./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/CWE191_Integer_Underflow__int_fscanf_multiply_08_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_08_good.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8709d0dd1417f72680ac49a0b75f082aefce105d9ef1e3760edc003b735c2e10 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 23:02:24,720 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 23:02:24,812 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-14 23:02:24,819 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 23:02:24,822 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 23:02:24,845 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 23:02:24,846 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 23:02:24,846 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 23:02:24,847 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 23:02:24,847 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 23:02:24,848 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 23:02:24,848 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 23:02:24,849 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 23:02:24,849 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 23:02:24,849 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 23:02:24,850 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 23:02:24,850 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 23:02:24,851 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 23:02:24,851 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 23:02:24,851 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 23:02:24,852 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 23:02:24,852 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 23:02:24,853 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 23:02:24,853 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 23:02:24,856 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 23:02:24,857 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 23:02:24,857 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 23:02:24,857 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 23:02:24,857 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 23:02:24,858 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 23:02:24,858 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 23:02:24,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 23:02:24,858 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 23:02:24,859 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 23:02:24,859 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 23:02:24,859 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 23:02:24,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 23:02:24,859 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 23:02:24,860 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 23:02:24,860 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 23:02:24,861 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 23:02:24,862 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8709d0dd1417f72680ac49a0b75f082aefce105d9ef1e3760edc003b735c2e10 [2024-10-14 23:02:25,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 23:02:25,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 23:02:25,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 23:02:25,150 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 23:02:25,151 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 23:02:25,152 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_08_good.i [2024-10-14 23:02:26,653 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 23:02:26,989 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 23:02:26,991 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_08_good.i [2024-10-14 23:02:27,022 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e698ff74e/ade23016955d4f67908416f3be7a8920/FLAGd554593cc [2024-10-14 23:02:27,039 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e698ff74e/ade23016955d4f67908416f3be7a8920 [2024-10-14 23:02:27,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 23:02:27,044 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 23:02:27,046 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 23:02:27,047 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 23:02:27,052 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 23:02:27,053 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:02:27" (1/1) ... [2024-10-14 23:02:27,054 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65958f15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:02:27, skipping insertion in model container [2024-10-14 23:02:27,054 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:02:27" (1/1) ... [2024-10-14 23:02:27,116 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 23:02:27,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 23:02:27,826 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 23:02:27,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 23:02:28,055 INFO L204 MainTranslator]: Completed translation [2024-10-14 23:02:28,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:02:28 WrapperNode [2024-10-14 23:02:28,056 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 23:02:28,057 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 23:02:28,057 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 23:02:28,058 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 23:02:28,066 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:02:28" (1/1) ... [2024-10-14 23:02:28,102 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:02:28" (1/1) ... [2024-10-14 23:02:28,132 INFO L138 Inliner]: procedures = 503, calls = 46, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 133 [2024-10-14 23:02:28,133 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 23:02:28,133 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 23:02:28,134 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 23:02:28,134 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 23:02:28,144 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:02:28" (1/1) ... [2024-10-14 23:02:28,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:02:28" (1/1) ... [2024-10-14 23:02:28,148 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:02:28" (1/1) ... [2024-10-14 23:02:28,160 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-14 23:02:28,160 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:02:28" (1/1) ... [2024-10-14 23:02:28,164 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:02:28" (1/1) ... [2024-10-14 23:02:28,172 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:02:28" (1/1) ... [2024-10-14 23:02:28,177 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:02:28" (1/1) ... [2024-10-14 23:02:28,180 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:02:28" (1/1) ... [2024-10-14 23:02:28,181 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:02:28" (1/1) ... [2024-10-14 23:02:28,184 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 23:02:28,185 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 23:02:28,185 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 23:02:28,185 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 23:02:28,186 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:02:28" (1/1) ... [2024-10-14 23:02:28,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 23:02:28,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:02:28,223 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 23:02:28,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 23:02:28,275 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-10-14 23:02:28,276 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-10-14 23:02:28,276 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-14 23:02:28,292 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-14 23:02:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 23:02:28,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 23:02:28,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 23:02:28,293 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-10-14 23:02:28,293 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-10-14 23:02:28,293 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2024-10-14 23:02:28,293 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2024-10-14 23:02:28,458 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 23:02:28,461 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 23:02:28,671 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-10-14 23:02:28,672 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 23:02:28,704 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 23:02:28,705 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 23:02:28,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:02:28 BoogieIcfgContainer [2024-10-14 23:02:28,705 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 23:02:28,707 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 23:02:28,707 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 23:02:28,710 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 23:02:28,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:02:27" (1/3) ... [2024-10-14 23:02:28,711 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@263903f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:02:28, skipping insertion in model container [2024-10-14 23:02:28,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:02:28" (2/3) ... [2024-10-14 