./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_08_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/CWE191_Integer_Underflow__int_rand_sub_08_good.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2977efd2d5ad4d675080b4eb7ad25e4e139daa92bd76e63bdcb184ae91de9ac9 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 16:06:18,082 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 16:06:18,153 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-13 16:06:18,158 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 16:06:18,159 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 16:06:18,177 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 16:06:18,178 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 16:06:18,178 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 16:06:18,179 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 16:06:18,179 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 16:06:18,180 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 16:06:18,180 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 16:06:18,180 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 16:06:18,181 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 16:06:18,181 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 16:06:18,182 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 16:06:18,182 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 16:06:18,183 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 16:06:18,183 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 16:06:18,186 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 16:06:18,186 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 16:06:18,187 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 16:06:18,187 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 16:06:18,187 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 16:06:18,187 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 16:06:18,188 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 16:06:18,188 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 16:06:18,188 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 16:06:18,189 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 16:06:18,189 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 16:06:18,189 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 16:06:18,190 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:06:18,190 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 16:06:18,191 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 16:06:18,191 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 16:06:18,191 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 16:06:18,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 16:06:18,192 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 16:06:18,192 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 16:06:18,192 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 16:06:18,192 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 16:06:18,193 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2977efd2d5ad4d675080b4eb7ad25e4e139daa92bd76e63bdcb184ae91de9ac9 [2024-10-13 16:06:18,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 16:06:18,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 16:06:18,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 16:06:18,501 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 16:06:18,502 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 16:06:18,503 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_08_good.i [2024-10-13 16:06:19,972 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 16:06:20,302 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 16:06:20,303 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_08_good.i [2024-10-13 16:06:20,335 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bf03531d/e3a1ac40ac2b4f04998db0ff498d1bab/FLAGda24deb05 [2024-10-13 16:06:20,352 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bf03531d/e3a1ac40ac2b4f04998db0ff498d1bab [2024-10-13 16:06:20,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 16:06:20,358 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 16:06:20,360 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 16:06:20,361 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 16:06:20,366 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 16:06:20,367 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:06:20" (1/1) ... [2024-10-13 16:06:20,369 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11af0e8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:06:20, skipping insertion in model container [2024-10-13 16:06:20,369 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:06:20" (1/1) ... [2024-10-13 16:06:20,428 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 16:06:21,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:06:21,106 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 16:06:21,203 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:06:21,363 INFO L204 MainTranslator]: Completed translation [2024-10-13 16:06:21,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:06:21 WrapperNode [2024-10-13 16:06:21,364 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 16:06:21,365 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 16:06:21,365 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 16:06:21,365 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 16:06:21,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:06:21" (1/1) ... [2024-10-13 16:06:21,409 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:06:21" (1/1) ... [2024-10-13 16:06:21,451 INFO L138 Inliner]: procedures = 503, calls = 46, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 237 [2024-10-13 16:06:21,455 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 16:06:21,456 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 16:06:21,456 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 16:06:21,456 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 16:06:21,470 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:06:21" (1/1) ... [2024-10-13 16:06:21,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:06:21" (1/1) ... [2024-10-13 16:06:21,474 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:06:21" (1/1) ... [2024-10-13 16:06:21,498 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-13 16:06:21,501 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:06:21" (1/1) ... [2024-10-13 16:06:21,502 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:06:21" (1/1) ... [2024-10-13 16:06:21,507 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:06:21" (1/1) ... [2024-10-13 16:06:21,509 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:06:21" (1/1) ... [2024-10-13 16:06:21,511 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:06:21" (1/1) ... [2024-10-13 16:06:21,512 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:06:21" (1/1) ... [2024-10-13 16:06:21,517 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 16:06:21,518 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 16:06:21,521 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 16:06:21,521 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 16:06:21,522 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:06:21" (1/1) ... [2024-10-13 16:06:21,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:06:21,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:06:21,563 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 16:06:21,566 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 16:06:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-10-13 16:06:21,612 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-10-13 16:06:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-13 16:06:21,613 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-13 16:06:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 16:06:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 16:06:21,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 16:06:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-10-13 16:06:21,613 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-10-13 16:06:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2024-10-13 16:06:21,614 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2024-10-13 16:06:21,748 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 16:06:21,750 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 16:06:22,099 INFO L? ?]: Removed 100 outVars from TransFormulas that were not future-live. [2024-10-13 16:06:22,099 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 16:06:22,131 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 16:06:22,132 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 16:06:22,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:06:22 BoogieIcfgContainer [2024-10-13 16:06:22,132 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 16:06:22,135 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 16:06:22,135 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 16:06:22,138 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 16:06:22,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 04:06:20" (1/3) ... [2024-10-13 16:06:22,140 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ff11ab5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:06:22, skipping insertion in model container [2024-10-13 16:06:22,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:06:21" (2/3) ... [2024-10-13 16:06:22,140 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ff11ab5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:06:22, skipping insertion in model container [2024-10-13 16:06:22,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:06:22" (3/3) ... [2024-10-13 16:06:22,142 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_sub_08_good.i [2024-10-13 16:06:22,157 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 16:06:22,157 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-10-13 16:06:22,215 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 16:06:22,222 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;@2b108e93, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 16:06:22,223 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-13 16:06:22,230 INFO L276 IsEmpty]: Start isEmpty. Operand has 122 states, 91 states have (on average 1.4945054945054945) internal successors, (136), 99 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 16:06:22,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-13 16:06:22,242 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:06:22,242 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:06:22,243 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 16:06:22,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:06:22,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1336767886, now seen corresponding path program 1 times [2024-10-13 16:06:22,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:06:22,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852657600] [2024-10-13 16:06:22,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:06:22,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:06:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:22,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 16:06:22,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:22,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 16:06:22,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:22,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 16:06:22,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:22,687 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 16:06:22,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:06:22,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852657600] [2024-10-13 16:06:22,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852657600] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:06:22,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:06:22,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 16:06:22,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758242791] [2024-10-13 16:06:22,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:06:22,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:06:22,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:06:22,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:06:22,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:06:22,728 INFO L87 Difference]: Start difference. First operand has 122 states, 91 states have (on average 1.4945054945054945) internal successors, (136), 99 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) Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-13 16:06:22,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:06:22,812 INFO L93 Difference]: Finished difference Result 216 states and 300 transitions. [2024-10-13 16:06:22,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:06:22,816 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 19 [2024-10-13 16:06:22,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:06:22,825 INFO L225 Difference]: With dead ends: 216 [2024-10-13 16:06:22,825 INFO L226 Difference]: Without dead ends: 116 [2024-10-13 16:06:22,829 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 16:06:22,834 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 0 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 486 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 16:06:22,835 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 486 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:06:22,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-10-13 16:06:22,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-10-13 16:06:22,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 88 states have (on average 1.4772727272727273) internal successors, (130), 95 states have internal predecessors, (130), 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 16:06:22,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 162 transitions. [2024-10-13 16:06:22,886 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 162 transitions. Word has length 19 [2024-10-13 16:06:22,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:06:22,889 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 162 transitions. [2024-10-13 16:06:22,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-13 16:06:22,889 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 162 transitions. [2024-10-13 16:06:22,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-13 16:06:22,891 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:06:22,891 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] [2024-10-13 16:06:22,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 16:06:22,892 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 16:06:22,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:06:22,896 INFO L85 PathProgramCache]: Analyzing trace with hash 381343541, now seen corresponding path program 1 times [2024-10-13 16:06:22,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:06:22,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498253693] [2024-10-13 16:06:22,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:06:22,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:06:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:22,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 16:06:22,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:22,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 16:06:22,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:22,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 16:06:22,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:22,985 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 16:06:22,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:06:22,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498253693] [2024-10-13 16:06:22,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498253693] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:06:22,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:06:22,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:06:22,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575193443] [2024-10-13 16:06:22,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:06:22,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:06:22,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:06:22,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:06:22,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:06:22,991 INFO L87 Difference]: Start difference. First operand 116 states and 162 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (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 16:06:23,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:06:23,038 INFO L93 Difference]: Finished difference Result 116 states and 162 transitions. [2024-10-13 16:06:23,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:06:23,040 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (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 25 [2024-10-13 16:06:23,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:06:23,042 INFO L225 Difference]: With dead ends: 116 [2024-10-13 16:06:23,042 INFO L226 Difference]: Without dead ends: 115 [2024-10-13 16:06:23,042 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 16:06:23,043 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 37 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 266 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 16:06:23,044 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 266 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:06:23,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-10-13 16:06:23,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-10-13 16:06:23,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 88 states have (on average 1.4659090909090908) internal successors, (129), 94 states have internal predecessors, (129), 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 16:06:23,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 161 transitions. [2024-10-13 16:06:23,058 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 161 transitions. Word has length 25 [2024-10-13 16:06:23,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:06:23,058 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 161 transitions. [2024-10-13 16:06:23,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (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 16:06:23,059 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 161 transitions. [2024-10-13 16:06:23,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-13 16:06:23,060 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:06:23,061 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 16:06:23,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 16:06:23,062 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 16:06:23,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:06:23,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1063251968, now seen corresponding path program 1 times [2024-10-13 16:06:23,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:06:23,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59383151] [2024-10-13 16:06:23,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:06:23,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:06:23,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:23,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 16:06:23,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:23,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 16:06:23,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:23,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 16:06:23,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:23,185 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 16:06:23,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:06:23,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59383151] [2024-10-13 16:06:23,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59383151] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:06:23,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:06:23,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:06:23,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158145206] [2024-10-13 16:06:23,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:06:23,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:06:23,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:06:23,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:06:23,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:06:23,193 INFO L87 Difference]: Start difference. First operand 115 states and 161 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-13 16:06:23,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:06:23,229 INFO L93 Difference]: Finished difference Result 116 states and 162 transitions. [2024-10-13 16:06:23,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:06:23,230 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), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 26 [2024-10-13 16:06:23,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:06:23,231 INFO L225 Difference]: With dead ends: 116 [2024-10-13 16:06:23,231 INFO L226 Difference]: Without dead ends: 115 [2024-10-13 16:06:23,231 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 16:06:23,232 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 38 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 259 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 16:06:23,233 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 259 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:06:23,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-10-13 