./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_11_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_11_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 feffdc2b01ccdbd12a5c7e5db278421a078bfaec1c3cde15d100c039f7cfd26e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 15:16:57,045 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 15:16:57,138 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-13 15:16:57,144 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 15:16:57,147 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 15:16:57,173 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 15:16:57,174 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 15:16:57,174 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 15:16:57,175 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 15:16:57,178 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 15:16:57,179 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 15:16:57,179 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 15:16:57,179 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 15:16:57,180 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 15:16:57,180 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 15:16:57,180 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 15:16:57,180 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 15:16:57,181 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 15:16:57,181 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 15:16:57,181 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 15:16:57,181 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 15:16:57,183 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 15:16:57,184 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 15:16:57,184 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 15:16:57,184 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 15:16:57,184 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 15:16:57,185 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 15:16:57,185 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 15:16:57,185 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 15:16:57,186 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 15:16:57,186 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 15:16:57,187 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 15:16:57,187 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 15:16:57,187 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 15:16:57,188 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 15:16:57,188 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 15:16:57,188 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 15:16:57,188 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 15:16:57,188 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 15:16:57,188 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 15:16:57,189 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 15:16:57,189 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> feffdc2b01ccdbd12a5c7e5db278421a078bfaec1c3cde15d100c039f7cfd26e [2024-10-13 15:16:57,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 15:16:57,452 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 15:16:57,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 15:16:57,457 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 15:16:57,457 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 15:16:57,458 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_11_good.i [2024-10-13 15:16:58,932 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 15:16:59,264 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 15:16:59,265 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_11_good.i [2024-10-13 15:16:59,298 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e222fa8a9/c45940d4c4bb424cb05d5d82a01ca230/FLAG111aac7f5 [2024-10-13 15:16:59,317 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e222fa8a9/c45940d4c4bb424cb05d5d82a01ca230 [2024-10-13 15:16:59,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 15:16:59,322 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 15:16:59,323 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 15:16:59,323 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 15:16:59,329 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 15:16:59,330 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:16:59" (1/1) ... [2024-10-13 15:16:59,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74aba917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:16:59, skipping insertion in model container [2024-10-13 15:16:59,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:16:59" (1/1) ... [2024-10-13 15:16:59,402 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 15:17:00,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 15:17:00,237 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 15:17:00,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 15:17:00,558 INFO L204 MainTranslator]: Completed translation [2024-10-13 15:17:00,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:17:00 WrapperNode [2024-10-13 15:17:00,558 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 15:17:00,559 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 15:17:00,560 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 15:17:00,560 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 15:17:00,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:17:00" (1/1) ... [2024-10-13 15:17:00,607 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:17:00" (1/1) ... [2024-10-13 15:17:00,645 INFO L138 Inliner]: procedures = 501, calls = 46, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 241 [2024-10-13 15:17:00,645 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 15:17:00,650 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 15:17:00,651 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 15:17:00,651 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 15:17:00,663 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:17:00" (1/1) ... [2024-10-13 15:17:00,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:17:00" (1/1) ... [2024-10-13 15:17:00,667 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:17:00" (1/1) ... [2024-10-13 15:17:00,680 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-13 15:17:00,680 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:17:00" (1/1) ... [2024-10-13 15:17:00,680 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:17:00" (1/1) ... [2024-10-13 15:17:00,686 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:17:00" (1/1) ... [2024-10-13 15:17:00,689 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:17:00" (1/1) ... [2024-10-13 15:17:00,691 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:17:00" (1/1) ... [2024-10-13 15:17:00,693 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:17:00" (1/1) ... [2024-10-13 15:17:00,698 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 15:17:00,702 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 15:17:00,702 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 15:17:00,702 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 15:17:00,703 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:17:00" (1/1) ... [2024-10-13 15:17:00,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 15:17:00,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 15:17:00,745 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 15:17:00,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 15:17:00,795 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-10-13 15:17:00,796 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-10-13 15:17:00,796 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-13 15:17:00,796 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-13 15:17:00,796 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2024-10-13 15:17:00,796 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2024-10-13 15:17:00,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 15:17:00,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 15:17:00,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 15:17:00,797 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsFalse [2024-10-13 15:17:00,797 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsFalse [2024-10-13 15:17:00,969 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 15:17:00,972 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 15:17:01,393 INFO L? ?]: Removed 104 outVars from TransFormulas that were not future-live. [2024-10-13 15:17:01,393 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 15:17:01,421 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 15:17:01,421 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 15:17:01,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:17:01 BoogieIcfgContainer [2024-10-13 15:17:01,422 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 15:17:01,424 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 15:17:01,424 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 15:17:01,427 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 15:17:01,427 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 03:16:59" (1/3) ... [2024-10-13 15:17:01,428 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27799a6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:17:01, skipping insertion in model container [2024-10-13 15:17:01,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:17:00" (2/3) ... [2024-10-13 15:17:01,428 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27799a6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:17:01, skipping