./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-nla/dijkstra6-both-nt.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-nla/dijkstra6-both-nt.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-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 32bit --witnessprinter.graph.data.programhash 12afb8178f03cf9f30c3db13fe59541339718c2babf1801d998ad3c12365b61d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 13:05:35,429 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 13:05:35,490 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 13:05:35,495 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 13:05:35,495 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 13:05:35,528 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 13:05:35,529 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 13:05:35,529 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 13:05:35,530 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 13:05:35,530 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 13:05:35,531 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 13:05:35,531 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 13:05:35,532 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 13:05:35,532 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 13:05:35,533 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 13:05:35,533 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 13:05:35,533 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 13:05:35,534 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 13:05:35,534 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 13:05:35,534 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 13:05:35,535 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 13:05:35,535 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 13:05:35,536 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 13:05:35,536 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 13:05:35,536 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 13:05:35,536 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 13:05:35,537 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 13:05:35,537 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 13:05:35,537 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 13:05:35,538 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 13:05:35,538 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 13:05:35,538 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 13:05:35,539 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 13:05:35,539 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 13:05:35,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 13:05:35,540 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 13:05:35,540 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 13:05:35,540 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 13:05:35,540 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 13:05:35,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 13:05:35,541 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 13:05:35,541 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 13:05:35,541 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 13:05:35,542 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 13:05:35,542 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12afb8178f03cf9f30c3db13fe59541339718c2babf1801d998ad3c12365b61d [2024-10-13 13:05:35,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 13:05:35,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 13:05:35,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 13:05:35,806 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 13:05:35,807 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 13:05:35,808 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-nla/dijkstra6-both-nt.c [2024-10-13 13:05:37,258 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 13:05:37,421 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 13:05:37,422 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-nla/dijkstra6-both-nt.c [2024-10-13 13:05:37,429 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fd5db966/7dc85c609b5447b1908cc4f343285071/FLAGb22615add [2024-10-13 13:05:37,445 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fd5db966/7dc85c609b5447b1908cc4f343285071 [2024-10-13 13:05:37,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 13:05:37,449 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 13:05:37,450 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 13:05:37,450 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 13:05:37,455 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 13:05:37,456 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:05:37" (1/1) ... [2024-10-13 13:05:37,457 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53301164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:05:37, skipping insertion in model container [2024-10-13 13:05:37,457 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:05:37" (1/1) ... [2024-10-13 13:05:37,475 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 13:05:37,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 13:05:37,667 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 13:05:37,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 13:05:37,699 INFO L204 MainTranslator]: Completed translation [2024-10-13 13:05:37,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:05:37 WrapperNode [2024-10-13 13:05:37,700 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 13:05:37,701 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 13:05:37,701 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 13:05:37,701 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 13:05:37,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:05:37" (1/1) ... [2024-10-13 13:05:37,714 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:05:37" (1/1) ... [2024-10-13 13:05:37,735 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 62 [2024-10-13 13:05:37,739 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 13:05:37,739 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 13:05:37,740 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 13:05:37,740 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 13:05:37,750 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:05:37" (1/1) ... [2024-10-13 13:05:37,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:05:37" (1/1) ... [2024-10-13 13:05:37,752 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:05:37" (1/1) ... [2024-10-13 13:05:37,762 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-13 13:05:37,766 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:05:37" (1/1) ... [2024-10-13 13:05:37,766 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:05:37" (1/1) ... [2024-10-13 13:05:37,769 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:05:37" (1/1) ... [2024-10-13 13:05:37,777 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:05:37" (1/1) ... [2024-10-13 13:05:37,778 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:05:37" (1/1) ... [2024-10-13 13:05:37,782 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:05:37" (1/1) ... [2024-10-13 13:05:37,787 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 13:05:37,788 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 13:05:37,788 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 13:05:37,788 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 13:05:37,789 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:05:37" (1/1) ... [2024-10-13 13:05:37,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 13:05:37,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:05:37,853 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 13:05:37,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 13:05:37,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 13:05:37,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 13:05:38,015 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 13:05:38,018 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 13:05:38,337 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-10-13 13:05:38,338 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 13:05:38,373 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 13:05:38,373 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 13:05:38,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:05:38 BoogieIcfgContainer [2024-10-13 13:05:38,376 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 13:05:38,378 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 13:05:38,378 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 13:05:38,381 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 13:05:38,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:05:37" (1/3) ... [2024-10-13 13:05:38,384 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39d1b509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:05:38, skipping insertion in model container [2024-10-13 13:05:38,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:05:37" (2/3) ... [2024-10-13 