16:06:23,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 114. [2024-10-13 16:06:23,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 88 states have (on average 1.4545454545454546) internal successors, (128), 93 states have internal predecessors, (128), 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 16:06:23,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 160 transitions. [2024-10-13 16:06:23,253 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 160 transitions. Word has length 26 [2024-10-13 16:06:23,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:06:23,254 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 160 transitions. [2024-10-13 16:06:23,254 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), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-13 16:06:23,254 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 160 transitions. [2024-10-13 16:06:23,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-13 16:06:23,256 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:06:23,256 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:06:23,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 16:06:23,256 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 16:06:23,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:06:23,257 INFO L85 PathProgramCache]: Analyzing trace with hash -643721588, now seen corresponding path program 1 times [2024-10-13 16:06:23,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:06:23,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076331785] [2024-10-13 16:06:23,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:06:23,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:06:23,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:23,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 16:06:23,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:23,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 16:06:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:23,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 16:06:23,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:23,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 16:06:23,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:23,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 16:06:23,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:23,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 16:06:23,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:23,353 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-13 16:06:23,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:06:23,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076331785] [2024-10-13 16:06:23,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076331785] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:06:23,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:06:23,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 16:06:23,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101991908] [2024-10-13 16:06:23,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:06:23,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:06:23,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:06:23,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:06:23,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:06:23,357 INFO L87 Difference]: Start difference. First operand 114 states and 160 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-13 16:06:23,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:06:23,384 INFO L93 Difference]: Finished difference Result 188 states and 259 transitions. [2024-10-13 16:06:23,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:06:23,385 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 42 [2024-10-13 16:06:23,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:06:23,386 INFO L225 Difference]: With dead ends: 188 [2024-10-13 16:06:23,386 INFO L226 Difference]: Without dead ends: 112 [2024-10-13 16:06:23,386 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:06:23,387 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 0 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 16:06:23,387 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 447 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:06:23,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-10-13 16:06:23,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2024-10-13 16:06:23,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 87 states have (on average 1.4482758620689655) internal successors, (126), 92 states have internal predecessors, (126), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-13 16:06:23,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 156 transitions. [2024-10-13 16:06:23,394 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 156 transitions. Word has length 42 [2024-10-13 16:06:23,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:06:23,394 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 156 transitions. [2024-10-13 16:06:23,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-13 16:06:23,394 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 156 transitions. [2024-10-13 16:06:23,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-13 16:06:23,395 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:06:23,395 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] [2024-10-13 16:06:23,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 16:06:23,396 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 16:06:23,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:06:23,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1268274132, now seen corresponding path program 1 times [2024-10-13 16:06:23,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:06:23,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974551490] [2024-10-13 16:06:23,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:06:23,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:06:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:23,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 16:06:23,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:23,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 16:06:23,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:23,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 16:06:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:23,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 16:06:23,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:23,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 16:06:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:23,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 16:06:23,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:23,494 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 16:06:23,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:06:23,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974551490] [2024-10-13 16:06:23,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974551490] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:06:23,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077125448] [2024-10-13 16:06:23,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:06:23,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:06:23,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:06:23,498 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 16:06:23,499 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 16:06:23,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:23,602 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 16:06:23,608 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:06:23,666 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 16:06:23,667 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:06:23,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2077125448] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:06:23,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 16:06:23,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-13 16:06:23,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062206222] [2024-10-13 16:06:23,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:06:23,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:06:23,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:06:23,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:06:23,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:06:23,672 INFO L87 Difference]: Start difference. First operand 112 states and 156 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-13 16:06:23,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:06:23,711 INFO L93 Difference]: Finished difference Result 158 states and 212 transitions. [2024-10-13 16:06:23,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:06:23,715 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 43 [2024-10-13 16:06:23,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:06:23,717 INFO L225 Difference]: With dead ends: 158 [2024-10-13 16:06:23,717 INFO L226 Difference]: Without dead ends: 119 [2024-10-13 16:06:23,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 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 16:06:23,722 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 37 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 253 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 16:06:23,722 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 253 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:06:23,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-10-13 16:06:23,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 117. [2024-10-13 16:06:23,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 91 states have (on average 1.4395604395604396) internal successors, (131), 96 states have internal predecessors, (131), 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 16:06:23,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 163 transitions. [2024-10-13 16:06:23,738 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 163 transitions. Word has length 43 [2024-10-13 16:06:23,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:06:23,739 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 163 transitions. [2024-10-13 16:06:23,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-13 16:06:23,739 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 163 transitions. [2024-10-13 16:06:23,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-13 16:06:23,740 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:06:23,741 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 16:06:23,760 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 16:06:23,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:06:23,943 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 16:06:23,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:06:23,944 INFO L85 PathProgramCache]: Analyzing trace with hash -661792172, now seen