insertion in model container [2024-10-13 15:17:01,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:17:01" (3/3) ... [2024-10-13 15:17:01,429 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_11_good.i [2024-10-13 15:17:01,445 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 15:17:01,445 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-10-13 15:17:01,503 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 15:17:01,509 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;@31c6e301, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 15:17:01,509 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-13 15:17:01,514 INFO L276 IsEmpty]: Start isEmpty. Operand has 126 states, 95 states have (on average 1.5157894736842106) internal successors, (144), 103 states have internal predecessors, (144), 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) [2024-10-13 15:17:01,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-13 15:17:01,520 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:17:01,521 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] [2024-10-13 15:17:01,521 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 15:17:01,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:17:01,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1413681509, now seen corresponding path program 1 times [2024-10-13 15:17:01,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:17:01,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897230757] [2024-10-13 15:17:01,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:17:01,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:17:01,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:01,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 15:17:01,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:01,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 15:17:01,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:01,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 15:17:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:01,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 15:17:01,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 15:17:01,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897230757] [2024-10-13 15:17:01,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897230757] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:17:01,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 15:17:01,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 15:17:01,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808956244] [2024-10-13 15:17:01,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:17:01,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 15:17:01,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 15:17:01,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 15:17:01,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 15:17:01,958 INFO L87 Difference]: Start difference. First operand has 126 states, 95 states have (on average 1.5157894736842106) internal successors, (144), 103 states have internal predecessors, (144), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-13 15:17:02,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:17:02,032 INFO L93 Difference]: Finished difference Result 224 states and 316 transitions. [2024-10-13 15:17:02,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 15:17:02,035 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 20 [2024-10-13 15:17:02,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:17:02,045 INFO L225 Difference]: With dead ends: 224 [2024-10-13 15:17:02,045 INFO L226 Difference]: Without dead ends: 120 [2024-10-13 15:17:02,048 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 15:17:02,053 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 0 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 15:17:02,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 510 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:17:02,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-10-13 15:17:02,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-10-13 15:17:02,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 92 states have (on average 1.4891304347826086) internal successors, (137), 99 states have internal predecessors, (137), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-13 15:17:02,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 169 transitions. [2024-10-13 15:17:02,097 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 169 transitions. Word has length 20 [2024-10-13 15:17:02,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:17:02,098 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 169 transitions. [2024-10-13 15:17:02,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-13 15:17:02,098 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 169 transitions. [2024-10-13 15:17:02,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-13 15:17:02,099 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:17:02,099 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, 1, 1, 1, 1, 1] [2024-10-13 15:17:02,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 15:17:02,100 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 15:17:02,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:17:02,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1592306120, now seen corresponding path program 1 times [2024-10-13 15:17:02,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:17:02,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747174845] [2024-10-13 15:17:02,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:17:02,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:17:02,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:02,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 15:17:02,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:02,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 15:17:02,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:02,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 15:17:02,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:02,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 15:17:02,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 15:17:02,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747174845] [2024-10-13 15:17:02,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747174845] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:17:02,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 15:17:02,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 15:17:02,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261370756] [2024-10-13 15:17:02,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:17:02,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 15:17:02,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 15:17:02,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 15:17:02,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:17:02,206 INFO L87 Difference]: Start difference. First operand 120 states and 169 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, (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) [2024-10-13 15:17:02,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:17:02,252 INFO L93 Difference]: Finished difference Result 120 states and 169 transitions. [2024-10-13 15:17:02,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 15:17:02,253 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, (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 26 [2024-10-13 15:17:02,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:17:02,255 INFO L225 Difference]: With dead ends: 120 [2024-10-13 15:17:02,255 INFO L226 Difference]: Without dead ends: 119 [2024-10-13 15:17:02,255 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 [2024-10-13 15:17:02,256 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 1 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 15:17:02,257 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 313 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:17:02,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-10-13 15:17:02,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2024-10-13 15:17:02,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 92 states have (on average 1.4782608695652173) internal successors, (136), 98 states have internal predecessors, (136), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-13 15:17:02,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 168 transitions. [2024-10-13 15:17:02,268 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 168 transitions. Word has length 26 [2024-10-13 15:17:02,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:17:02,268 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 168 transitions. [2024-10-13 15:17:02,269 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, (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) [2024-10-13 15:17:02,269 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 168 transitions. [2024-10-13 15:17:02,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-13 15:17:02,270 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:17:02,270 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, 1, 1, 1, 1, 1, 1] [2024-10-13 15:17:02,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 15:17:02,270 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 15:17:02,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:17:02,271 INFO L85 PathProgramCache]: Analyzing trace with hash -2116849312, now seen corresponding path program 1 