23:02:28,712 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@263903f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:02:28, skipping insertion in model container [2024-10-14 23:02:28,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:02:28" (3/3) ... [2024-10-14 23:02:28,715 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_08_good.i [2024-10-14 23:02:28,735 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 23:02:28,736 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-10-14 23:02:28,792 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 23:02:28,800 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;@2538bc79, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 23:02:28,800 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-14 23:02:28,805 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 51 states have (on average 1.4509803921568627) internal successors, (74), 59 states have internal predecessors, (74), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-14 23:02:28,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-14 23:02:28,811 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:02:28,812 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:02:28,812 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 23:02:28,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:02:28,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1194795619, now seen corresponding path program 1 times [2024-10-14 23:02:28,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:02:28,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551094949] [2024-10-14 23:02:28,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:02:28,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:02:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:29,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 23:02:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:29,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 23:02:29,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:29,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 23:02:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:29,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:02:29,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:02:29,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551094949] [2024-10-14 23:02:29,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551094949] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:02:29,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:02:29,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 23:02:29,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562486469] [2024-10-14 23:02:29,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:02:29,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 23:02:29,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:02:29,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 23:02:29,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 23:02:29,164 INFO L87 Difference]: Start difference. First operand has 82 states, 51 states have (on average 1.4509803921568627) internal successors, (74), 59 states have internal predecessors, (74), 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 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 23:02:29,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:02:29,247 INFO L93 Difference]: Finished difference Result 153 states and 205 transitions. [2024-10-14 23:02:29,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 23:02:29,250 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2024-10-14 23:02:29,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:02:29,261 INFO L225 Difference]: With dead ends: 153 [2024-10-14 23:02:29,262 INFO L226 Difference]: Without dead ends: 83 [2024-10-14 23:02:29,265 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 23:02:29,269 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 8 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 23:02:29,270 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 201 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 23:02:29,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-10-14 23:02:29,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 80. [2024-10-14 23:02:29,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 58 states have internal predecessors, (73), 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) [2024-10-14 23:02:29,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 107 transitions. [2024-10-14 23:02:29,320 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 107 transitions. Word has length 20 [2024-10-14 23:02:29,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:02:29,321 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 107 transitions. [2024-10-14 23:02:29,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 23:02:29,321 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 107 transitions. [2024-10-14 23:02:29,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-14 23:02:29,323 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:02:29,323 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, 1] [2024-10-14 23:02:29,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 23:02:29,323 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 23:02:29,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:02:29,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1616041548, now seen corresponding path program 1 times [2024-10-14 23:02:29,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:02:29,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258138972] [2024-10-14 23:02:29,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:02:29,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:02:29,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:29,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 23:02:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:29,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 23:02:29,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:29,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 23:02:29,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:29,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:02:29,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:02:29,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258138972] [2024-10-14 23:02:29,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258138972] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:02:29,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:02:29,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 23:02:29,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096623324] [2024-10-14 23:02:29,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:02:29,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 23:02:29,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:02:29,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 23:02:29,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 23:02:29,489 INFO L87 Difference]: Start difference. First operand 80 states and 107 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 23:02:29,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:02:29,531 INFO L93 Difference]: Finished difference Result 80 states and 107 transitions. [2024-10-14 23:02:29,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 23:02:29,533 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 21 [2024-10-14 23:02:29,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:02:29,534 INFO L225 Difference]: With dead ends: 80 [2024-10-14 23:02:29,536 INFO L226 Difference]: Without dead ends: 79 [2024-10-14 23:02:29,536 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 23:02:29,537 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 0 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 23:02:29,538 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 175 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 23:02:29,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-10-14 23:02:29,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2024-10-14 23:02:29,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 52 states have (on average 1.3846153846153846) internal successors, (72), 57 states have internal predecessors, (72), 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) [2024-10-14 23:02:29,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 106 transitions. [2024-10-14 23:02:29,556 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 106 transitions. Word has length 21 [2024-10-14 23:02:29,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:02:29,557 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 106 transitions. [2024-10-14 23:02:29,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 23:02:29,558 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 106 transitions. [2024-10-14 23:02:29,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-10-14 23:02:29,559 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:02:29,560 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] [2024-10-14 23:02:29,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 23:02:29,560 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 23:02:29,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:02:29,561 INFO L85 PathProgramCache]: Analyzing trace with hash 36118617, now seen corresponding path program 1 times [2024-10-14 