corresponding path program 1 times [2024-10-13 16:06:23,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:06:23,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761410352] [2024-10-13 16:06:23,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:06:23,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:06:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:24,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 16:06:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:24,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 16:06:24,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:24,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 16:06:24,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:24,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 16:06:24,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:24,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 16:06:24,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:24,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 16:06:24,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:24,082 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 16:06:24,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:06:24,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761410352] [2024-10-13 16:06:24,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761410352] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:06:24,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1018715244] [2024-10-13 16:06:24,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:06:24,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:06:24,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:06:24,086 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 16:06:24,087 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 16:06:24,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:24,180 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 16:06:24,182 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:06:24,210 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 16:06:24,211 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:06:24,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1018715244] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:06:24,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 16:06:24,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-13 16:06:24,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930434051] [2024-10-13 16:06:24,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:06:24,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:06:24,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:06:24,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:06:24,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:06:24,215 INFO L87 Difference]: Start difference. First operand 117 states and 163 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, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-13 16:06:24,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:06:24,234 INFO L93 Difference]: Finished difference Result 120 states and 166 transitions. [2024-10-13 16:06:24,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:06:24,234 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, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 44 [2024-10-13 16:06:24,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:06:24,235 INFO L225 Difference]: With dead ends: 120 [2024-10-13 16:06:24,235 INFO L226 Difference]: Without dead ends: 119 [2024-10-13 16:06:24,236 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:06:24,237 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 36 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 16:06:24,237 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 254 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:06:24,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-10-13 16:06:24,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 118. [2024-10-13 16:06:24,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 92 states have (on average 1.434782608695652) internal successors, (132), 97 states have internal predecessors, (132), 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 16:06:24,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 164 transitions. [2024-10-13 16:06:24,245 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 164 transitions. Word has length 44 [2024-10-13 16:06:24,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:06:24,245 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 164 transitions. [2024-10-13 16:06:24,246 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, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-13 16:06:24,246 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2024-10-13 16:06:24,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-10-13 16:06:24,247 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:06:24,247 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, 1, 1, 1, 1] [2024-10-13 16:06:24,262 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-13 16:06:24,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-13 16:06:24,448 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 16:06:24,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:06:24,448 INFO L85 PathProgramCache]: Analyzing trace with hash 68894543, now seen corresponding path program 1 times [2024-10-13 16:06:24,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:06:24,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819804443] [2024-10-13 16:06:24,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:06:24,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:06:24,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:24,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 16:06:24,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:24,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 16:06:24,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:24,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 16:06:24,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:24,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 16:06:24,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:24,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 16:06:24,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:24,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 16:06:24,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:24,512 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 16:06:24,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:06:24,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819804443] [2024-10-13 16:06:24,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819804443] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:06:24,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:06:24,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:06:24,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434996849] [2024-10-13 16:06:24,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:06:24,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:06:24,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:06:24,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:06:24,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:06:24,517 INFO L87 Difference]: Start difference. First operand 118 states and 164 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-13 16:06:24,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:06:24,545 INFO L93 Difference]: Finished difference Result 119 states and 165 transitions. [2024-10-13 16:06:24,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:06:24,548 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), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 49 [2024-10-13 16:06:24,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:06:24,549 INFO L225 Difference]: With dead ends: 119 [2024-10-13 16:06:24,549 INFO L226 Difference]: Without dead ends: 118 [2024-10-13 16:06:24,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:06:24,550 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 41 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 252 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 16:06:24,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 252 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:06:24,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-10-13 16:06:24,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 117. [2024-10-13 16:06:24,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 92 states have (on average 1.423913043478261) internal successors, (131), 96 states have internal predecessors, (131), 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 16:06:24,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 163 transitions. [2024-10-13 16:06:24,563 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 163 transitions. Word has length 49 [2024-10-13 16:06:24,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:06:24,563 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 163 transitions. [2024-10-13 16:06:24,564 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), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-13 16:06:24,564 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 163 transitions. [2024-10-13 16:06:24,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-10-13 16:06:24,565 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:06:24,565 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, 1, 1, 1, 1, 1] [2024-10-13 16:06:24,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 16:06:24,565 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 16:06:24,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:06:24,566 INFO L85 PathProgramCache]: Analyzing trace with hash 2135731089, now seen corresponding path program 1 times [2024-10-13 16:06:24,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:06:24,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478032628] [2024-10-13 16:06:24,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:06:24,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:06:24,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:24,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 16:06:24,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:24,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 16:06:24,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:24,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 16:06:24,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:24,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 16:06:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:24,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 16:06:24,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:24,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 16:06:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:24,701 