times [2024-10-13 15:17:02,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:17:02,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363174559] [2024-10-13 15:17:02,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:17:02,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:17:02,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:02,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 15:17:02,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:02,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 15:17:02,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:02,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 15:17:02,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:02,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 15:17:02,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 15:17:02,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363174559] [2024-10-13 15:17:02,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363174559] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:17:02,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 15:17:02,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 15:17:02,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199004601] [2024-10-13 15:17:02,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:17:02,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 15:17:02,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 15:17:02,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 15:17:02,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:17:02,376 INFO L87 Difference]: Start difference. First operand 119 states and 168 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, (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) [2024-10-13 15:17:02,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:17:02,433 INFO L93 Difference]: Finished difference Result 119 states and 168 transitions. [2024-10-13 15:17:02,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 15:17:02,435 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, (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 27 [2024-10-13 15:17:02,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:17:02,436 INFO L225 Difference]: With dead ends: 119 [2024-10-13 15:17:02,439 INFO L226 Difference]: Without dead ends: 118 [2024-10-13 15:17:02,439 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 [2024-10-13 15:17:02,440 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 36 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 15:17:02,441 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 278 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:17:02,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-10-13 15:17:02,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-10-13 15:17:02,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 92 states have (on average 1.4673913043478262) internal successors, (135), 97 states have internal predecessors, (135), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-13 15:17:02,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 167 transitions. [2024-10-13 15:17:02,454 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 167 transitions. Word has length 27 [2024-10-13 15:17:02,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:17:02,455 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 167 transitions. [2024-10-13 15:17:02,456 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, (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) [2024-10-13 15:17:02,457 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 167 transitions. [2024-10-13 15:17:02,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-13 15:17:02,458 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:17:02,458 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:17:02,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 15:17:02,459 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 15:17:02,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:17:02,459 INFO L85 PathProgramCache]: Analyzing trace with hash -533993932, now seen corresponding path program 1 times [2024-10-13 15:17:02,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:17:02,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572693786] [2024-10-13 15:17:02,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:17:02,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:17:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:02,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 15:17:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:02,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 15:17:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:02,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 15:17:02,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:02,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 15:17:02,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:02,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 15:17:02,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:02,600 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 15:17:02,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 15:17:02,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572693786] [2024-10-13 15:17:02,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572693786] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 15:17:02,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [947585238] [2024-10-13 15:17:02,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:17:02,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 15:17:02,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 15:17:02,604 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 15:17:02,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 15:17:02,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:02,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 15:17:02,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 15:17:02,767 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-13 15:17:02,767 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 15:17:02,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [947585238] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:17:02,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 15:17:02,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-10-13 15:17:02,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898355075] [2024-10-13 15:17:02,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:17:02,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 15:17:02,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 15:17:02,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 15:17:02,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 15:17:02,770 INFO L87 Difference]: Start difference. First operand 118 states and 167 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, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-13 15:17:02,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:17:02,816 INFO L93 Difference]: Finished difference Result 170 states and 231 transitions. [2024-10-13 15:17:02,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 15:17:02,817 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, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 38 [2024-10-13 15:17:02,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:17:02,819 INFO L225 Difference]: With dead ends: 170 [2024-10-13 15:17:02,819 INFO L226 Difference]: Without dead ends: 123 [2024-10-13 15:17:02,819 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 15:17:02,821 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 36 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 15:17:02,822 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 282 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:17:02,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-10-13 15:17:02,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 122. [2024-10-13 15:17:02,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 95 states have (on average 1.4631578947368422) internal successors, (139), 100 states have internal predecessors, (139), 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) [2024-10-13 15:17:02,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 173 transitions. [2024-10-13 15:17:02,832 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 173 transitions. Word has length 38 [2024-10-13 15:17:02,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:17:02,833 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 173 transitions. [2024-10-13 15:17:02,833 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, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-13 15:17:02,833 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 173 transitions. [2024-10-13 15:17:02,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-13 15:17:02,835 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:17:02,835 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:17:02,852 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-13 15:17:03,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 15:17:03,040 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 15:17:03,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:17:03,040 INFO L85 PathProgramCache]: Analyzing trace with hash -683775925, now seen corresponding path program 1 times [2024-10-13 15:17:03,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:17:03,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680938943] [2024-10-13 