./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_08_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_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 7c0da28a3279531ae99c6f3d9af54307d4e61fead8521ccf951ebb6280d11476 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 22:28:06,556 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 22:28:06,629 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-14 22:28:06,632 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 22:28:06,633 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 22:28:06,651 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 22:28:06,651 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 22:28:06,652 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 22:28:06,652 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 22:28:06,652 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 22:28:06,653 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 22:28:06,653 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 22:28:06,653 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 22:28:06,654 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 22:28:06,654 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 22:28:06,654 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 22:28:06,655 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 22:28:06,655 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 22:28:06,655 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 22:28:06,656 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 22:28:06,660 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 22:28:06,660 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 22:28:06,660 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 22:28:06,661 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 22:28:06,661 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 22:28:06,661 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 22:28:06,661 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 22:28:06,661 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 22:28:06,662 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 22:28:06,662 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 22:28:06,662 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 22:28:06,662 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 22:28:06,662 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 22:28:06,663 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 22:28:06,663 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 22:28:06,663 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 22:28:06,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 22:28:06,665 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 22:28:06,665 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 22:28:06,665 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 22:28:06,666 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 22:28:06,666 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c0da28a3279531ae99c6f3d9af54307d4e61fead8521ccf951ebb6280d11476 [2024-10-14 22:28:06,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 22:28:06,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 22:28:06,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 22:28:06,936 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 22:28:06,936 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 22:28:06,937 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_08_good.i [2024-10-14 22:28:08,390 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 22:28:08,716 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 22:28:08,716 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_08_good.i [2024-10-14 22:28:08,748 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b23e075b7/39e82a833bd04a9bb849208707e72a46/FLAGdff21603c [2024-10-14 22:28:08,763 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b23e075b7/39e82a833bd04a9bb849208707e72a46 [2024-10-14 22:28:08,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 22:28:08,767 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 22:28:08,770 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 22:28:08,770 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 22:28:08,776 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 22:28:08,777 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:28:08" (1/1) ... [2024-10-14 22:28:08,778 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@774a00eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:28:08, skipping insertion in model container [2024-10-14 22:28:08,778 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:28:08" (1/1) ... [2024-10-14 22:28:08,837 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 22:28:09,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 22:28:09,595 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 22:28:09,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 22:28:09,879 INFO L204 MainTranslator]: Completed translation [2024-10-14 22:28:09,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:28:09 WrapperNode [2024-10-14 22:28:09,880 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 22:28:09,881 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 22:28:09,881 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 22:28:09,882 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 22:28:09,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:28:09" (1/1) ... [2024-10-14 22:28:09,927 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:28:09" (1/1) ... [2024-10-14 22:28:09,970 INFO L138 Inliner]: procedures = 503, calls = 46, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 237 [2024-10-14 22:28:09,973 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 22:28:09,974 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 22:28:09,977 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 22:28:09,978 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 22:28:09,989 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:28:09" (1/1) ... [2024-10-14 22:28:09,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:28:09" (1/1) ... [2024-10-14 22:28:09,995 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:28:09" (1/1) ... [2024-10-14 22:28:10,021 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-14 22:28:10,021 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:28:09" (1/1) ... [2024-10-14 22:28:10,021 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:28:09" (1/1) ... [2024-10-14 22:28:10,031 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:28:09" (1/1) ... [2024-10-14 22:28:10,033 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:28:09" (1/1) ... [2024-10-14 22:28:10,034 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:28:09" (1/1) ... [2024-10-14 22:28:10,035 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:28:09" (1/1) ... [2024-10-14 22:28:10,038 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 22:28:10,038 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 22:28:10,038 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 22:28:10,038 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 22:28:10,039 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:28:09" (1/1) ... [2024-10-14 22:28:10,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 22:28:10,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 22:28:10,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 22:28:10,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 22:28:10,109 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-10-14 22:28:10,109 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-10-14 22:28:10,109 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-14 22:28:10,109 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-14 22:28:10,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 22:28:10,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 22:28:10,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 22:28:10,110 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-10-14 22:28:10,110 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-10-14 22:28:10,110 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2024-10-14 22:28:10,110 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2024-10-14 22:28:10,236 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 22:28:10,238 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 22:28:10,585 INFO L? ?]: Removed 100 outVars from TransFormulas that were not future-live. [2024-10-14 22:28:10,585 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 22:28:10,619 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 22:28:10,619 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 22:28:10,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:28:10 BoogieIcfgContainer [2024-10-14 22:28:10,622 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 22:28:10,625 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 22:28:10,625 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 22:28:10,629 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 22:28:10,629 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:28:08" (1/3) ... [2024-10-14 22:28:10,630 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@155b9942 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:28:10, skipping insertion in model container [2024-10-14 22:28:10,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:28:09" (2/3) ... [2024-10-14 22:28:10,631 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@155b9942 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:28:10, skipping insertion in model container [2024-10-14 22:28:10,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:28:10" (3/3) ... [2024-10-14 22:28:10,632 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_08_good.i [2024-10-14 22:28:10,654 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 22:28:10,654 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-10-14 22:28:10,727 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 22:28:10,735 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;@202d9a74, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 22:28:10,736 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-14 22:28:10,741 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) [2024-10-14 22:28:10,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-14 22:28:10,750 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:28:10,751 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 22:28:10,753 