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 16:06:24,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:06:24,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478032628] [2024-10-13 16:06:24,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478032628] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:06:24,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:06:24,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:06:24,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078122457] [2024-10-13 16:06:24,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:06:24,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:06:24,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:06:24,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:06:24,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:06:24,705 INFO L87 Difference]: Start difference. First operand 117 states and 163 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, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-13 16:06:24,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:06:24,729 INFO L93 Difference]: Finished difference Result 118 states and 164 transitions. [2024-10-13 16:06:24,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:06:24,730 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, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 50 [2024-10-13 16:06:24,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:06:24,732 INFO L225 Difference]: With dead ends: 118 [2024-10-13 16:06:24,733 INFO L226 Difference]: Without dead ends: 117 [2024-10-13 16:06:24,733 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:06:24,734 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 38 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 16:06:24,734 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 247 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:06:24,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-10-13 16:06:24,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 114. [2024-10-13 16:06:24,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 90 states have (on average 1.4222222222222223) internal successors, (128), 93 states have internal predecessors, (128), 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 16:06:24,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 160 transitions. [2024-10-13 16:06:24,748 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 160 transitions. Word has length 50 [2024-10-13 16:06:24,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:06:24,749 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 160 transitions. [2024-10-13 16:06:24,749 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, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-13 16:06:24,753 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 160 transitions. [2024-10-13 16:06:24,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-10-13 16:06:24,754 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:06:24,754 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, 1, 1, 1, 1] [2024-10-13 16:06:24,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 16:06:24,755 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 16:06:24,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:06:24,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1606880243, now seen corresponding path program 1 times [2024-10-13 16:06:24,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:06:24,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924972375] [2024-10-13 16:06:24,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:06:24,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:06:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:24,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 16:06:24,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:24,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 16:06:24,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:24,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 16:06:24,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:24,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 16:06:24,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:24,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 16:06:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:24,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 16:06:24,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:24,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 16:06:24,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:24,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 16:06:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:24,895 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 16:06:24,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:06:24,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924972375] [2024-10-13 16:06:24,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924972375] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:06:24,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [471303748] [2024-10-13 16:06:24,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:06:24,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:06:24,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:06:24,903 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 16:06:24,905 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 16:06:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:24,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 16:06:24,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:06:25,018 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 16:06:25,018 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:06:25,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [471303748] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:06:25,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 16:06:25,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-13 16:06:25,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910082566] [2024-10-13 16:06:25,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:06:25,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:06:25,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:06:25,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:06:25,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:06:25,021 INFO L87 Difference]: Start difference. First operand 114 states and 160 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (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 16:06:25,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:06:25,043 INFO L93 Difference]: Finished difference Result 115 states and 161 transitions. [2024-10-13 16:06:25,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:06:25,044 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (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 53 [2024-10-13 16:06:25,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:06:25,045 INFO L225 Difference]: With dead ends: 115 [2024-10-13 16:06:25,045 INFO L226 Difference]: Without dead ends: 114 [2024-10-13 16:06:25,045 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 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 16:06:25,046 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 5 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 16:06:25,047 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 280 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:06:25,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-10-13 16:06:25,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 113. [2024-10-13 16:06:25,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 90 states have (on average 1.4111111111111112) internal successors, (127), 92 states have internal predecessors, (127), 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 16:06:25,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 159 transitions. [2024-10-13 16:06:25,060 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 159 transitions. Word has length 53 [2024-10-13 16:06:25,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:06:25,060 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 159 transitions. [2024-10-13 16:06:25,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (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 16:06:25,060 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 159 transitions. [2024-10-13 16:06:25,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-13 16:06:25,061 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:06:25,061 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, 1, 1, 1, 1, 1] [2024-10-13 16:06:25,080 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 16:06:25,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:06:25,268 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 16:06:25,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:06:25,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1726320305, now seen corresponding path program 1 times [2024-10-13 16:06:25,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:06:25,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742057261] [2024-10-13 16:06:25,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:06:25,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:06:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:25,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 16:06:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:25,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 16:06:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:25,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 16:06:25,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:25,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 16:06:25,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:25,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 16:06:25,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:25,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 16:06:25,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:25,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 16:06:25,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:25,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 16:06:25,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:25,361 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 16:06:25,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:06:25,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742057261] [2024-10-13 16:06:25,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742057261] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:06:25,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1951801395] [2024-10-13 16:06:25,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:06:25,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:06:25,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:06:25,363 