13:05:38,385 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39d1b509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:05:38, skipping insertion in model container [2024-10-13 13:05:38,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:05:38" (3/3) ... [2024-10-13 13:05:38,387 INFO L112 eAbstractionObserver]: Analyzing ICFG dijkstra6-both-nt.c [2024-10-13 13:05:38,402 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 13:05:38,402 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2024-10-13 13:05:38,462 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 13:05:38,468 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;@455e8b46, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 13:05:38,468 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-10-13 13:05:38,472 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 35 states have (on average 1.9714285714285715) internal successors, (69), 63 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:05:38,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-10-13 13:05:38,477 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:05:38,481 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-10-13 13:05:38,482 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:05:38,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:05:38,490 INFO L85 PathProgramCache]: Analyzing trace with hash 126056, now seen corresponding path program 1 times [2024-10-13 13:05:38,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:05:38,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663460681] [2024-10-13 13:05:38,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:05:38,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:05:38,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:05:38,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:05:38,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:05:38,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663460681] [2024-10-13 13:05:38,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663460681] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:05:38,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:05:38,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 13:05:38,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135887289] [2024-10-13 13:05:38,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:05:38,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 13:05:38,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:05:38,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 13:05:38,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 13:05:38,621 INFO L87 Difference]: Start difference. First operand has 64 states, 35 states have (on average 1.9714285714285715) internal successors, (69), 63 states have internal predecessors, (69), 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) Second operand has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:05:38,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:05:38,639 INFO L93 Difference]: Finished difference Result 66 states and 70 transitions. [2024-10-13 13:05:38,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 13:05:38,642 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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) Word has length 3 [2024-10-13 13:05:38,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:05:38,654 INFO L225 Difference]: With dead ends: 66 [2024-10-13 13:05:38,655 INFO L226 Difference]: Without dead ends: 61 [2024-10-13 13:05:38,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 13:05:38,664 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:05:38,666 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:05:38,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-10-13 13:05:38,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-10-13 13:05:38,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 34 states have (on average 1.8823529411764706) internal successors, (64), 60 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:05:38,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 64 transitions. [2024-10-13 13:05:38,704 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 64 transitions. Word has length 3 [2024-10-13 13:05:38,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:05:38,704 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 64 transitions. [2024-10-13 13:05:38,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:05:38,705 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2024-10-13 13:05:38,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-13 13:05:38,705 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:05:38,705 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-13 13:05:38,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 13:05:38,706 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:05:38,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:05:38,706 INFO L85 PathProgramCache]: Analyzing trace with hash 3907779, now seen corresponding path program 1 times [2024-10-13 13:05:38,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:05:38,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046170355] [2024-10-13 13:05:38,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:05:38,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:05:38,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:05:38,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [955613203] [2024-10-13 13:05:38,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:05:38,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:05:38,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:05:38,718 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:05:38,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 13:05:38,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:05:38,753 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 13:05:38,756 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:05:38,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:05:38,774 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:05:38,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:05:38,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046170355] [2024-10-13 13:05:38,775 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:05:38,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [955613203] [2024-10-13 13:05:38,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [955613203] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:05:38,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:05:38,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 13:05:38,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170106940] [2024-10-13 13:05:38,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:05:38,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:05:38,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:05:38,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:05:38,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:05:38,778 INFO L87 Difference]: Start difference. First operand 61 states and 64 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:05:38,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:05:38,906 INFO L93 Difference]: Finished difference Result 108 states and 122 transitions. [2024-10-13 13:05:38,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:05:38,906 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) Word has length 4 [2024-10-13 13:05:38,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:05:38,907 INFO L225 Difference]: With dead ends: 108 [2024-10-13 13:05:38,907 INFO L226 Difference]: Without dead ends: 101 [2024-10-13 13:05:38,910 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:05:38,911 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 40 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:05:38,912 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 68 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:05:38,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-10-13 13:05:38,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 89. [2024-10-13 13:05:38,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 62 states have (on average 1.7903225806451613) internal successors, (111), 88 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:05:38,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 111 transitions. [2024-10-13 13:05:38,924 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 111 transitions. Word has length 4 [2024-10-13 13:05:38,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:05:38,925 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 111 transitions. [2024-10-13 13:05:38,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:05:38,926 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 111 transitions. [2024-10-13 13:05:38,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-13 13:05:38,926 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:05:38,926 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-13 13:05:38,943 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 13:05:39,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:05:39,128 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:05:39,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:05:39,128 INFO L85 PathProgramCache]: Analyzing trace with hash 121141194, now seen corresponding path program 1 times [2024-10-13 13:05:39,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:05:39,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580151916] [2024-10-13 13:05:39,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:05:39,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:05:39,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:05:39,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1221550662] [2024-10-13 13:05:39,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:05:39,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:05:39,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:05:39,138 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:05:39,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 13:05:39,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:05:39,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:05:39,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:05:39,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:05:39,227 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:05:39,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:05:39,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580151916] [2024-10-13 13:05:39,227 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:05:39,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1221550662] [2024-10-13 13:05:39,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1221550662] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:05:39,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:05:39,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 13:05:39,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169075107] [2024-10-13 13:05:39,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:05:39,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:05:39,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:05:39,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:05:39,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:05:39,232 INFO L87 Difference]: Start difference. First operand 89 states and 111 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:05:39,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:05:39,352 INFO L93 Difference]: Finished difference Result 119 states and 150 transitions. [2024-10-13 13:05:39,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:05:39,354 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) Word has length 5 [2024-10-13 13:05:39,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:05:39,355 INFO L225 Difference]: With dead ends: 119 [2024-10-13 13:05:39,355 INFO L226 Difference]: Without dead ends: 112 [2024-10-13 13:05:39,356 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:05:39,357 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 22 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:05:39,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 65 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:05:39,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-10-13 13:05:39,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2024-10-13 13:05:39,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 85 states have (on average 1.6823529411764706) internal successors, (143), 111 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:05:39,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 143 transitions. [2024-10-13 13:05:39,369 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 143 transitions. Word has length 5 [2024-10-13 13:05:39,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:05:39,370 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 143 transitions. [2024-10-13 13:05:39,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:05:39,370 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 143 transitions. [2024-10-13 13:05:39,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-13 13:05:39,371 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:05:39,371 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-13 13:05:39,383 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-13 13:05:39,571 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,SelfDestructingSolverStorable2 [2024-10-13 13:05:39,572 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:05:39,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:05:39,573 INFO L85 PathProgramCache]: Analyzing trace with hash -539590235, now seen corresponding path program 1 times [2024-10-13 13:05:39,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:05:39,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378088433] [2024-10-13 13:05:39,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:05:39,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:05:39,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:05:39,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1463792840] [2024-10-13 13:05:39,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:05:39,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:05:39,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:05:39,582 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:05:39,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 13:05:39,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:05:39,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:05:39,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:05:39,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:05:39,642 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:05:39,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:05:39,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378088433] [2024-10-13 13:05:39,642 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:05:39,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463792840] [2024-10-13 13:05:39,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1463792840] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:05:39,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:05:39,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 13:05:39,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204984099] [2024-10-13 13:05:39,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:05:39,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:05:39,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:05:39,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:05:39,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:05:39,646 INFO L87 Difference]: Start difference. First operand 112 states and 143 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:05:39,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:05:39,771 INFO L93 Difference]: Finished difference Result 114 states and 143 transitions. [2024-10-13 13:05:39,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:05:39,772 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) Word has length 6 [2024-10-13 13:05:39,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:05:39,774 INFO L225 Difference]: With dead ends: 114 [2024-10-13 13:05:39,774 INFO L226 Difference]: Without dead ends: 112 [2024-10-13 13:05:39,775 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:05:39,776 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 21 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:05:39,776 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 67 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:05:39,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-10-13 13:05:39,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2024-10-13 13:05:39,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 85 states have (on average 1.6588235294117648) internal successors, (141), 111 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:05:39,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 141 transitions. [2024-10-13 13:05:39,790 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 141 transitions. Word has length 6 [2024-10-13 13:05:39,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:05:39,790 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 141 transitions. [2024-10-13 13:05:39,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:05:39,791 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 141 transitions. [2024-10-13 13:05:39,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-13 13:05:39,791 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:05:39,791 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:05:39,808 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-13 13:05:39,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:05:39,993 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:05:39,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:05:39,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1144828551, now seen