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 22:28:10,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:28:10,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1336767886, now seen corresponding path program 1 times [2024-10-14 22:28:10,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 22:28:10,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573590963] [2024-10-14 22:28:10,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:28:10,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 22:28:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:11,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 22:28:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:11,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 22:28:11,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:11,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 22:28:11,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:11,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 22:28:11,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 22:28:11,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573590963] [2024-10-14 22:28:11,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573590963] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 22:28:11,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 22:28:11,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 22:28:11,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474267193] [2024-10-14 22:28:11,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 22:28:11,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 22:28:11,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 22:28:11,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 22:28:11,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 22:28:11,171 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) [2024-10-14 22:28:11,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 22:28:11,240 INFO L93 Difference]: Finished difference Result 216 states and 300 transitions. [2024-10-14 22:28:11,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 22:28:11,245 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 [2024-10-14 22:28:11,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 22:28:11,252 INFO L225 Difference]: With dead ends: 216 [2024-10-14 22:28:11,252 INFO L226 Difference]: Without dead ends: 116 [2024-10-14 22:28:11,255 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 22:28:11,258 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 [2024-10-14 22:28:11,258 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] [2024-10-14 22:28:11,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-10-14 22:28:11,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-10-14 22:28:11,292 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) [2024-10-14 22:28:11,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 162 transitions. [2024-10-14 22:28:11,296 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 162 transitions. Word has length 19 [2024-10-14 22:28:11,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 22:28:11,297 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 162 transitions. [2024-10-14 22:28:11,297 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) [2024-10-14 22:28:11,297 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 162 transitions. [2024-10-14 22:28:11,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-14 22:28:11,299 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:28:11,299 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] [2024-10-14 22:28:11,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 22:28:11,300 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)] === [2024-10-14 22:28:11,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:28:11,301 INFO L85 PathProgramCache]: Analyzing trace with hash 381343541, now seen corresponding path program 1 times [2024-10-14 22:28:11,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 22:28:11,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440049706] [2024-10-14 22:28:11,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:28:11,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 22:28:11,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:11,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 22:28:11,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:11,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 22:28:11,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:11,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 22:28:11,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:11,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 22:28:11,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 22:28:11,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440049706] [2024-10-14 22:28:11,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440049706] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 22:28:11,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 22:28:11,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 22:28:11,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40194619] [2024-10-14 22:28:11,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 22:28:11,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 22:28:11,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 22:28:11,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 22:28:11,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 22:28:11,570 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), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-14 22:28:11,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 22:28:11,618 INFO L93 Difference]: Finished difference Result 117 states and 163 transitions. [2024-10-14 22:28:11,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 22:28:11,621 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), 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 25 [2024-10-14 22:28:11,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 22:28:11,623 INFO L225 Difference]: With dead ends: 117 [2024-10-14 22:28:11,623 INFO L226 Difference]: Without dead ends: 116 [2024-10-14 22:28:11,623 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 22:28:11,627 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 39 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 22:28:11,627 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 259 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 22:28:11,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-10-14 22:28:11,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 115. [2024-10-14 22:28:11,639 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) [2024-10-14 22:28:11,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 161 transitions. [2024-10-14 22:28:11,640 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 161 transitions. Word has length 25 [2024-10-14 22:28:11,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 22:28:11,641 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 161 transitions. [2024-10-14 22:28:11,641 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), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-14 22:28:11,641 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 161 transitions. [2024-10-14 22:28:11,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-14 22:28:11,642 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:28:11,642 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] [2024-10-14 22:28:11,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 22:28:11,643 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)] === [2024-10-14 22:28:11,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:28:11,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1063251968, now seen corresponding path program 1 times [2024-10-14 22:28:11,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 22:28:11,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910278678] [2024-10-14 22:28:11,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:28:11,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 22:28:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:11,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 22:28:11,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:11,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 22:28:11,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:11,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 22:28:11,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:11,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 22:28:11,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 22:28:11,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910278678] [2024-10-14 22:28:11,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910278678] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 22:28:11,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 22:28:11,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 22:28:11,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187836045] [2024-10-14 22:28:11,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 22:28:11,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 22:28:11,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 22:28:11,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 22:28:11,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 22:28:11,723 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 22:28:11,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 22:28:11,757 INFO L93 Difference]: Finished difference Result 115 states and 161 transitions. [2024-10-14 22:28:11,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 22:28:11,761 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26 [2024-10-14 22:28:11,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 22:28:11,763 INFO L225 Difference]: With dead ends: 115 [2024-10-14 22:28:11,766 INFO L226 Difference]: Without dead ends: 114 [2024-10-14 22:28:11,767 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 22:28:11,768 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 36 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 266 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 [2024-10-14 22:28:11,768 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 266 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 22:28:11,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-10-14 22:28:11,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-10-14 22:28:11,780 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) [2024-10-14 