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 16:06:25,365 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 16:06:25,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:25,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 16:06:25,447 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:06:25,463 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 16:06:25,463 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:06:25,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1951801395] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:06:25,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 16:06:25,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-13 16:06:25,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910653375] [2024-10-13 16:06:25,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:06:25,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:06:25,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:06:25,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:06:25,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:06:25,465 INFO L87 Difference]: Start difference. First operand 113 states and 159 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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 16:06:25,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:06:25,484 INFO L93 Difference]: Finished difference Result 120 states and 168 transitions. [2024-10-13 16:06:25,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:06:25,484 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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 16:06:25,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:06:25,485 INFO L225 Difference]: With dead ends: 120 [2024-10-13 16:06:25,485 INFO L226 Difference]: Without dead ends: 119 [2024-10-13 16:06:25,486 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 16:06:25,486 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 1 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 16:06:25,487 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 290 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:06:25,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-10-13 16:06:25,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 118. [2024-10-13 16:06:25,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 94 states have (on average 1.4042553191489362) internal successors, (132), 96 states have internal predecessors, (132), 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 16:06:25,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 166 transitions. [2024-10-13 16:06:25,492 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 166 transitions. Word has length 54 [2024-10-13 16:06:25,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:06:25,493 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 166 transitions. [2024-10-13 16:06:25,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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 16:06:25,493 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 166 transitions. [2024-10-13 16:06:25,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-10-13 16:06:25,494 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:06:25,494 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, 1, 1, 1, 1, 1, 1] [2024-10-13 16:06:25,512 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-13 16:06:25,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:06:25,699 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 16:06:25,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:06:25,699 INFO L85 PathProgramCache]: Analyzing trace with hash 315036312, now seen corresponding path program 1 times [2024-10-13 16:06:25,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:06:25,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617765945] [2024-10-13 16:06:25,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:06:25,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:06:25,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:25,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 16:06:25,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:25,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 16:06:25,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:25,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 16:06:25,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:25,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 16:06:25,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:25,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 16:06:25,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:25,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 16:06:25,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:25,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 16:06:25,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:25,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 16:06:25,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:25,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 16:06:25,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:25,784 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 16:06:25,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:06:25,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617765945] [2024-10-13 16:06:25,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617765945] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:06:25,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16824317] [2024-10-13 16:06:25,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:06:25,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:06:25,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:06:25,787 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 16:06:25,788 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 16:06:25,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:25,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 16:06:25,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:06:25,891 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 16:06:25,892 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:06:25,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [16824317] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:06:25,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 16:06:25,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-13 16:06:25,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771934068] [2024-10-13 16:06:25,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:06:25,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:06:25,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:06:25,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:06:25,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:06:25,894 INFO L87 Difference]: Start difference. First operand 118 states and 166 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 16:06:25,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:06:25,910 INFO L93 Difference]: Finished difference Result 119 states and 167 transitions. [2024-10-13 16:06:25,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:06:25,911 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 60 [2024-10-13 16:06:25,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:06:25,912 INFO L225 Difference]: With dead ends: 119 [2024-10-13 16:06:25,912 INFO L226 Difference]: Without dead ends: 118 [2024-10-13 16:06:25,912 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 16:06:25,913 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 1 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 16:06:25,913 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 280 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:06:25,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-10-13 16:06:25,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 112. [2024-10-13 16:06:25,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 90 states have (on average 1.4) internal successors, (126), 91 states have internal predecessors, (126), 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 16:06:25,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 158 transitions. [2024-10-13 16:06:25,919 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 158 transitions. Word has length 60 [2024-10-13 16:06:25,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:06:25,919 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 158 transitions. [2024-10-13 16:06:25,919 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 16:06:25,920 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 158 transitions. [2024-10-13 16:06:25,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-13 16:06:25,920 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:06:25,921 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, 1, 1, 1, 1] [2024-10-13 16:06:25,939 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 16:06:26,121 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,SelfDestructingSolverStorable10 [2024-10-13 16:06:26,122 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 16:06:26,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:06:26,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1649591134, now seen corresponding path program 1 times [2024-10-13 16:06:26,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:06:26,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252365956] [2024-10-13 16:06:26,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:06:26,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:06:26,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:26,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 16:06:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:26,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 16:06:26,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:26,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 16:06:26,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:26,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 16:06:26,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:26,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 16:06:26,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:26,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 16:06:26,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:26,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 16:06:26,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:26,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 16:06:26,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:26,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 16:06:26,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:26,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 16:06:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:26,226 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 16:06:26,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:06:26,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252365956] [2024-10-13 16:06:26,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252365956] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:06:26,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1192561200] [2024-10-13 16:06:26,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:06:26,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:06:26,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:06:26,229 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 16:06:26,240 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 16:06:26,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:26,325 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 16:06:26,327 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:06:26,344 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 16:06:26,344 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:06:26,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1192561200] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:06:26,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 16:06:26,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-13 16:06:26,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195914316] [2024-10-13 16:06:26,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:06:26,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:06:26,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:06:26,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:06:26,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:06:26,346 INFO L87 Difference]: Start difference. First operand 112 states and 158 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-13 16:06:26,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:06:26,364 INFO L93 Difference]: Finished difference Result 112 states and 158 transitions. [2024-10-13 16:06:26,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:06:26,365 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 64 [2024-10-13 16:06:26,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:06:26,366 INFO L225 Difference]: With dead ends: 112 [2024-10-13 16:06:26,366 INFO L226 Difference]: Without dead ends: 111 [2024-10-13 16:06:26,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 83 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 16:06:26,367 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 3 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 16:06:26,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 282 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:06:26,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-10-13 16:06:26,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-10-13 16:06:26,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 90 states have (on average 1.3888888888888888) internal successors, (125), 90 states have internal predecessors, (125), 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 16:06:26,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 157 transitions. [2024-10-13 16:06:26,376 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 157 transitions. Word has length 64 [2024-10-13 16:06:26,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:06:26,377 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 157 transitions. [2024-10-13 16:06:26,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-13 16:06:26,377 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 157 transitions. [2024-10-13 16:06:26,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-10-13 16:06:26,378 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:06:26,378 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, 1, 1, 1, 1, 1] [2024-10-13 16:06:26,395 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 16:06:26,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:06:26,579 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 16:06:26,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:06:26,579 INFO L85 PathProgramCache]: Analyzing trace with hash 402282707, now seen corresponding path program 1 times [2024-10-13 16:06:26,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:06:26,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032466506] [2024-10-13 16:06:26,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:06:26,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:06:26,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:26,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 16:06:26,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:26,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 16:06:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:26,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 16:06:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:26,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 16:06:26,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:26,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 16:06:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:26,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 16:06:26,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:26,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 16:06:26,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:26,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 16:06:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:26,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 16:06:26,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:26,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 16:06:26,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:26,662 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 16:06:26,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:06:26,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032466506] [2024-10-13 16:06:26,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032466506] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:06:26,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1336300035] [2024-10-13 16:06:26,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:06:26,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:06:26,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:06:26,665 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 16:06:26,666 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 16:06:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:26,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 16:06:26,754 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:06:26,770 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 16:06:26,770 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:06:26,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1336300035] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:06:26,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 16:06:26,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-13 16:06:26,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474402167] [2024-10-13 16:06:26,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:06:26,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:06:26,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:06:26,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:06:26,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:06:26,772 INFO L87 Difference]: Start difference. First operand 111 states and 157 transitions. Second operand has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-13 16:06:26,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:06:26,787 INFO L93 Difference]: Finished difference Result 117 states and 163 transitions. [2024-10-13 16:06:26,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:06:26,788 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 65 [2024-10-13 16:06:26,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:06:26,789 INFO L225 Difference]: With dead ends: 117 [2024-10-13 16:06:26,789 INFO L226 Difference]: Without dead ends: 111 [2024-10-13 16:06:26,789 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 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 16:06:26,790 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 0 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 289 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 16:06:26,790 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 289 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:06:26,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-10-13 16:06:26,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-10-13 16:06:26,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 90 states have (on average 1.3777777777777778) internal successors, (124), 90 states have internal predecessors, (124), 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 16:06:26,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 156 transitions. [2024-10-13 16:06:26,795 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 156 transitions. Word has length 65 [2024-10-13 16:06:26,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:06:26,796 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 156 transitions. [2024-10-13 16:06:26,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-13 16:06:26,796 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 156 transitions. [2024-10-13 16:06:26,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-10-13 16:06:26,797 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:06:26,797 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, 1, 1, 1, 1, 1] [2024-10-13 16:06:26,814 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 16:06:26,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:06:26,998 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 16:06:26,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:06:26,998 INFO L85 PathProgramCache]: Analyzing trace with hash -407063919, now seen corresponding path program 1 times [2024-10-13 16:06:26,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:06:26,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538052178] [2024-10-13 16:06:26,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:06:26,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:06:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:27,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 16:06:27,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:27,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 16:06:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:27,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 16:06:27,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:27,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 16:06:27,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:27,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 16:06:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:27,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 