corresponding path program 1 times [2024-10-13 13:05:39,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:05:39,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310073887] [2024-10-13 13:05:39,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:05:39,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:05:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:05:40,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [398647954] [2024-10-13 13:05:40,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:05:40,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:05:40,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:05:40,006 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:05:40,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-13 13:05:40,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 13:05:40,035 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 13:05:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 13:05:40,046 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 13:05:40,046 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-13 13:05:40,047 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 28 remaining) [2024-10-13 13:05:40,049 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 28 remaining) [2024-10-13 13:05:40,049 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 28 remaining) [2024-10-13 13:05:40,049 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 28 remaining) [2024-10-13 13:05:40,050 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 28 remaining) [2024-10-13 13:05:40,050 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 28 remaining) [2024-10-13 13:05:40,050 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 28 remaining) [2024-10-13 13:05:40,050 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 28 remaining) [2024-10-13 13:05:40,050 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 28 remaining) [2024-10-13 13:05:40,050 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 28 remaining) [2024-10-13 13:05:40,051 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 28 remaining) [2024-10-13 13:05:40,051 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 28 remaining) [2024-10-13 13:05:40,051 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 28 remaining) [2024-10-13 13:05:40,051 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 28 remaining) [2024-10-13 13:05:40,051 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 28 remaining) [2024-10-13 13:05:40,051 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 28 remaining) [2024-10-13 13:05:40,051 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 28 remaining) [2024-10-13 13:05:40,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 28 remaining) [2024-10-13 13:05:40,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 28 remaining) [2024-10-13 13:05:40,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 28 remaining) [2024-10-13 13:05:40,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 28 remaining) [2024-10-13 13:05:40,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 28 remaining) [2024-10-13 13:05:40,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 28 remaining) [2024-10-13 13:05:40,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 28 remaining) [2024-10-13 13:05:40,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 28 remaining) [2024-10-13 13:05:40,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 28 remaining) [2024-10-13 13:05:40,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 28 remaining) [2024-10-13 13:05:40,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 28 remaining) [2024-10-13 13:05:40,068 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-13 13:05:40,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:05:40,257 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-10-13 13:05:40,270 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 13:05:40,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 01:05:40 BoogieIcfgContainer [2024-10-13 13:05:40,273 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 13:05:40,274 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 13:05:40,274 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 13:05:40,274 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 13:05:40,274 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:05:38" (3/4) ... [2024-10-13 13:05:40,275 INFO L133 WitnessPrinter]: Generating witness for reachability counterexample [2024-10-13 13:05:40,310 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 13:05:40,311 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 13:05:40,311 INFO L158 Benchmark]: Toolchain (without parser) took 2862.33ms. Allocated memory is still 163.6MB. Free memory was 93.2MB in the beginning and 53.0MB in the end (delta: 40.2MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-10-13 13:05:40,311 INFO L158 Benchmark]: CDTParser took 0.97ms. Allocated memory is still 163.6MB. Free memory is still 118.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 13:05:40,312 INFO L158 Benchmark]: CACSL2BoogieTranslator took 250.39ms. Allocated memory is still 163.6MB. Free memory was 92.9MB in the beginning and 81.7MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-13 13:05:40,312 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.70ms. Allocated memory is still 163.6MB. Free memory was 81.5MB in the beginning and 79.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 13:05:40,312 INFO L158 Benchmark]: Boogie Preprocessor took 47.99ms. Allocated memory is still 163.6MB. Free memory was 79.9MB in the beginning and 78.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 13:05:40,312 INFO L158 Benchmark]: RCFGBuilder took 588.21ms. Allocated memory is still 163.6MB. Free memory was 78.2MB in the beginning and 119.5MB in the end (delta: -41.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-13 13:05:40,312 INFO L158 Benchmark]: TraceAbstraction took 1894.84ms. Allocated memory is still 163.6MB. Free memory was 118.6MB in the beginning and 55.1MB in the end (delta: 63.5MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-10-13 13:05:40,313 INFO L158 Benchmark]: Witness Printer took 37.06ms. Allocated memory is still 163.6MB. Free memory was 54.5MB in the beginning and 53.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 13:05:40,314 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.97ms. Allocated memory is still 163.6MB. Free memory is still 118.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 250.39ms. Allocated memory is still 163.6MB. Free memory was 92.9MB in the beginning and 81.7MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.70ms. Allocated memory is still 163.6MB. Free memory was 81.5MB in the beginning and 79.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.99ms. Allocated memory is still 163.6MB. Free memory was 79.9MB in the beginning and 78.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 588.21ms. Allocated memory is still 163.6MB. Free memory was 78.2MB in the beginning and 119.5MB in the end (delta: -41.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1894.84ms. Allocated memory is still 163.6MB. Free memory was 118.6MB in the beginning and 55.1MB in the end (delta: 63.5MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Witness Printer took 37.06ms. Allocated memory is still 163.6MB. Free memory was 54.5MB in the beginning and 53.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. 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 - CounterExampleResult [Line: 41]: integer overflow possible integer overflow possible We found a FailurePath: [L22] int n, p, q, r, h; [L24] n = __VERIFIER_nondet_int() [L26] p = 0 [L27] q = 1 [L28] r = n [L29] h = 0 VAL [n=-2147483648, p=0, q=1, r=-2147483648] [L40] COND TRUE q > n VAL [n=-2147483648, p=0, q=1, r=-2147483648] [L41] EXPR p * p VAL [n=-2147483648, p=0, q=1, r=-2147483648] [L41] EXPR n * q VAL [n=-2147483648, p=0, q=1, r=-2147483648] [L41] p * p - n * q VAL [r=-2147483648] - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 52]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 52]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 57]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 57]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 64 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 83 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 83 mSDsluCounter, 265 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 80 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 180 IncrementalHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 185 mSDtfsCounter, 180 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=3, InterpolantAutomatonStates: 11, 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, 4 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 82 SizeOfPredicates, 0 NumberOfNonLiveVariables, 42 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate proved your program to be incorrect! [2024-10-13 13:05:40,330 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)