22:28:11,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 160 transitions. [2024-10-14 22:28:11,781 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 160 transitions. Word has length 26 [2024-10-14 22:28:11,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 22:28:11,782 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 160 transitions. [2024-10-14 22:28:11,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 22:28:11,782 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 160 transitions. [2024-10-14 22:28:11,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-14 22:28:11,784 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:28:11,784 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] [2024-10-14 22:28:11,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 22:28:11,784 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 22:28:11,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:28:11,785 INFO L85 PathProgramCache]: Analyzing trace with hash -643721588, now seen corresponding path program 1 times [2024-10-14 22:28:11,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 22:28:11,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394202745] [2024-10-14 22:28:11,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:28:11,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 22:28:11,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:11,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 22:28:11,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:11,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 22:28:11,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:11,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 22:28:11,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:11,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 22:28:11,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:11,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 22:28:11,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:11,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 22:28:11,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:11,917 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-14 22:28:11,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 22:28:11,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394202745] [2024-10-14 22:28:11,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394202745] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 22:28:11,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 22:28:11,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 22:28:11,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830202378] [2024-10-14 22:28:11,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 22:28:11,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 22:28:11,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 22:28:11,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 22:28:11,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 22:28:11,920 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) [2024-10-14 22:28:11,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 22:28:11,957 INFO L93 Difference]: Finished difference Result 188 states and 259 transitions. [2024-10-14 22:28:11,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 22:28:11,959 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 [2024-10-14 22:28:11,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 22:28:11,960 INFO L225 Difference]: With dead ends: 188 [2024-10-14 22:28:11,960 INFO L226 Difference]: Without dead ends: 112 [2024-10-14 22:28:11,961 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 22:28:11,962 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 [2024-10-14 22:28:11,964 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] [2024-10-14 22:28:11,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-10-14 22:28:11,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2024-10-14 22:28:11,975 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) [2024-10-14 22:28:11,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 156 transitions. [2024-10-14 22:28:11,976 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 156 transitions. Word has length 42 [2024-10-14 22:28:11,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 22:28:11,977 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 156 transitions. [2024-10-14 22:28:11,977 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) [2024-10-14 22:28:11,977 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 156 transitions. [2024-10-14 22:28:11,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-14 22:28:11,978 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:28:11,978 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] [2024-10-14 22:28:11,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 22:28:11,979 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)] === [2024-10-14 22:28:11,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:28:11,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1268274132, now seen corresponding path program 1 times [2024-10-14 22:28:11,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 22:28:11,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310381565] [2024-10-14 22:28:11,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:28:11,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 22:28:11,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:12,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 22:28:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:12,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 22:28:12,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:12,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 22:28:12,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:12,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 22:28:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:12,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 22:28:12,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:12,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 22:28:12,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:12,062 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 22:28:12,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 22:28:12,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310381565] [2024-10-14 22:28:12,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310381565] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 22:28:12,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333407080] [2024-10-14 22:28:12,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:28:12,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 22:28:12,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 22:28:12,066 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 22:28:12,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 22:28:12,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:12,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 22:28:12,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 22:28:12,223 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-14 22:28:12,224 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 22:28:12,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [333407080] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 22:28:12,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 22:28:12,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-14 22:28:12,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038049911] [2024-10-14 22:28:12,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 22:28:12,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 22:28:12,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 22:28:12,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 22:28:12,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 22:28:12,226 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) [2024-10-14 22:28:12,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 22:28:12,259 INFO L93 Difference]: Finished difference Result 120 states and 168 transitions. [2024-10-14 22:28:12,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 22:28:12,260 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 [2024-10-14 22:28:12,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 22:28:12,262 INFO L225 Difference]: With dead ends: 120 [2024-10-14 22:28:12,262 INFO L226 Difference]: Without dead ends: 119 [2024-10-14 22:28:12,263 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 [2024-10-14 22:28:12,267 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 37 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 22:28:12,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 252 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 22:28:12,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-10-14 22:28:12,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 117. [2024-10-14 22:28:12,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 91 states have (on average 1.4505494505494505) internal successors, (132), 96 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) [2024-10-14 22:28:12,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 164 transitions. [2024-10-14 22:28:12,277 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 164 transitions. Word has length 43 [2024-10-14 22:28:12,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 22:28:12,277 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 164 transitions. [2024-10-14 22:28:12,277 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) [2024-10-14 22:28:12,278 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 164 transitions. [2024-10-14 22:28:12,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-14 22:28:12,279 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:28:12,279 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] [2024-10-14 22:28:12,298 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-14 22:28:12,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 22:28:12,480 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)] === [2024-10-14 22:28:12,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:28:12,481 INFO L85 PathProgramCache]: Analyzing trace with hash -661792172, now seen corresponding path program 1 times [2024-10-14 22:28:12,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 22:28:12,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547411276] [2024-10-14 22:28:12,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:28:12,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 22:28:12,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:12,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 22:28:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:12,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 22:28:12,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:12,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 22:28:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:12,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 22:28:12,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:12,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 22:28:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:12,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 22:28:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:12,568 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 22:28:12,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 22:28:12,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547411276] [2024-10-14 22:28:12,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547411276] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 22:28:12,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1937124427] [2024-10-14 22:28:12,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:28:12,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 22:28:12,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 22:28:12,573 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 22:28:12,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 22:28:12,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:12,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 22:28:12,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 22:28:12,695 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-14 22:28:12,695 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 22:28:12,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1937124427] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 22:28:12,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 22:28:12,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-14 22:28:12,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056000180] [2024-10-14 22:28:12,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 22:28:12,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 22:28:12,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 22:28:12,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 22:28:12,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 22:28:12,697 INFO L87 Difference]: Start difference. First operand 117 states and 164 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) [2024-10-14 22:28:12,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 22:28:12,731 INFO L93 Difference]: Finished difference Result 158 states and 211 transitions. [2024-10-14 22:28:12,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 22:28:12,732 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 [2024-10-14 22:28:12,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 22:28:12,734 INFO L225 Difference]: With dead ends: 158 [2024-10-14 22:28:12,735 INFO L226 Difference]: Without dead ends: 119 [2024-10-14 22:28:12,735 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 22:28:12,737 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 36 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 22:28:12,737 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 254 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 22:28:12,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-10-14 22:28:12,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 118. [2024-10-14 22:28:12,751 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) [2024-10-14 22:28:12,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 164 transitions. [2024-10-14 22:28:12,755 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 164 transitions. Word has length 44 [2024-10-14 22:28:12,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 22:28:12,756 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 164 transitions. [2024-10-14 22:28:12,756 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) [2024-10-14 22:28:12,756 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2024-10-14 22:28:12,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-10-14 22:28:12,757 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:28:12,757 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] [2024-10-14 22:28:12,775 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-14 22:28:12,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-14 22:28:12,958 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)] === [2024-10-14 22:28:12,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:28:12,959 INFO L85 PathProgramCache]: Analyzing trace with hash 68894543, now seen corresponding path program 1 times [2024-10-14 22:28:12,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 22:28:12,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107239357] [2024-10-14 22:28:12,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:28:12,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 22:28:12,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:13,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 22:28:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:13,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 22:28:13,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:13,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 22:28:13,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:13,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 22:28:13,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:13,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 22:28:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:13,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-14 22:28:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:13,103 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-14 22:28:13,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 22:28:13,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107239357] [2024-10-14 22:28:13,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107239357] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 22:28:13,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 22:28:13,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 22:28:13,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959546717] [2024-10-14 22:28:13,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 22:28:13,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 22:28:13,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 22:28:13,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 22:28:13,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 22:28:13,110 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), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-14 22:28:13,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 22:28:13,140 INFO L93 Difference]: Finished difference Result 119 states and 165 transitions. [2024-10-14 22:28:13,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 22:28:13,145 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, (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 49 [2024-10-14 22:28:13,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 22:28:13,146 INFO L225 Difference]: With dead ends: 119 [2024-10-14 22:28:13,146 INFO L226 Difference]: Without dead ends: 118 [2024-10-14 22:28:13,146 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 22:28:13,147 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 39 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 22:28:13,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 247 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 22:28:13,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-10-14 22:28:13,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 117. [2024-10-14 22:28:13,157 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) [2024-10-14 22:28:13,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 163 transitions. [2024-10-14 22:28:13,159 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 163 transitions. Word has length 49 [2024-10-14 22:28:13,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 22:28:13,159 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 163 transitions. [2024-10-14 22:28:13,159 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, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-14 22:28:13,160 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 163 transitions. [2024-10-14 22:28:13,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-10-14 22:28:13,161 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:28:13,161 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] [2024-10-14 22:28:13,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 22:28:13,161 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)] === [2024-10-14 22:28:13,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:28:13,162 INFO L85 PathProgramCache]: Analyzing trace with hash 2135731089, now seen corresponding path program 1 times [2024-10-14 22:28:13,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 22:28:13,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024738058] [2024-10-14 22:28:13,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:28:13,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 22:28:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:13,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 22:28:13,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:13,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 22:28:13,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:13,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 22:28:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:13,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 22:28:13,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:13,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 22:28:13,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:13,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-14 22:28:13,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:13,236 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-14 22:28:13,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 22:28:13,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024738058] [2024-10-14 22:28:13,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024738058] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 22:28:13,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 22:28:13,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 22:28:13,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278126985] [2024-10-14 22:28:13,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 22:28:13,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 22:28:13,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 22:28:13,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 22:28:13,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 22:28:13,240 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), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-14 22:28:13,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 22:28:13,266 INFO L93 Difference]: Finished difference Result 118 states and 164 transitions. [2024-10-14 22:28:13,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 22:28:13,267 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), 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 50 [2024-10-14 22:28:13,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 22:28:13,269 INFO L225 Difference]: With dead ends: 118 [2024-10-14 22:28:13,269 INFO L226 Difference]: Without dead ends: 117 [2024-10-14 22:28:13,269 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 22:28:13,269 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 40 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 258 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 [2024-10-14 22:28:13,270 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 258 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 22:28:13,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-10-14 22:28:13,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 114. [2024-10-14 22:28:13,282 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) [2024-10-14 22:28:13,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 160 transitions. [2024-10-14 22:28:13,283 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 160 transitions. Word has length 50 [2024-10-14 22:28:13,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 22:28:13,284 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 160 transitions. [2024-10-14 22:28:13,284 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), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-14 22:28:13,284 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 160 transitions. [2024-10-14 22:28:13,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-10-14 22:28:13,289 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:28:13,289 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] [2024-10-14 22:28:13,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 22:28:13,290 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)] === [2024-10-14 22:28:13,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:28:13,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1606880243, now seen corresponding path program 1 times [2024-10-14 22:28:13,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 22:28:13,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036823573] [2024-10-14 22:28:13,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:28:13,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 22:28:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:13,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 22:28:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:13,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 22:28:13,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:13,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 22:28:13,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:13,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 22:28:13,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:13,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 22:28:13,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:13,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 22:28:13,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:13,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-14 22:28:13,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:13,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 22:28:13,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:13,390 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-14 22:28:13,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 22:28:13,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036823573] [2024-10-14 22:28:13,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036823573] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 22:28:13,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [560116430] [2024-10-14 22:28:13,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:28:13,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 22:28:13,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 22:28:13,393 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 22:28:13,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 22:28:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:13,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 22:28:13,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 22:28:13,517 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-14 22:28:13,517 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 22:28:13,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [560116430] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 22:28:13,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 22:28:13,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-14 22:28:13,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282144049] [2024-10-14 22:28:13,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 22:28:13,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 22:28:13,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 22:28:13,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 22:28:13,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 22:28:13,520 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) [2024-10-14 22:28:13,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 22:28:13,543 INFO L93 Difference]: Finished difference Result 121 states and 170 transitions. [2024-10-14 22:28:13,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 22:28:13,543 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 [2024-10-14 22:28:13,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 22:28:13,546 INFO L225 Difference]: With dead ends: 121 [2024-10-14 22:28:13,546 INFO L226 Difference]: Without dead ends: 120 [2024-10-14 22:28:13,547 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 [2024-10-14 22:28:13,547 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 2 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 22:28:13,547 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 290 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 22:28:13,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-10-14 22:28:13,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 118. [2024-10-14 22:28:13,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 93 states have (on average 1.4193548387096775) 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) [2024-10-14 22:28:13,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 166 transitions. [2024-10-14 22:28:13,557 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 166 transitions. Word has length 53 [2024-10-14 22:28:13,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 22:28:13,557 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 166 transitions. [2024-10-14 22:28:13,557 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) [2024-10-14 22:28:13,558 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 166 transitions. [2024-10-14 22:28:13,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-14 22:28:13,559 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:28:13,559 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] [2024-10-14 22:28:13,577 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-14 22:28:13,760 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 [2024-10-14 22:28:13,761 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)] === [2024-10-14 22:28:13,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:28:13,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1726320305, now seen corresponding path program 1 times [2024-10-14 22:28:13,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 22:28:13,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644070291] [2024-10-14 22:28:13,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:28:13,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 22:28:13,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:13,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 22:28:13,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:13,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 22:28:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:13,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 22:28:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:13,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 22:28:13,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:13,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 22:28:13,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:13,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 22:28:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:13,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-14 22:28:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:13,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 22:28:13,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:13,838 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-14 22:28:13,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 22:28:13,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644070291] [2024-10-14 22:28:13,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644070291] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 22:28:13,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31262562] [2024-10-14 22:28:13,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:28:13,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 22:28:13,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 22:28:13,841 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 22:28:13,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 22:28:13,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:13,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 22:28:13,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 22:28:13,951 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-14 22:28:13,951 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 22:28:13,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [31262562] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 22:28:13,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 22:28:13,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-14 22:28:13,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964751371] [2024-10-14 22:28:13,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 22:28:13,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 22:28:13,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 22:28:13,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 22:28:13,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 22:28:13,953 INFO L87 Difference]: Start difference. First operand 118 states and 166 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) [2024-10-14 22:28:13,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 22:28:13,973 INFO L93 Difference]: Finished difference Result 119 states and 167 transitions. [2024-10-14 22:28:13,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 22:28:13,973 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 [2024-10-14 22:28:13,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 22:28:13,974 INFO L225 Difference]: With dead ends: 119 [2024-10-14 22:28:13,974 INFO L226 Difference]: Without dead ends: 118 [2024-10-14 22:28:13,975 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 [2024-10-14 22:28:13,975 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 4 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 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 [2024-10-14 22:28:13,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 280 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 22:28:13,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-10-14 22:28:13,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 117. [2024-10-14 22:28:13,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 93 states have (on average 1.4086021505376345) internal successors, (131), 95 states have internal predecessors, (131), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-14 22:28:13,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 165 transitions. [2024-10-14 22:28:13,984 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 165 transitions. Word has length 54 [2024-10-14 22:28:13,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 22:28:13,985 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 165 transitions. [2024-10-14 22:28:13,985 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) [2024-10-14 22:28:13,985 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 165 transitions. [2024-10-14 22:28:13,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-14 22:28:13,987 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:28:13,987 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] [2024-10-14 22:28:14,004 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-14 22:28:14,187 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 [2024-10-14 22:28:14,189 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 22:28:14,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:28:14,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1672730438, now seen corresponding path program 1 times [2024-10-14 22:28:14,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 22:28:14,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47930421] [2024-10-14 22:28:14,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:28:14,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 22:28:14,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:14,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 22:28:14,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:14,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 22:28:14,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:14,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 22:28:14,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:14,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 22:28:14,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:14,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 22:28:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:14,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 22:28:14,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:14,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-14 22:28:14,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:14,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 22:28:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:14,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 22:28:14,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:14,285 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-14 22:28:14,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 22:28:14,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47930421] [2024-10-14 22:28:14,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47930421] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 22:28:14,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [297362067] [2024-10-14 22:28:14,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:28:14,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 22:28:14,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 22:28:14,288 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 22:28:14,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 22:28:14,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:14,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 22:28:14,374 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 22:28:14,394 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 22:28:14,394 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 22:28:14,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [297362067] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 22:28:14,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 22:28:14,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-14 22:28:14,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887865166] [2024-10-14 22:28:14,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 22:28:14,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 22:28:14,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 22:28:14,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 22:28:14,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 22:28:14,396 INFO L87 Difference]: Start difference. First operand 117 states and 165 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, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-14 22:28:14,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 22:28:14,414 INFO L93 Difference]: Finished difference Result 118 states and 166 transitions. [2024-10-14 22:28:14,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 22:28:14,415 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, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 59 [2024-10-14 22:28:14,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 22:28:14,416 INFO L225 Difference]: With dead ends: 118 [2024-10-14 22:28:14,416 INFO L226 Difference]: Without dead ends: 117 [2024-10-14 22:28:14,416 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 22:28:14,417 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 2 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 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 [2024-10-14 22:28:14,417 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 280 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 22:28:14,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-10-14 22:28:14,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 112. [2024-10-14 22:28:14,422 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) [2024-10-14 22:28:14,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 158 transitions. [2024-10-14 22:28:14,423 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 158 transitions. Word has length 59 [2024-10-14 22:28:14,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 22:28:14,424 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 158 transitions. [2024-10-14 22:28:14,424 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, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-14 22:28:14,424 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 158 transitions. [2024-10-14 22:28:14,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-14 22:28:14,425 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:28:14,425 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] [2024-10-14 22:28:14,442 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-14 22:28:14,625 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 [2024-10-14 22:28:14,626 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)] === [2024-10-14 22:28:14,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:28:14,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1649591134, now seen corresponding path program 1 times [2024-10-14 22:28:14,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 22:28:14,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336099273] [2024-10-14 22:28:14,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:28:14,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 22:28:14,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:14,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 22:28:14,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:14,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 22:28:14,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:14,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 22:28:14,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:14,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 22:28:14,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:14,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 22:28:14,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:14,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 22:28:14,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:14,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-14 22:28:14,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:14,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 22:28:14,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:14,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 22:28:14,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:14,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-14 22:28:14,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:14,725 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-14 22:28:14,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 22:28:14,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336099273] [2024-10-14 22:28:14,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336099273] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 22:28:14,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270595375] [2024-10-14 22:28:14,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:28:14,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 22:28:14,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 22:28:14,728 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 22:28:14,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 22:28:14,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:14,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 22:28:14,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 22:28:14,833 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-14 22:28:14,833 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 22:28:14,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1270595375] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 22:28:14,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 22:28:14,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-14 22:28:14,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478858650] [2024-10-14 22:28:14,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 22:28:14,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 22:28:14,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 22:28:14,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 22:28:14,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 22:28:14,836 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) [2024-10-14 22:28:14,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 22:28:14,858 INFO L93 Difference]: Finished difference Result 118 states and 165 transitions. [2024-10-14 22:28:14,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 22:28:14,859 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 [2024-10-14 22:28:14,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 22:28:14,860 INFO L225 Difference]: With dead ends: 118 [2024-10-14 22:28:14,860 INFO L226 Difference]: Without dead ends: 117 [2024-10-14 22:28:14,860 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 [2024-10-14 22:28:14,862 INFO L432 NwaCegarLoop]: 151 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, 294 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 [2024-10-14 22:28:14,862 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 294 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 22:28:14,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-10-14 22:28:14,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 116. [2024-10-14 22:28:14,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 93 states have (on average 1.3870967741935485) internal successors, (129), 94 states have internal predecessors, (129), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-14 22:28:14,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 163 transitions. [2024-10-14 22:28:14,869 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 163 transitions. Word has length 64 [2024-10-14 22:28:14,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 22:28:14,870 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 163 transitions. [2024-10-14 22:28:14,870 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) [2024-10-14 22:28:14,870 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 163 transitions. [2024-10-14 22:28:14,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-14 22:28:14,871 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:28:14,871 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] [2024-10-14 22:28:14,888 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-14 22:28:15,072 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 [2024-10-14 22:28:15,072 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 22:28:15,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:28:15,073 INFO L85 PathProgramCache]: Analyzing trace with hash 125416228, now seen corresponding path program 1 times [2024-10-14 22:28:15,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 22:28:15,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597119026] [2024-10-14 22:28:15,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:28:15,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 22:28:15,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:15,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 22:28:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:15,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 22:28:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:15,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 22:28:15,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:15,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 22:28:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:15,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 22:28:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:15,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 22:28:15,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:15,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-14 22:28:15,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:15,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 22:28:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:15,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 22:28:15,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:15,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-14 22:28:15,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:15,164 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-14 22:28:15,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 22:28:15,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597119026] [2024-10-14 22:28:15,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597119026] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 22:28:15,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639526030] [2024-10-14 22:28:15,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:28:15,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 22:28:15,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 22:28:15,167 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) [2024-10-14 22:28:15,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-14 22:28:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:15,249 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 22:28:15,250 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 22:28:15,268 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-14 22:28:15,269 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 22:28:15,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [639526030] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 22:28:15,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 22:28:15,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-14 22:28:15,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501011639] [2024-10-14 22:28:15,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 22:28:15,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 22:28:15,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 22:28:15,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 22:28:15,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 22:28:15,271 INFO L87 Difference]: Start difference. First operand 116 states and 163 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) [2024-10-14 22:28:15,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 22:28:15,287 INFO L93 Difference]: Finished difference Result 116 states and 163 transitions. [2024-10-14 22:28:15,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 22:28:15,288 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 [2024-10-14 22:28:15,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 22:28:15,289 INFO L225 Difference]: With dead ends: 116 [2024-10-14 22:28:15,289 INFO L226 Difference]: Without dead ends: 115 [2024-10-14 22:28:15,289 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 [2024-10-14 22:28:15,290 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 1 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 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 [2024-10-14 22:28:15,290 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 282 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 22:28:15,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-10-14 22:28:15,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 111. [2024-10-14 22:28:15,295 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) [2024-10-14 22:28:15,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 157 transitions. [2024-10-14 22:28:15,295 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 157 transitions. Word has length 64 [2024-10-14 22:28:15,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 22:28:15,296 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 157 transitions. [2024-10-14 22:28:15,296 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) [2024-10-14 22:28:15,296 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 157 transitions. [2024-10-14 22:28:15,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-10-14 22:28:15,297 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:28:15,297 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] [2024-10-14 22:28:15,314 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-14 22:28:15,501 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 [2024-10-14 22:28:15,502 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)] === [2024-10-14 22:28:15,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:28:15,503 INFO L85 PathProgramCache]: Analyzing trace with hash 402282707, now seen corresponding path program 1 times [2024-10-14 22:28:15,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 22:28:15,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107248295] [2024-10-14 22:28:15,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:28:15,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 22:28:15,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:15,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 22:28:15,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:15,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 22:28:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:15,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 22:28:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:15,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 22:28:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:15,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 22:28:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:15,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 22:28:15,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:15,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-14 22:28:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:15,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 22:28:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:15,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 22:28:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:15,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-14 22:28:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:15,595 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-14 22:28:15,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 22:28:15,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107248295] [2024-10-14 22:28:15,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107248295] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 22:28:15,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086086666] [2024-10-14 22:28:15,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:28:15,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 22:28:15,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 22:28:15,598 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) [2024-10-14 22:28:15,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-14 22:28:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:28:15,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 22:28:15,688 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 22:28:15,703 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-14 22:28:15,703 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 22:28:15,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2086086666] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 22:28:15,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 22:28:15,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-14 22:28:15,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736120640] [2024-10-14 22:28:15,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 22:28:15,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 22:28:15,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 22:28:15,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 22:28:15,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 22:28:15,706 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) [2024-10-14 22:28:15,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 22:28:15,722 INFO L93 Difference]: Finished difference Result 111 states and 157 transitions. [2024-10-14 22:28:15,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 22:28:15,722 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 [2024-10-14 22:28:15,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 22:28:15,723 INFO L225 Difference]: With dead ends: 111 [2024-10-14 22:28:15,723 INFO L226 Difference]: Without dead ends: 0 [2024-10-14 22:28:15,723 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 [2024-10-14 22:28:15,724 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 2 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 22:28:15,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 282 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 22:28:15,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-14 22:28:15,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-14 22:28:15,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 22:28:15,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-14 22:28:15,726 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2024-10-14 22:28:15,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 22:28:15,726 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-14 22:28:15,726 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) [2024-10-14 22:28:15,726 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-14 22:28:15,727 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-14 22:28:15,729 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-10-14 22:28:15,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-10-14 22:28:15,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-10-14 22:28:15,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-10-14 22:28:15,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-10-14 22:28:15,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-10-14 22:28:15,731 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-10-14 22:28:15,731 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-10-14 22:28:15,748 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-14 22:28:15,931 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 [2024-10-14 22:28:15,935 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 22:28:15,937 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-14 22:28:16,008 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 22:28:16,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 10:28:16 BoogieIcfgContainer [2024-10-14 22:28:16,026 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 22:28:16,026 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 22:28:16,026 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 22:28:16,027 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 22:28:16,027 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:28:10" (3/4) ... [2024-10-14 22:28:16,029 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 22:28:16,033 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-10-14 22:28:16,033 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsFalse [2024-10-14 22:28:16,033 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-10-14 22:28:16,033 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue [2024-10-14 22:28:16,044 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-10-14 22:28:16,044 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-10-14 22:28:16,045 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-14 22:28:16,045 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 22:28:16,160 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 22:28:16,160 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 22:28:16,160 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 22:28:16,161 INFO L158 Benchmark]: Toolchain (without parser) took 7393.65ms. Allocated memory was 167.8MB in the beginning and 287.3MB in the end (delta: 119.5MB). Free memory was 106.6MB in the beginning and 215.6MB in the end (delta: -109.0MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2024-10-14 22:28:16,161 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 167.8MB. Free memory is still 130.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 22:28:16,161 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1110.76ms. Allocated memory was 167.8MB in the beginning and 239.1MB in the end (delta: 71.3MB). Free memory was 106.6MB in the beginning and 179.8MB in the end (delta: -73.2MB). Peak memory consumption was 59.5MB. Max. memory is 16.1GB. [2024-10-14 22:28:16,162 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.41ms. Allocated memory is still 239.1MB. Free memory was 179.8MB in the beginning and 175.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 22:28:16,162 INFO L158 Benchmark]: Boogie Preprocessor took 63.50ms. Allocated memory is still 239.1MB. Free memory was 175.6MB in the beginning and 173.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 22:28:16,163 INFO L158 Benchmark]: RCFGBuilder took 583.76ms. Allocated memory is still 239.1MB. Free memory was 173.5MB in the beginning and 145.2MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-10-14 22:28:16,163 INFO L158 Benchmark]: TraceAbstraction took 5401.05ms. Allocated memory was 239.1MB in the beginning and 287.3MB in the end (delta: 48.2MB). Free memory was 145.2MB in the beginning and 224.0MB in the end (delta: -78.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 22:28:16,163 INFO L158 Benchmark]: Witness Printer took 134.24ms. Allocated memory is still 287.3MB. Free memory was 224.0MB in the beginning and 215.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-14 22:28:16,164 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 167.8MB. Free memory is still 130.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1110.76ms. Allocated memory was 167.8MB in the beginning and 239.1MB in the end (delta: 71.3MB). Free memory was 106.6MB in the beginning and 179.8MB in the end (delta: -73.2MB). Peak memory consumption was 59.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.41ms. Allocated memory is still 239.1MB. Free memory was 179.8MB in the beginning and 175.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.50ms. Allocated memory is still 239.1MB. Free memory was 175.6MB in the beginning and 173.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 583.76ms. Allocated memory is still 239.1MB. Free memory was 173.5MB in the beginning and 145.2MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 5401.05ms. Allocated memory was 239.1MB in the beginning and 287.3MB in the end (delta: 48.2MB). Free memory was 145.2MB in the beginning and 224.0MB in the end (delta: -78.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 134.24ms. Allocated memory is still 287.3MB. Free memory was 224.0MB in the beginning and 215.6MB in the end (delta: 8.4MB). 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: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 248 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 239 mSDsluCounter, 4177 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2082 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 225 IncrementalHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 2095 mSDtfsCounter, 225 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 664 GetRequests, 632 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: 0.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 21 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1103 NumberOfCodeBlocks, 1103 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 1081 ConstructedInterpolants, 0 QuantifiedInterpolants, 1291 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1418 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! [2024-10-14 22:28:16,193 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