23:02:29,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:02:29,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701619380] [2024-10-14 23:02:29,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:02:29,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:02:29,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:29,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 23:02:29,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:29,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 23:02:29,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:29,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 23:02:29,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:29,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-14 23:02:29,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:29,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 23:02:29,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:29,738 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-14 23:02:29,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:02:29,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701619380] [2024-10-14 23:02:29,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701619380] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:02:29,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:02:29,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 23:02:29,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985326309] [2024-10-14 23:02:29,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:02:29,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 23:02:29,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:02:29,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 23:02:29,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 23:02:29,742 INFO L87 Difference]: Start difference. First operand 79 states and 106 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-14 23:02:29,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:02:29,791 INFO L93 Difference]: Finished difference Result 125 states and 163 transitions. [2024-10-14 23:02:29,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 23:02:29,791 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 32 [2024-10-14 23:02:29,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:02:29,793 INFO L225 Difference]: With dead ends: 125 [2024-10-14 23:02:29,793 INFO L226 Difference]: Without dead ends: 84 [2024-10-14 23:02:29,793 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 23:02:29,794 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 7 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 23:02:29,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 169 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 23:02:29,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-10-14 23:02:29,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 83. [2024-10-14 23:02:29,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 56 states have (on average 1.375) internal successors, (77), 60 states have internal predecessors, (77), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-14 23:02:29,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 113 transitions. [2024-10-14 23:02:29,813 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 113 transitions. Word has length 32 [2024-10-14 23:02:29,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:02:29,813 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 113 transitions. [2024-10-14 23:02:29,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-14 23:02:29,814 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 113 transitions. [2024-10-14 23:02:29,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-10-14 23:02:29,816 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:02:29,816 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] [2024-10-14 23:02:29,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 23:02:29,817 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 23:02:29,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:02:29,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1119677234, now seen corresponding path program 1 times [2024-10-14 23:02:29,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:02:29,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445352832] [2024-10-14 23:02:29,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:02:29,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:02:29,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:29,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 23:02:29,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:29,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 23:02:29,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:29,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 23:02:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:29,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-14 23:02:29,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:29,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 23:02:29,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:29,929 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-14 23:02:29,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:02:29,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445352832] [2024-10-14 23:02:29,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445352832] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:02:29,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:02:29,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 23:02:29,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213900051] [2024-10-14 23:02:29,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:02:29,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 23:02:29,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:02:29,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 23:02:29,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 23:02:29,933 INFO L87 Difference]: Start difference. First operand 83 states and 113 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-14 23:02:29,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:02:29,969 INFO L93 Difference]: Finished difference Result 83 states and 113 transitions. [2024-10-14 23:02:29,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 23:02:29,970 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 33 [2024-10-14 23:02:29,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:02:29,971 INFO L225 Difference]: With dead ends: 83 [2024-10-14 23:02:29,971 INFO L226 Difference]: Without dead ends: 82 [2024-10-14 23:02:29,971 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 23:02:29,972 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 0 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 23:02:29,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 171 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 23:02:29,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-10-14 23:02:29,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-10-14 23:02:29,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 56 states have (on average 1.3571428571428572) internal successors, (76), 59 states have internal predecessors, (76), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-14 23:02:29,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 112 transitions. [2024-10-14 23:02:29,985 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 112 transitions. Word has length 33 [2024-10-14 23:02:29,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:02:29,986 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 112 transitions. [2024-10-14 23:02:29,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-14 23:02:29,987 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 112 transitions. [2024-10-14 23:02:29,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-14 23:02:29,988 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:02:29,988 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] [2024-10-14 23:02:29,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 23:02:29,988 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 23:02:29,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:02:29,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1776146378, now seen corresponding path program 1 times [2024-10-14 23:02:29,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:02:29,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487545877] [2024-10-14 23:02:29,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:02:29,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:02:30,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:30,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 23:02:30,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:30,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 23:02:30,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:30,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 23:02:30,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:30,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-14 23:02:30,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:30,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 23:02:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:30,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 23:02:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:30,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 