15:17:03,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:17:03,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:17:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:03,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 15:17:03,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:03,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 15:17:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:03,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 15:17:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:03,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 15:17:03,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:03,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 15:17:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:03,137 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-13 15:17:03,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 15:17:03,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680938943] [2024-10-13 15:17:03,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680938943] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:17:03,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 15:17:03,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 15:17:03,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579191003] [2024-10-13 15:17:03,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:17:03,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 15:17:03,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 15:17:03,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 15:17:03,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:17:03,139 INFO L87 Difference]: Start difference. First operand 122 states and 173 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 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) [2024-10-13 15:17:03,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:17:03,174 INFO L93 Difference]: Finished difference Result 122 states and 173 transitions. [2024-10-13 15:17:03,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 15:17:03,175 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 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 44 [2024-10-13 15:17:03,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:17:03,176 INFO L225 Difference]: With dead ends: 122 [2024-10-13 15:17:03,176 INFO L226 Difference]: Without dead ends: 121 [2024-10-13 15:17:03,176 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 [2024-10-13 15:17:03,177 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 1 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 15:17:03,177 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 309 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:17:03,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-10-13 15:17:03,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-10-13 15:17:03,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 95 states have (on average 1.4526315789473685) internal successors, (138), 99 states have internal predecessors, (138), 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) [2024-10-13 15:17:03,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 172 transitions. [2024-10-13 15:17:03,198 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 172 transitions. Word has length 44 [2024-10-13 15:17:03,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:17:03,198 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 172 transitions. [2024-10-13 15:17:03,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 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) [2024-10-13 15:17:03,199 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 172 transitions. [2024-10-13 15:17:03,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-13 15:17:03,203 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:17:03,203 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:17:03,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 15:17:03,204 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 15:17:03,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:17:03,204 INFO L85 PathProgramCache]: Analyzing trace with hash 277783070, now seen corresponding path program 1 times [2024-10-13 15:17:03,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:17:03,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244937324] [2024-10-13 15:17:03,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:17:03,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:17:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:03,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 15:17:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:03,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 15:17:03,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:03,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 15:17:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:03,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 15:17:03,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:03,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 15:17:03,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:03,305 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-13 15:17:03,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 15:17:03,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244937324] [2024-10-13 15:17:03,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244937324] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:17:03,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 15:17:03,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 15:17:03,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835733762] [2024-10-13 15:17:03,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:17:03,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 15:17:03,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 15:17:03,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 15:17:03,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:17:03,310 INFO L87 Difference]: Start difference. First operand 121 states and 172 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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) [2024-10-13 15:17:03,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:17:03,345 INFO L93 Difference]: Finished difference Result 122 states and 173 transitions. [2024-10-13 15:17:03,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 15:17:03,346 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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 45 [2024-10-13 15:17:03,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:17:03,348 INFO L225 Difference]: With dead ends: 122 [2024-10-13 15:17:03,348 INFO L226 Difference]: Without dead ends: 121 [2024-10-13 15:17:03,349 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 [2024-10-13 15:17:03,350 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 40 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 15:17:03,353 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 278 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:17:03,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-10-13 15:17:03,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 120. [2024-10-13 15:17:03,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 95 states have (on average 1.4421052631578948) internal successors, (137), 98 states have internal predecessors, (137), 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) [2024-10-13 15:17:03,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 171 transitions. [2024-10-13 15:17:03,372 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 171 transitions. Word has length 45 [2024-10-13 15:17:03,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:17:03,372 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 171 transitions. [2024-10-13 15:17:03,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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) [2024-10-13 15:17:03,373 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 171 transitions. [2024-10-13 15:17:03,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-13 15:17:03,374 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:17:03,375 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:17:03,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 15:17:03,379 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 15:17:03,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:17:03,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1033280273, now seen corresponding path program 1 times [2024-10-13 15:17:03,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:17:03,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464304772] [2024-10-13 15:17:03,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:17:03,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:17:03,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:03,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 15:17:03,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:03,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 15:17:03,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:03,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 15:17:03,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:03,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 15:17:03,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:03,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 15:17:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:03,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 15:17:03,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:03,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 