16:06:27,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:27,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 16:06:27,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:27,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 16:06:27,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:27,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 16:06:27,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:27,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 16:06:27,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:27,086 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 16:06:27,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:06:27,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538052178] [2024-10-13 16:06:27,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538052178] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:06:27,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198717330] [2024-10-13 16:06:27,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:06:27,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:06:27,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:06:27,089 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 16:06:27,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-13 16:06:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:06:27,173 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 16:06:27,174 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:06:27,195 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 16:06:27,196 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:06:27,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [198717330] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:06:27,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 16:06:27,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-13 16:06:27,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497021064] [2024-10-13 16:06:27,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:06:27,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:06:27,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:06:27,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:06:27,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:06:27,198 INFO L87 Difference]: Start difference. First operand 111 states and 156 transitions. Second operand has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-13 16:06:27,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:06:27,211 INFO L93 Difference]: Finished difference Result 111 states and 156 transitions. [2024-10-13 16:06:27,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:06:27,212 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 65 [2024-10-13 16:06:27,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:06:27,213 INFO L225 Difference]: With dead ends: 111 [2024-10-13 16:06:27,213 INFO L226 Difference]: Without dead ends: 0 [2024-10-13 16:06:27,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 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 16:06:27,214 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 0 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 16:06:27,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 281 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:06:27,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-13 16:06:27,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-13 16:06:27,215 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 16:06:27,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-13 16:06:27,215 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2024-10-13 16:06:27,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:06:27,216 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 16:06:27,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-13 16:06:27,216 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-13 16:06:27,216 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-13 16:06:27,218 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-10-13 16:06:27,219 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-10-13 16:06:27,219 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-10-13 16:06:27,219 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-10-13 16:06:27,219 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-10-13 16:06:27,219 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-10-13 16:06:27,219 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-10-13 16:06:27,219 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-10-13 16:06:27,237 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-13 16:06:27,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-13 16:06:27,427 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:06:27,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-13 16:06:27,501 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 16:06:27,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 04:06:27 BoogieIcfgContainer [2024-10-13 16:06:27,516 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 16:06:27,516 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 16:06:27,516 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 16:06:27,516 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 16:06:27,517 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:06:22" (3/4) ... [2024-10-13 16:06:27,518 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 16:06:27,522 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-10-13 16:06:27,522 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsFalse [2024-10-13 16:06:27,522 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-10-13 16:06:27,522 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue [2024-10-13 16:06:27,529 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-10-13 16:06:27,530 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-10-13 16:06:27,531 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-13 16:06:27,531 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 16:06:27,642 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 16:06:27,642 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 16:06:27,642 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 16:06:27,643 INFO L158 Benchmark]: Toolchain (without parser) took 7284.98ms. Allocated memory was 180.4MB in the beginning and 237.0MB in the end (delta: 56.6MB). Free memory was 136.8MB in the beginning and 86.4MB in the end (delta: 50.5MB). Peak memory consumption was 107.8MB. Max. memory is 16.1GB. [2024-10-13 16:06:27,643 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory was 72.2MB in the beginning and 72.0MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:06:27,644 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1004.14ms. Allocated memory is still 180.4MB. Free memory was 136.8MB in the beginning and 115.3MB in the end (delta: 21.5MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-10-13 16:06:27,644 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.78ms. Allocated memory is still 180.4MB. Free memory was 115.3MB in the beginning and 112.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 16:06:27,644 INFO L158 Benchmark]: Boogie Preprocessor took 61.03ms. Allocated memory is still 180.4MB. Free memory was 112.3MB in the beginning and 109.0MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 16:06:27,644 INFO L158 Benchmark]: RCFGBuilder took 614.72ms. Allocated memory is still 180.4MB. Free memory was 109.0MB in the beginning and 82.5MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-10-13 16:06:27,645 INFO L158 Benchmark]: TraceAbstraction took 5380.85ms. Allocated memory was 180.4MB in the beginning and 237.0MB in the end (delta: 56.6MB). Free memory was 81.7MB in the beginning and 93.7MB in the end (delta: -12.0MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. [2024-10-13 16:06:27,645 INFO L158 Benchmark]: Witness Printer took 126.42ms. Allocated memory is still 237.0MB. Free memory was 93.7MB in the beginning and 86.4MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-13 16:06:27,646 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory was 72.2MB in the beginning and 72.0MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1004.14ms. Allocated memory is still 180.4MB. Free memory was 136.8MB in the beginning and 115.3MB in the end (delta: 21.5MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.78ms. Allocated memory is still 180.4MB. Free memory was 115.3MB in the beginning and 112.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.03ms. Allocated memory is still 180.4MB. Free memory was 112.3MB in the beginning and 109.0MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 614.72ms. Allocated memory is still 180.4MB. Free memory was 109.0MB in the beginning and 82.5MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 5380.85ms. Allocated memory was 180.4MB in the beginning and 237.0MB in the end (delta: 56.6MB). Free memory was 81.7MB in the beginning and 93.7MB in the end (delta: -12.0MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. * Witness Printer took 126.42ms. Allocated memory is still 237.0MB. Free memory was 93.7MB in the beginning and 86.4MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1617]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1617]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 122 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 5.2s, OverallIterations: 14, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 246 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 237 mSDsluCounter, 4166 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2082 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 218 IncrementalHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 2084 mSDtfsCounter, 218 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 666 GetRequests, 634 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=122occurred in iteration=0, InterpolantAutomatonStates: 44, 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, 14 MinimizatonAttempts, 16 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1107 NumberOfCodeBlocks, 1107 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 1085 ConstructedInterpolants, 0 QuantifiedInterpolants, 1319 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1420 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 22 InterpolantComputations, 14 PerfectInterpolantSequences, 310/330 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - ProcedureContractResult [Line: 1552]: Procedure Contract for staticReturnsFalse Derived contract for procedure staticReturnsFalse. Ensures: (\result == 0) - ProcedureContractResult [Line: 1548]: Procedure Contract for staticReturnsTrue Derived contract for procedure staticReturnsTrue. Ensures: (\result == 1) RESULT: Ultimate proved your program to be correct! [2024-10-13 16:06:27,669 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