23:02:30,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:30,124 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-14 23:02:30,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:02:30,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487545877] [2024-10-14 23:02:30,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487545877] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:02:30,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [275827165] [2024-10-14 23:02:30,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:02:30,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:02:30,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:02:30,132 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 23:02:30,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 23:02:30,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:30,243 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 23:02:30,250 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:02:30,297 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-14 23:02:30,297 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 23:02:30,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [275827165] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:02:30,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 23:02:30,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-14 23:02:30,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228289916] [2024-10-14 23:02:30,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:02:30,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 23:02:30,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:02:30,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 23:02:30,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 23:02:30,300 INFO L87 Difference]: Start difference. First operand 82 states and 112 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 23:02:30,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:02:30,327 INFO L93 Difference]: Finished difference Result 83 states and 113 transitions. [2024-10-14 23:02:30,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 23:02:30,328 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), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 42 [2024-10-14 23:02:30,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:02:30,329 INFO L225 Difference]: With dead ends: 83 [2024-10-14 23:02:30,329 INFO L226 Difference]: Without dead ends: 82 [2024-10-14 23:02:30,330 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 23:02:30,332 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 5 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 160 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 [2024-10-14 23:02:30,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 160 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 23:02:30,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-10-14 23:02:30,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 81. [2024-10-14 23:02:30,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 56 states have (on average 1.3392857142857142) internal successors, (75), 58 states have internal predecessors, (75), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-14 23:02:30,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 111 transitions. [2024-10-14 23:02:30,345 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 111 transitions. Word has length 42 [2024-10-14 23:02:30,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:02:30,346 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 111 transitions. [2024-10-14 23:02:30,346 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), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 23:02:30,346 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 111 transitions. [2024-10-14 23:02:30,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-14 23:02:30,349 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:02:30,349 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] [2024-10-14 23:02:30,366 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 23:02:30,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:02:30,554 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 23:02:30,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:02:30,554 INFO L85 PathProgramCache]: Analyzing trace with hash 774037273, now seen corresponding path program 1 times [2024-10-14 23:02:30,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:02:30,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68464265] [2024-10-14 23:02:30,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:02:30,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:02:30,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:30,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 23:02:30,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:30,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 23:02:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:30,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 23:02:30,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:30,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-14 23:02:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:30,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 23:02:30,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:30,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 23:02:30,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:30,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 23:02:30,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:30,688 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-14 23:02:30,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:02:30,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68464265] [2024-10-14 23:02:30,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68464265] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:02:30,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [673298466] [2024-10-14 23:02:30,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:02:30,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:02:30,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:02:30,692 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 23:02:30,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 23:02:30,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:30,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 23:02:30,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:02:30,820 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-14 23:02:30,821 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 23:02:30,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [673298466] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:02:30,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 23:02:30,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-14 23:02:30,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494136725] [2024-10-14 23:02:30,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:02:30,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 23:02:30,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:02:30,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 23:02:30,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 23:02:30,826 INFO L87 Difference]: Start difference. First operand 81 states and 111 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 23:02:30,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:02:30,858 INFO L93 Difference]: Finished difference Result 103 states and 137 transitions. [2024-10-14 23:02:30,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 23:02:30,859 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2024-10-14 23:02:30,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:02:30,860 INFO L225 Difference]: With dead ends: 103 [2024-10-14 23:02:30,861 INFO L226 Difference]: Without dead ends: 88 [2024-10-14 23:02:30,861 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 23:02:30,862 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 1 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 23:02:30,862 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 171 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 23:02:30,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-10-14 23:02:30,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 87. [2024-10-14 23:02:30,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 61 states have (on average 1.3278688524590163) internal successors, (81), 63 states have internal predecessors, (81), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-14 23:02:30,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions. [2024-10-14 23:02:30,874 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 119 transitions. Word has length 43 [2024-10-14 23:02:30,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:02:30,875 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 119 transitions. [2024-10-14 23:02:30,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 23:02:30,875 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2024-10-14 23:02:30,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-10-14 23:02:30,877 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:02:30,877 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] [2024-10-14 23:02:30,894 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-14 23:02:31,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-14 23:02:31,078 