15:17:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:03,513 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-13 15:17:03,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 15:17:03,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464304772] [2024-10-13 15:17:03,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464304772] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 15:17:03,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [218345717] [2024-10-13 15:17:03,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:17:03,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 15:17:03,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 15:17:03,519 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 15:17:03,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 15:17:03,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:03,621 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 15:17:03,624 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 15:17:03,651 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-13 15:17:03,651 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 15:17:03,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [218345717] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:17:03,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 15:17:03,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-13 15:17:03,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602056049] [2024-10-13 15:17:03,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:17:03,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 15:17:03,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 15:17:03,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 15:17:03,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 15:17:03,654 INFO L87 Difference]: Start difference. First operand 120 states and 171 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, (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) [2024-10-13 15:17:03,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:17:03,683 INFO L93 Difference]: Finished difference Result 142 states and 198 transitions. [2024-10-13 15:17:03,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 15:17:03,684 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, (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 48 [2024-10-13 15:17:03,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:17:03,686 INFO L225 Difference]: With dead ends: 142 [2024-10-13 15:17:03,687 INFO L226 Difference]: Without dead ends: 127 [2024-10-13 15:17:03,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 15:17:03,690 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 2 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 15:17:03,691 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 309 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:17:03,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-10-13 15:17:03,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 125. [2024-10-13 15:17:03,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 99 states have (on average 1.4343434343434343) internal successors, (142), 102 states have internal predecessors, (142), 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) [2024-10-13 15:17:03,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 178 transitions. [2024-10-13 15:17:03,708 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 178 transitions. Word has length 48 [2024-10-13 15:17:03,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:17:03,708 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 178 transitions. [2024-10-13 15:17:03,708 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, (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) [2024-10-13 15:17:03,708 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 178 transitions. [2024-10-13 15:17:03,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-10-13 15:17:03,710 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:17:03,710 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:17:03,731 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-13 15:17:03,917 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,SelfDestructingSolverStorable6 [2024-10-13 15:17:03,918 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 15:17:03,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:17:03,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1966917692, now seen corresponding path program 1 times [2024-10-13 15:17:03,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:17:03,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19135585] [2024-10-13 15:17:03,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:17:03,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:17:03,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:03,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 15:17:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:04,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 15:17:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:04,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 15:17:04,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:04,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 15:17:04,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:04,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 15:17:04,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:04,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 15:17:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:04,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 15:17:04,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:04,034 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-13 15:17:04,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 15:17:04,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19135585] [2024-10-13 15:17:04,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19135585] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 15:17:04,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1272877364] [2024-10-13 15:17:04,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:17:04,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 15:17:04,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 15:17:04,037 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 15:17:04,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 15:17:04,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:04,124 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 15:17:04,125 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 15:17:04,148 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-13 15:17:04,149 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 15:17:04,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1272877364] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:17:04,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 15:17:04,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-13 15:17:04,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786371999] [2024-10-13 15:17:04,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:17:04,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 15:17:04,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 15:17:04,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 15:17:04,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 15:17:04,152 INFO L87 Difference]: Start difference. First operand 125 states and 178 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-10-13 15:17:04,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:17:04,181 INFO L93 Difference]: Finished difference Result 126 states and 179 transitions. [2024-10-13 15:17:04,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 15:17:04,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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 49 [2024-10-13 15:17:04,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:17:04,183 INFO L225 Difference]: With dead ends: 126 [2024-10-13 15:17:04,183 INFO L226 Difference]: Without dead ends: 125 [2024-10-13 15:17:04,183 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 15:17:04,183 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 4 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 298 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 [2024-10-13 15:17:04,184 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 298 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:17:04,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-10-13 15:17:04,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 124. [2024-10-13 15:17:04,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 99 states have (on average 1.4242424242424243) internal successors, (141), 101 states have internal predecessors, (141), 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) [2024-10-13 15:17:04,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 177 transitions. [2024-10-13 15:17:04,197 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 177 transitions. Word has length 49 [2024-10-13 15:17:04,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:17:04,197 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 177 transitions. [2024-10-13 15:17:04,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-10-13 15:17:04,198 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 177 transitions. [2024-10-13 15:17:04,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-13 15:17:04,199 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:17:04,199 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:17:04,218 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-13 15:17:04,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 15:17:04,400 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 15:17:04,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:17:04,400 INFO L85 PathProgramCache]: Analyzing trace with hash -607092836, now seen corresponding path program 1 times [2024-10-13 15:17:04,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:17:04,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415845750] [2024-10-13 15:17:04,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:17:04,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:17:04,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:04,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 15:17:04,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:04,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 15:17:04,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:04,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 15:17:04,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:04,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 15:17:04,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:04,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 15:17:04,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:04,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 15:17:04,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:04,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 15:17:04,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:04,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 15:17:04,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:04,522 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-13 15:17:04,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 15:17:04,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415845750] [2024-10-13 15:17:04,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415845750] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 15:17:04,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149546973] [2024-10-13 15:17:04,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:17:04,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 15:17:04,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 15:17:04,525 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 15:17:04,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-13 15:17:04,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:04,620 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 15:17:04,621 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 15:17:04,645 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 15:17:04,646 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 15:17:04,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149546973] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:17:04,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 15:17:04,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-10-13 15:17:04,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082969954] [2024-10-13 15:17:04,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:17:04,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 15:17:04,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 15:17:04,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 15:17:04,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 15:17:04,648 INFO L87 Difference]: Start difference. First operand 124 states and 177 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-10-13 15:17:04,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:17:04,669 INFO L93 Difference]: Finished difference Result 144 states and 198 transitions. [2024-10-13 15:17:04,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 15:17:04,669 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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 54 [2024-10-13 15:17:04,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:17:04,671 INFO L225 Difference]: With dead ends: 144 [2024-10-13 15:17:04,671 INFO L226 Difference]: Without dead ends: 123 [2024-10-13 15:17:04,671 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 15:17:04,672 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 1 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 312 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 [2024-10-13 15:17:04,672 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 312 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:17:04,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-10-13 15:17:04,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 122. [2024-10-13 15:17:04,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 98 states have (on average 1.4081632653061225) internal successors, (138), 99 states have internal predecessors, (138), 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) [2024-10-13 15:17:04,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 174 transitions. [2024-10-13 15:17:04,680 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 174 transitions. Word has length 54 [2024-10-13 15:17:04,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:17:04,683 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 174 transitions. [2024-10-13 15:17:04,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-10-13 15:17:04,683 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 174 transitions. [2024-10-13 15:17:04,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-13 15:17:04,684 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:17:04,684 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:17:04,702 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-13 15:17:04,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 15:17:04,889 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 15:17:04,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:17:04,889 INFO L85 PathProgramCache]: Analyzing trace with hash 239640127, now seen corresponding path program 1 times [2024-10-13 15:17:04,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:17:04,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349846112] [2024-10-13 15:17:04,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:17:04,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:17:04,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:04,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 15:17:04,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:04,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 15:17:04,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:04,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 15:17:04,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:04,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 15:17:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:04,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 15:17:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:04,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 15:17:04,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:04,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 15:17:04,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:04,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 15:17:04,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:04,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 15:17:04,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:04,975 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-13 15:17:04,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 15:17:04,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349846112] [2024-10-13 15:17:04,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349846112] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 15:17:04,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655233939] [2024-10-13 15:17:04,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:17:04,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 15:17:04,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 15:17:04,978 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 15:17:04,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-13 15:17:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:05,060 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 15:17:05,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 15:17:05,077 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-13 15:17:05,077 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 15:17:05,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [655233939] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:17:05,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 15:17:05,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-13 15:17:05,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030673894] [2024-10-13 15:17:05,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:17:05,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 15:17:05,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 15:17:05,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 15:17:05,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 15:17:05,080 INFO L87 Difference]: Start difference. First operand 122 states and 174 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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) [2024-10-13 15:17:05,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:17:05,101 INFO L93 Difference]: Finished difference Result 129 states and 182 transitions. [2024-10-13 15:17:05,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 15:17:05,101 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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 59 [2024-10-13 15:17:05,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:17:05,103 INFO L225 Difference]: With dead ends: 129 [2024-10-13 15:17:05,103 INFO L226 Difference]: Without dead ends: 128 [2024-10-13 15:17:05,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 15:17:05,104 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 1 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 309 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 [2024-10-13 15:17:05,104 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 309 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:17:05,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-10-13 15:17:05,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 127. [2024-10-13 15:17:05,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 102 states have (on average 1.392156862745098) internal successors, (142), 103 states have internal predecessors, (142), 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) [2024-10-13 15:17:05,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 180 transitions. [2024-10-13 15:17:05,115 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 180 transitions. Word has length 59 [2024-10-13 15:17:05,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:17:05,115 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 180 transitions. [2024-10-13 15:17:05,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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) [2024-10-13 15:17:05,115 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 180 transitions. [2024-10-13 15:17:05,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-13 15:17:05,117 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:17:05,117 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:17:05,134 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-13 15:17:05,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-13 15:17:05,318 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 15:17:05,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:17:05,318 INFO L85 PathProgramCache]: Analyzing trace with hash -569706499, now seen corresponding path program 1 times [2024-10-13 15:17:05,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:17:05,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122238126] [2024-10-13 15:17:05,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:17:05,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:17:05,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:05,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 15:17:05,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:05,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 15:17:05,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:05,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 15:17:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:05,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 15:17:05,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:05,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 15:17:05,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:05,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 15:17:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:05,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 15:17:05,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:05,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 15:17:05,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:05,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 15:17:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:05,403 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-13 15:17:05,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 15:17:05,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122238126] [2024-10-13 15:17:05,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122238126] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 15:17:05,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [545712358] [2024-10-13 15:17:05,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:17:05,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 15:17:05,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 15:17:05,406 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 15:17:05,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-13 15:17:05,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:05,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 15:17:05,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 15:17:05,522 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-13 15:17:05,523 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 15:17:05,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [545712358] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:17:05,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 15:17:05,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-10-13 15:17:05,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731118882] [2024-10-13 15:17:05,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:17:05,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 15:17:05,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 15:17:05,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 15:17:05,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 15:17:05,524 INFO L87 Difference]: Start difference. First operand 127 states and 180 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2024-10-13 15:17:05,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:17:05,545 INFO L93 Difference]: Finished difference Result 129 states and 181 transitions. [2024-10-13 15:17:05,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 15:17:05,546 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 59 [2024-10-13 15:17:05,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:17:05,547 INFO L225 Difference]: With dead ends: 129 [2024-10-13 15:17:05,548 INFO L226 Difference]: Without dead ends: 121 [2024-10-13 15:17:05,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 15:17:05,549 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 0 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 15:17:05,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 310 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:17:05,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-10-13 15:17:05,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-10-13 15:17:05,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 98 states have (on average 1.3877551020408163) internal successors, (136), 98 states have internal predecessors, (136), 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) [2024-10-13 15:17:05,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 172 transitions. [2024-10-13 15:17:05,557 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 172 transitions. Word has length 59 [2024-10-13 15:17:05,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:17:05,557 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 172 transitions. [2024-10-13 15:17:05,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2024-10-13 15:17:05,557 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 172 transitions. [2024-10-13 15:17:05,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-10-13 15:17:05,559 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:17:05,559 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:17:05,577 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-13 15:17:05,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 15:17:05,761 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 15:17:05,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:17:05,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1161090325, now seen corresponding path program 1 times [2024-10-13 15:17:05,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:17:05,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474141298] [2024-10-13 15:17:05,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:17:05,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:17:05,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:05,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 15:17:05,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:05,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 15:17:05,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:05,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 15:17:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:05,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 15:17:05,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:05,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 15:17:05,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:05,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 15:17:05,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:05,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 15:17:05,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:05,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 15:17:05,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:05,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 15:17:05,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:05,873 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-13 15:17:05,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 15:17:05,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474141298] [2024-10-13 15:17:05,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474141298] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 15:17:05,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1456502647] [2024-10-13 15:17:05,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:17:05,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 15:17:05,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 15:17:05,879 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 15:17:05,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-13 15:17:05,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:05,972 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 15:17:05,974 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 15:17:05,990 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-13 15:17:05,990 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 15:17:05,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1456502647] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:17:05,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 15:17:05,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-13 15:17:05,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767708794] [2024-10-13 15:17:05,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:17:05,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 15:17:05,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 15:17:05,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 15:17:05,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 15:17:05,992 INFO L87 Difference]: Start difference. First operand 121 states and 172 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2024-10-13 15:17:06,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:17:06,008 INFO L93 Difference]: Finished difference Result 121 states and 172 transitions. [2024-10-13 15:17:06,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 15:17:06,009 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 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 60 [2024-10-13 15:17:06,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:17:06,009 INFO L225 Difference]: With dead ends: 121 [2024-10-13 15:17:06,009 INFO L226 Difference]: Without dead ends: 0 [2024-10-13 15:17:06,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 15:17:06,010 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 1 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 15:17:06,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 301 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:17:06,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-13 15:17:06,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-13 15:17:06,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 15:17:06,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-13 15:17:06,012 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2024-10-13 15:17:06,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:17:06,012 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 15:17:06,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2024-10-13 15:17:06,012 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-13 15:17:06,012 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-13 15:17:06,015 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-10-13 15:17:06,015 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-10-13 15:17:06,015 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-10-13 15:17:06,015 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-10-13 15:17:06,016 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-10-13 15:17:06,016 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-10-13 15:17:06,016 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-10-13 15:17:06,016 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-10-13 15:17:06,035 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-13 15:17:06,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 15:17:06,219 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:17:06,221 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-13 15:17:06,267 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 15:17:06,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 03:17:06 BoogieIcfgContainer [2024-10-13 15:17:06,283 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 15:17:06,284 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 15:17:06,284 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 15:17:06,284 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 15:17:06,284 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:17:01" (3/4) ... [2024-10-13 15:17:06,286 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 15:17:06,290 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-10-13 15:17:06,290 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsFalse [2024-10-13 15:17:06,290 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-10-13 15:17:06,291 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrue [2024-10-13 15:17:06,301 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-10-13 15:17:06,302 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-10-13 15:17:06,302 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-13 15:17:06,302 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 15:17:06,411 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 15:17:06,411 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 15:17:06,412 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 15:17:06,412 INFO L158 Benchmark]: Toolchain (without parser) took 7090.62ms. Allocated memory was 157.3MB in the beginning and 218.1MB in the end (delta: 60.8MB). Free memory was 82.7MB in the beginning and 153.6MB in the end (delta: -71.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 15:17:06,412 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 121.6MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 15:17:06,413 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1235.39ms. Allocated memory is still 157.3MB. Free memory was 82.7MB in the beginning and 85.0MB in the end (delta: -2.4MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. [2024-10-13 15:17:06,413 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.32ms. Allocated memory is still 157.3MB. Free memory was 85.0MB in the beginning and 80.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 15:17:06,413 INFO L158 Benchmark]: Boogie Preprocessor took 50.78ms. Allocated memory is still 157.3MB. Free memory was 80.9MB in the beginning and 78.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 15:17:06,414 INFO L158 Benchmark]: RCFGBuilder took 720.32ms. Allocated memory is still 157.3MB. Free memory was 78.0MB in the beginning and 119.0MB in the end (delta: -41.0MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2024-10-13 15:17:06,414 INFO L158 Benchmark]: TraceAbstraction took 4859.41ms. Allocated memory was 157.3MB in the beginning and 218.1MB in the end (delta: 60.8MB). Free memory was 118.1MB in the beginning and 161.0MB in the end (delta: -42.9MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2024-10-13 15:17:06,414 INFO L158 Benchmark]: Witness Printer took 127.95ms. Allocated memory is still 218.1MB. Free memory was 161.0MB in the beginning and 153.6MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-13 15:17:06,415 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 121.6MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1235.39ms. Allocated memory is still 157.3MB. Free memory was 82.7MB in the beginning and 85.0MB in the end (delta: -2.4MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.32ms. Allocated memory is still 157.3MB. Free memory was 85.0MB in the beginning and 80.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.78ms. Allocated memory is still 157.3MB. Free memory was 80.9MB in the beginning and 78.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 720.32ms. Allocated memory is still 157.3MB. Free memory was 78.0MB in the beginning and 119.0MB in the end (delta: -41.0MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. * TraceAbstraction took 4859.41ms. Allocated memory was 157.3MB in the beginning and 218.1MB in the end (delta: 60.8MB). Free memory was 118.1MB in the beginning and 161.0MB in the end (delta: -42.9MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. * Witness Printer took 127.95ms. Allocated memory is still 218.1MB. Free memory was 161.0MB in the beginning and 153.6MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 126 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, OverallIterations: 12, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 129 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 123 mSDsluCounter, 3809 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1884 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 211 IncrementalHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 1925 mSDtfsCounter, 211 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 538 GetRequests, 511 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=10, InterpolantAutomatonStates: 37, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 7 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 896 NumberOfCodeBlocks, 896 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 877 ConstructedInterpolants, 0 QuantifiedInterpolants, 1031 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1200 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 19 InterpolantComputations, 12 PerfectInterpolantSequences, 289/308 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - ProcedureContractResult [Line: 1510]: Procedure Contract for globalReturnsTrue Derived contract for procedure globalReturnsTrue. Ensures: (\result == 1) RESULT: Ultimate proved your program to be correct! [2024-10-13 15:17:06,439 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE