08:55,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573617532] [2024-10-11 22:08:55,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:08:55,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 22:08:55,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 22:08:55,254 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 22:08:55,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 22:08:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:55,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 22:08:55,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 22:08:55,351 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-11 22:08:55,352 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 22:08:55,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [573617532] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 22:08:55,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 22:08:55,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-11 22:08:55,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097808693] [2024-10-11 22:08:55,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 22:08:55,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 22:08:55,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 22:08:55,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 22:08:55,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 22:08:55,353 INFO L87 Difference]: Start difference. First operand 72 states and 94 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-11 22:08:55,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 22:08:55,376 INFO L93 Difference]: Finished difference Result 78 states and 101 transitions. [2024-10-11 22:08:55,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 22:08:55,379 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 58 [2024-10-11 22:08:55,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 22:08:55,380 INFO L225 Difference]: With dead ends: 78 [2024-10-11 22:08:55,380 INFO L226 Difference]: Without dead ends: 77 [2024-10-11 22:08:55,380 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 22:08:55,381 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 1 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 151 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 [2024-10-11 22:08:55,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 151 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 22:08:55,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-10-11 22:08:55,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 76. [2024-10-11 22:08:55,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 52 states have (on average 1.2115384615384615) internal successors, (63), 53 states have internal predecessors, (63), 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) [2024-10-11 22:08:55,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 99 transitions. [2024-10-11 22:08:55,387 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 99 transitions. Word has length 58 [2024-10-11 22:08:55,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 22:08:55,388 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 99 transitions. [2024-10-11 22:08:55,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-11 22:08:55,388 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 99 transitions. [2024-10-11 22:08:55,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-10-11 22:08:55,389 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 22:08:55,389 INFO L215 NwaCegarLoop]: trace histogram [6, 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] [2024-10-11 22:08:55,407 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-11 22:08:55,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-10-11 22:08:55,594 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)] === [2024-10-11 22:08:55,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 22:08:55,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1534548664, now seen corresponding path program 1 times [2024-10-11 22:08:55,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 22:08:55,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141277796] [2024-10-11 22:08:55,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:08:55,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 22:08:55,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:55,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 22:08:55,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:55,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 22:08:55,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:55,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 22:08:55,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:55,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 22:08:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:55,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 22:08:55,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:55,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 22:08:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:55,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 22:08:55,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:55,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 22:08:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:55,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 22:08:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:55,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 22:08:55,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:55,692 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-11 22:08:55,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 22:08:55,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141277796] [2024-10-11 22:08:55,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141277796] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 22:08:55,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195787998] [2024-10-11 22:08:55,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:08:55,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 22:08:55,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 22:08:55,694 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 22:08:55,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 22:08:55,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:55,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 22:08:55,775 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 22:08:55,804 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-11 22:08:55,804 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 22:08:55,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [195787998] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 22:08:55,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 22:08:55,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-11 22:08:55,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688625795] [2024-10-11 22:08:55,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 22:08:55,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 22:08:55,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 22:08:55,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 22:08:55,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 22:08:55,806 INFO L87 Difference]: Start difference. First operand 76 states and 99 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-11 22:08:55,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 22:08:55,824 INFO L93 Difference]: Finished difference Result 76 states and 99 transitions. [2024-10-11 22:08:55,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 22:08:55,825 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 58 [2024-10-11 22:08:55,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 22:08:55,826 INFO L225 Difference]: With dead ends: 76 [2024-10-11 22:08:55,827 INFO L226 Difference]: Without dead ends: 75 [2024-10-11 22:08:55,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 22:08:55,828 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 1 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 22:08:55,829 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 144 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 22:08:55,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-10-11 22:08:55,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 71. [2024-10-11 22:08:55,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 49 states have (on average 1.2040816326530612) internal successors, (59), 49 states have internal predecessors, (59), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-11 22:08:55,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 93 transitions. [2024-10-11 22:08:55,840 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 93 transitions. Word has length 58 [2024-10-11 22:08:55,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 22:08:55,841 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 93 transitions. [2024-10-11 22:08:55,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-11 22:08:55,842 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2024-10-11 22:08:55,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-11 22:08:55,843 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 22:08:55,843 INFO L215 NwaCegarLoop]: trace histogram [6, 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] [2024-10-11 22:08:55,867 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-11 22:08:56,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-11 22:08:56,045 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 22:08:56,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 22:08:56,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1135715105, now seen corresponding path program 1 times [2024-10-11 22:08:56,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 22:08:56,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011669468] [2024-10-11 22:08:56,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:08:56,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 22:08:56,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:56,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 22:08:56,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:56,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 22:08:56,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:56,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 22:08:56,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:56,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 22:08:56,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:56,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 22:08:56,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:56,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 22:08:56,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:56,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 22:08:56,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:56,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 22:08:56,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:56,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 22:08:56,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:56,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 22:08:56,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:56,132 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-11 22:08:56,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 22:08:56,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011669468] [2024-10-11 22:08:56,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011669468] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 22:08:56,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [860952267] [2024-10-11 22:08:56,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:08:56,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 22:08:56,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 22:08:56,135 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 22:08:56,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 22:08:56,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:08:56,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 22:08:56,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 22:08:56,245 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-11 22:08:56,245 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 22:08:56,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [860952267] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 22:08:56,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 22:08:56,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-11 22:08:56,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81479213] [2024-10-11 22:08:56,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 22:08:56,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 22:08:56,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 22:08:56,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 22:08:56,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 22:08:56,247 INFO L87 Difference]: Start difference. First operand 71 states and 93 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-11 22:08:56,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 22:08:56,275 INFO L93 Difference]: Finished difference Result 71 states and 93 transitions. [2024-10-11 22:08:56,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 22:08:56,275 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 59 [2024-10-11 22:08:56,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 22:08:56,276 INFO L225 Difference]: With dead ends: 71 [2024-10-11 22:08:56,276 INFO L226 Difference]: Without dead ends: 0 [2024-10-11 22:08:56,276 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 22:08:56,277 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 2 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 22:08:56,277 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 144 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 22:08:56,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-11 22:08:56,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-11 22:08:56,278 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) [2024-10-11 22:08:56,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-11 22:08:56,278 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2024-10-11 22:08:56,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 22:08:56,278 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-11 22:08:56,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-11 22:08:56,278 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-11 22:08:56,278 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-11 22:08:56,282 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-10-11 22:08:56,283 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-10-11 22:08:56,283 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-10-11 22:08:56,283 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-10-11 22:08:56,283 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-10-11 22:08:56,283 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-10-11 22:08:56,283 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-10-11 22:08:56,283 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-10-11 22:08:56,301 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 22:08:56,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-11 22:08:56,487 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 22:08:56,489 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-11 22:08:56,568 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 22:08:56,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 10:08:56 BoogieIcfgContainer [2024-10-11 22:08:56,582 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 22:08:56,583 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 22:08:56,583 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 22:08:56,583 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 22:08:56,583 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 10:08:52" (3/4) ... [2024-10-11 22:08:56,585 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 22:08:56,588 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-10-11 22:08:56,589 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsFalse [2024-10-11 22:08:56,589 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-10-11 22:08:56,589 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue [2024-10-11 22:08:56,595 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-10-11 22:08:56,596 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-10-11 22:08:56,596 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 22:08:56,596 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 22:08:56,703 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 22:08:56,703 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 22:08:56,704 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 22:08:56,704 INFO L158 Benchmark]: Toolchain (without parser) took 6011.01ms. Allocated memory was 167.8MB in the beginning and 222.3MB in the end (delta: 54.5MB). Free memory was 95.8MB in the beginning and 173.9MB in the end (delta: -78.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 22:08:56,704 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 167.8MB. Free memory is still 128.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 22:08:56,705 INFO L158 Benchmark]: CACSL2BoogieTranslator took 959.20ms. Allocated memory is still 167.8MB. Free memory was 95.6MB in the beginning and 87.7MB in the end (delta: 7.8MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2024-10-11 22:08:56,705 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.14ms. Allocated memory is still 167.8MB. Free memory was 86.9MB in the beginning and 84.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 22:08:56,705 INFO L158 Benchmark]: Boogie Preprocessor took 36.95ms. Allocated memory is still 167.8MB. Free memory was 84.0MB in the beginning and 81.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 22:08:56,705 INFO L158 Benchmark]: RCFGBuilder took 459.00ms. Allocated memory is still 167.8MB. Free memory was 81.8MB in the beginning and 63.0MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-11 22:08:56,706 INFO L158 Benchmark]: TraceAbstraction took 4368.78ms. Allocated memory was 167.8MB in the beginning and 222.3MB in the end (delta: 54.5MB). Free memory was 62.6MB in the beginning and 180.2MB in the end (delta: -117.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 22:08:56,706 INFO L158 Benchmark]: Witness Printer took 121.07ms. Allocated memory is still 222.3MB. Free memory was 180.2MB in the beginning and 173.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-11 22:08:56,708 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 167.8MB. Free memory is still 128.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 959.20ms. Allocated memory is still 167.8MB. Free memory was 95.6MB in the beginning and 87.7MB in the end (delta: 7.8MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.14ms. Allocated memory is still 167.8MB. Free memory was 86.9MB in the beginning and 84.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.95ms. Allocated memory is still 167.8MB. Free memory was 84.0MB in the beginning and 81.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 459.00ms. Allocated memory is still 167.8MB. Free memory was 81.8MB in the beginning and 63.0MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 4368.78ms. Allocated memory was 167.8MB in the beginning and 222.3MB in the end (delta: 54.5MB). Free memory was 62.6MB in the beginning and 180.2MB in the end (delta: -117.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 121.07ms. Allocated memory is still 222.3MB. Free memory was 180.2MB in the beginning and 173.9MB 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: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1617]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1617]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: 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: 4.2s, OverallIterations: 11, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 43 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 32 mSDsluCounter, 1749 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 868 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 166 IncrementalHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 881 mSDtfsCounter, 166 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 504 GetRequests, 480 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=0, InterpolantAutomatonStates: 34, 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, 19 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 796 NumberOfCodeBlocks, 796 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 779 ConstructedInterpolants, 0 QuantifiedInterpolants, 937 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1063 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 294/306 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) RESULT: Ultimate proved your program to be correct! [2024-10-11 22:08:56,737 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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