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)] === [2024-10-14 23:02:31,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:02:31,079 INFO L85 PathProgramCache]: Analyzing trace with hash -913559988, now seen corresponding path program 1 times [2024-10-14 23:02:31,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:02:31,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378056560] [2024-10-14 23:02:31,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:02:31,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:02:31,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:31,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 23:02:31,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:31,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 23:02:31,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:31,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 23:02:31,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:31,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-14 23:02:31,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:31,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 23:02:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:31,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 23:02:31,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:31,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 23:02:31,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:31,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 23:02:31,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:31,172 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-14 23:02:31,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:02:31,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378056560] [2024-10-14 23:02:31,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378056560] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:02:31,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119396671] [2024-10-14 23:02:31,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:02:31,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:02:31,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:02:31,175 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 23:02:31,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 23:02:31,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:31,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 23:02:31,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:02:31,290 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 23:02:31,290 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 23:02:31,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1119396671] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:02:31,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 23:02:31,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-10-14 23:02:31,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816078696] [2024-10-14 23:02:31,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:02:31,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 23:02:31,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:02:31,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 23:02:31,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 23:02:31,293 INFO L87 Difference]: Start difference. First operand 87 states and 119 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2024-10-14 23:02:31,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:02:31,315 INFO L93 Difference]: Finished difference Result 106 states and 139 transitions. [2024-10-14 23:02:31,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 23:02:31,316 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 49 [2024-10-14 23:02:31,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:02:31,317 INFO L225 Difference]: With dead ends: 106 [2024-10-14 23:02:31,317 INFO L226 Difference]: Without dead ends: 85 [2024-10-14 23:02:31,317 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 23:02:31,318 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 1 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 23:02:31,318 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 174 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 23:02:31,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-10-14 23:02:31,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 84. [2024-10-14 23:02:31,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 59 states have (on average 1.305084745762712) internal successors, (77), 60 states have internal predecessors, (77), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-14 23:02:31,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 115 transitions. [2024-10-14 23:02:31,332 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 115 transitions. Word has length 49 [2024-10-14 23:02:31,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:02:31,333 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 115 transitions. [2024-10-14 23:02:31,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2024-10-14 23:02:31,334 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 115 transitions. [2024-10-14 23:02:31,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-10-14 23:02:31,339 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:02:31,339 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] [2024-10-14 23:02:31,358 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-14 23:02:31,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:02:31,540 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 23:02:31,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:02:31,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1056889818, now seen corresponding path program 1 times [2024-10-14 23:02:31,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:02:31,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502399851] [2024-10-14 23:02:31,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:02:31,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:02:31,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:31,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 23:02:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:31,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 23:02:31,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:31,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 23:02:31,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:31,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-14 23:02:31,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:31,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 23:02:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:31,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 23:02:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:31,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 23:02:31,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:31,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 23:02:31,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:31,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 23:02:31,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:31,638 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-14 23:02:31,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:02:31,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502399851] [2024-10-14 23:02:31,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502399851] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:02:31,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [79174984] [2024-10-14 23:02:31,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:02:31,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:02:31,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:02:31,641 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 23:02:31,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 23:02:31,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:31,720 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 23:02:31,721 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:02:31,743 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-14 23:02:31,743 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 23:02:31,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [79174984] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:02:31,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 23:02:31,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-10-14 23:02:31,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999903984] [2024-10-14 23:02:31,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:02:31,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 23:02:31,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:02:31,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 23:02:31,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 23:02:31,745 INFO L87 Difference]: Start difference. First operand 84 states and 115 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-14 23:02:31,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:02:31,761 INFO L93 Difference]: Finished difference Result 92 states and 123 transitions. [2024-10-14 23:02:31,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 23:02:31,762 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 [2024-10-14 23:02:31,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:02:31,762 INFO L225 Difference]: With dead ends: 92 [2024-10-14 23:02:31,763 INFO L226 Difference]: Without dead ends: 84 [2024-10-14 23:02:31,763 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 [2024-10-14 23:02:31,763 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 0 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 23:02:31,764 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 174 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 23:02:31,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-10-14 23:02:31,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-10-14 23:02:31,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 59 states have (on average 1.2881355932203389) internal successors, (76), 60 states have internal predecessors, (76), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-14 23:02:31,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 114 transitions. [2024-10-14 23:02:31,769 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 114 transitions. Word has length 53 [2024-10-14 23:02:31,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:02:31,770 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 114 transitions. [2024-10-14 23:02:31,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-14 23:02:31,770 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 114 transitions. [2024-10-14 23:02:31,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-10-14 23:02:31,771 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:02:31,771 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] [2024-10-14 23:02:31,788 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-14 23:02:31,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:02:31,972 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 23:02:31,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:02:31,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1866236444, now seen corresponding path program 1 times [2024-10-14 23:02:31,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:02:31,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726340949] [2024-10-14 23:02:31,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:02:31,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:02:31,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:32,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 23:02:32,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:32,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 23:02:32,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:32,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 23:02:32,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:32,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-14 23:02:32,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:32,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 23:02:32,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:32,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 23:02:32,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:32,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 23:02:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:32,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 23:02:32,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:32,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 23:02:32,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:32,070 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-14 23:02:32,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:02:32,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726340949] [2024-10-14 23:02:32,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726340949] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:02:32,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100030238] [2024-10-14 23:02:32,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:02:32,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:02:32,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:02:32,073 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 23:02:32,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 23:02:32,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:32,154 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 23:02:32,155 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:02:32,175 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-14 23:02:32,175 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 23:02:32,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100030238] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:02:32,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 23:02:32,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-14 23:02:32,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009665379] [2024-10-14 23:02:32,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:02:32,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 23:02:32,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:02:32,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 23:02:32,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 23:02:32,177 INFO L87 Difference]: Start difference. First operand 84 states and 114 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-14 23:02:32,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:02:32,193 INFO L93 Difference]: Finished difference Result 84 states and 114 transitions. [2024-10-14 23:02:32,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 23:02:32,193 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 [2024-10-14 23:02:32,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:02:32,194 INFO L225 Difference]: With dead ends: 84 [2024-10-14 23:02:32,194 INFO L226 Difference]: Without dead ends: 83 [2024-10-14 23:02:32,195 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 [2024-10-14 23:02:32,195 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 2 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 163 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 [2024-10-14 23:02:32,195 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 163 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 23:02:32,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-10-14 23:02:32,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-10-14 23:02:32,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 59 states have (on average 1.271186440677966) internal successors, (75), 59 states have internal predecessors, (75), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-14 23:02:32,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 113 transitions. [2024-10-14 23:02:32,201 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 113 transitions. Word has length 53 [2024-10-14 23:02:32,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:02:32,201 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 113 transitions. [2024-10-14 23:02:32,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-14 23:02:32,201 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 113 transitions. [2024-10-14 23:02:32,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-14 23:02:32,202 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:02:32,202 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] [2024-10-14 23:02:32,219 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-14 23:02:32,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:02:32,403 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 23:02:32,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:02:32,404 INFO L85 PathProgramCache]: Analyzing trace with hash 2018755088, now seen corresponding path program 1 times [2024-10-14 23:02:32,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:02:32,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094616445] [2024-10-14 23:02:32,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:02:32,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:02:32,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:32,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 23:02:32,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:32,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 23:02:32,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:32,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 23:02:32,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:32,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-14 23:02:32,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:32,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 23:02:32,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:32,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 23:02:32,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:32,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 23:02:32,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:32,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 23:02:32,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:32,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 23:02:32,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:32,499 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-14 23:02:32,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:02:32,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094616445] [2024-10-14 23:02:32,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094616445] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:02:32,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387521317] [2024-10-14 23:02:32,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:02:32,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:02:32,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:02:32,501 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 23:02:32,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 23:02:32,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:02:32,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 23:02:32,587 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:02:32,610 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-14 23:02:32,610 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 23:02:32,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1387521317] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:02:32,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 23:02:32,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-14 23:02:32,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646546656] [2024-10-14 23:02:32,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:02:32,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 23:02:32,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:02:32,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 23:02:32,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 23:02:32,614 INFO L87 Difference]: Start difference. First operand 83 states and 113 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-14 23:02:32,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:02:32,631 INFO L93 Difference]: Finished difference Result 83 states and 113 transitions. [2024-10-14 23:02:32,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 23:02:32,632 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 54 [2024-10-14 23:02:32,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:02:32,633 INFO L225 Difference]: With dead ends: 83 [2024-10-14 23:02:32,633 INFO L226 Difference]: Without dead ends: 0 [2024-10-14 23:02:32,633 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 23:02:32,635 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 0 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 23:02:32,635 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 165 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 23:02:32,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-14 23:02:32,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-14 23:02:32,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:02:32,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-14 23:02:32,638 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2024-10-14 23:02:32,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:02:32,638 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-14 23:02:32,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-14 23:02:32,639 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-14 23:02:32,639 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-14 23:02:32,641 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-10-14 23:02:32,642 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-10-14 23:02:32,642 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-10-14 23:02:32,642 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-10-14 23:02:32,642 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-10-14 23:02:32,643 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-10-14 23:02:32,643 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-10-14 23:02:32,643 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-10-14 23:02:32,661 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-14 23:02:32,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:02:32,848 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:02:32,850 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-14 23:02:32,900 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 23:02:32,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:02:32 BoogieIcfgContainer [2024-10-14 23:02:32,915 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 23:02:32,915 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 23:02:32,915 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 23:02:32,916 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 23:02:32,916 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:02:28" (3/4) ... [2024-10-14 23:02:32,918 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 23:02:32,922 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-10-14 23:02:32,922 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsFalse [2024-10-14 23:02:32,922 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-10-14 23:02:32,923 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue [2024-10-14 23:02:32,928 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-10-14 23:02:32,930 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-10-14 23:02:32,930 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-14 23:02:32,930 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 23:02:33,025 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 23:02:33,025 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 23:02:33,025 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 23:02:33,026 INFO L158 Benchmark]: Toolchain (without parser) took 5982.24ms. Allocated memory was 174.1MB in the beginning and 237.0MB in the end (delta: 62.9MB). Free memory was 101.8MB in the beginning and 166.2MB in the end (delta: -64.4MB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB. [2024-10-14 23:02:33,026 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 113.2MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 23:02:33,026 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1010.21ms. Allocated memory is still 174.1MB. Free memory was 101.6MB in the beginning and 88.5MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-14 23:02:33,027 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.59ms. Allocated memory is still 174.1MB. Free memory was 87.9MB in the beginning and 84.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 23:02:33,027 INFO L158 Benchmark]: Boogie Preprocessor took 50.45ms. Allocated memory is still 174.1MB. Free memory was 84.9MB in the beginning and 82.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 23:02:33,027 INFO L158 Benchmark]: RCFGBuilder took 520.43ms. Allocated memory is still 174.1MB. Free memory was 82.8MB in the beginning and 127.6MB in the end (delta: -44.7MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2024-10-14 23:02:33,028 INFO L158 Benchmark]: TraceAbstraction took 4207.98ms. Allocated memory was 174.1MB in the beginning and 237.0MB in the end (delta: 62.9MB). Free memory was 126.6MB in the beginning and 172.4MB in the end (delta: -45.8MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2024-10-14 23:02:33,028 INFO L158 Benchmark]: Witness Printer took 110.21ms. Allocated memory is still 237.0MB. Free memory was 172.4MB in the beginning and 166.2MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-14 23:02:33,029 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 113.2MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1010.21ms. Allocated memory is still 174.1MB. Free memory was 101.6MB in the beginning and 88.5MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.59ms. Allocated memory is still 174.1MB. Free memory was 87.9MB in the beginning and 84.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.45ms. Allocated memory is still 174.1MB. Free memory was 84.9MB in the beginning and 82.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 520.43ms. Allocated memory is still 174.1MB. Free memory was 82.8MB in the beginning and 127.6MB in the end (delta: -44.7MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * TraceAbstraction took 4207.98ms. Allocated memory was 174.1MB in the beginning and 237.0MB in the end (delta: 62.9MB). Free memory was 126.6MB in the beginning and 172.4MB in the end (delta: -45.8MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * Witness Printer took 110.21ms. Allocated memory is still 237.0MB. Free memory was 172.4MB in the beginning and 166.2MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1598]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1598]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1624]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1624]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1641]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1641]: 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, 82 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.1s, OverallIterations: 10, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 32 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 1723 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 816 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 171 IncrementalHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 907 mSDtfsCounter, 171 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 444 GetRequests, 422 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=6, InterpolantAutomatonStates: 30, 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, 10 MinimizatonAttempts, 7 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 694 NumberOfCodeBlocks, 694 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 678 ConstructedInterpolants, 0 QuantifiedInterpolants, 866 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1004 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 284/296 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 RESULT: Ultimate proved your program to be correct! [2024-10-14 23:02:33,058 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE