./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-crafted-lit/LarrazOliverasRodriguez-CarbonellRubio-FMCAD2013-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/LarrazOliverasRodriguez-CarbonellRubio-FMCAD2013-Fig1.c -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 33be026e9ca846df0a8faa91fc9c2bbf64ee20dbba0f4f48a9cd42fbefb372d5 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 13:01:31,209 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 13:01:31,296 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-13 13:01:31,300 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 13:01:31,303 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 13:01:31,339 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 13:01:31,340 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 13:01:31,340 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 13:01:31,341 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 13:01:31,342 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 13:01:31,342 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 13:01:31,343 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 13:01:31,343 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 13:01:31,344 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 13:01:31,345 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 13:01:31,346 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 13:01:31,346 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 13:01:31,346 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 13:01:31,346 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 13:01:31,347 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 13:01:31,347 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 13:01:31,348 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 13:01:31,348 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 13:01:31,348 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 13:01:31,348 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 13:01:31,349 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 13:01:31,349 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 13:01:31,349 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 13:01:31,350 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 13:01:31,350 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 13:01:31,350 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 13:01:31,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 13:01:31,351 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 13:01:31,351 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 13:01:31,351 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 13:01:31,351 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 13:01:31,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 13:01:31,352 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 13:01:31,352 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 13:01:31,352 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 13:01:31,352 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 13:01:31,352 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33be026e9ca846df0a8faa91fc9c2bbf64ee20dbba0f4f48a9cd42fbefb372d5 [2024-10-13 13:01:31,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 13:01:31,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 13:01:31,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 13:01:31,645 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 13:01:31,648 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 13:01:31,649 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/LarrazOliverasRodriguez-CarbonellRubio-FMCAD2013-Fig1.c [2024-10-13 13:01:33,040 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 13:01:33,231 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 13:01:33,232 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/LarrazOliverasRodriguez-CarbonellRubio-FMCAD2013-Fig1.c [2024-10-13 13:01:33,239 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d5c2221b/30e7fb2bffa64c95a9f695ef0931a0e6/FLAGc8026bb59 [2024-10-13 13:01:33,254 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d5c2221b/30e7fb2bffa64c95a9f695ef0931a0e6 [2024-10-13 13:01:33,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 13:01:33,259 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 13:01:33,261 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 13:01:33,262 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 13:01:33,267 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 13:01:33,268 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:01:33" (1/1) ... [2024-10-13 13:01:33,269 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cf9a21e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:33, skipping insertion in model container [2024-10-13 13:01:33,269 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:01:33" (1/1) ... [2024-10-13 13:01:33,289 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 13:01:33,475 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 13:01:33,483 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 13:01:33,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 13:01:33,512 INFO L204 MainTranslator]: Completed translation [2024-10-13 13:01:33,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:33 WrapperNode [2024-10-13 13:01:33,513 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 13:01:33,514 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 13:01:33,514 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 13:01:33,514 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 13:01:33,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:33" (1/1) ... [2024-10-13 13:01:33,525 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:33" (1/1) ... [2024-10-13 13:01:33,542 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 40 [2024-10-13 13:01:33,543 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 13:01:33,544 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 13:01:33,544 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 13:01:33,544 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 13:01:33,554 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:33" (1/1) ... [2024-10-13 13:01:33,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:33" (1/1) ... [2024-10-13 13:01:33,555 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:33" (1/1) ... [2024-10-13 13:01:33,560 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-13 13:01:33,561 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:33" (1/1) ... [2024-10-13 13:01:33,561 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:33" (1/1) ... [2024-10-13 13:01:33,562 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:33" (1/1) ... [2024-10-13 13:01:33,566 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:33" (1/1) ... [2024-10-13 13:01:33,567 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:33" (1/1) ... [2024-10-13 13:01:33,568 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:33" (1/1) ... [2024-10-13 13:01:33,569 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 13:01:33,570 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 13:01:33,570 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 13:01:33,570 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 13:01:33,571 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:33" (1/1) ... [2024-10-13 13:01:33,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 13:01:33,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:01:33,601 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 13:01:33,606 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 13:01:33,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 13:01:33,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 13:01:33,704 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 13:01:33,706 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 13:01:33,821 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-10-13 13:01:33,821 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 13:01:33,850 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 13:01:33,850 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-13 13:01:33,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:01:33 BoogieIcfgContainer [2024-10-13 13:01:33,851 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 13:01:33,854 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 13:01:33,854 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 13:01:33,856 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 13:01:33,856 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:01:33" (1/3) ... [2024-10-13 13:01:33,857 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3633d4be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:01:33, skipping insertion in model container [2024-10-13 13:01:33,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:33" (2/3) ... [2024-10-13 13:01:33,858 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3633d4be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:01:33, skipping insertion in model container [2024-10-13 13:01:33,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:01:33" (3/3) ... [2024-10-13 13:01:33,859 INFO L112 eAbstractionObserver]: Analyzing ICFG LarrazOliverasRodriguez-CarbonellRubio-FMCAD2013-Fig1.c [2024-10-13 13:01:33,876 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 13:01:33,877 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-10-13 13:01:33,937 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 13:01:33,946 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;@4cf8750f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 13:01:33,946 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-13 13:01:33,949 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 13 states have (on average 2.0) internal successors, (26), 21 states have internal predecessors, (26), 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 13:01:33,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-13 13:01:33,955 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:01:33,955 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-13 13:01:33,956 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 13:01:33,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:01:33,961 INFO L85 PathProgramCache]: Analyzing trace with hash 2537489, now seen corresponding path program 1 times [2024-10-13 13:01:33,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:01:33,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265593218] [2024-10-13 13:01:33,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:01:33,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:01:34,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:01:34,162 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 13:01:34,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:01:34,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265593218] [2024-10-13 13:01:34,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265593218] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:01:34,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:01:34,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:01:34,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184696064] [2024-10-13 13:01:34,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:01:34,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:01:34,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:01:34,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:01:34,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:01:34,205 INFO L87 Difference]: Start difference. First operand has 22 states, 13 states have (on average 2.0) internal successors, (26), 21 states have internal predecessors, (26), 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 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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 13:01:34,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:01:34,278 INFO L93 Difference]: Finished difference Result 46 states and 57 transitions. [2024-10-13 13:01:34,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:01:34,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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 13:01:34,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:01:34,290 INFO L225 Difference]: With dead ends: 46 [2024-10-13 13:01:34,290 INFO L226 Difference]: Without dead ends: 23 [2024-10-13 13:01:34,294 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 13:01:34,300 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 2 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:01:34,302 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 27 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:01:34,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-10-13 13:01:34,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2024-10-13 13:01:34,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 21 states have internal predecessors, (23), 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 13:01:34,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2024-10-13 13:01:34,333 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 4 [2024-10-13 13:01:34,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:01:34,334 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2024-10-13 13:01:34,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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 13:01:34,334 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2024-10-13 13:01:34,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-13 13:01:34,335 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:01:34,335 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-13 13:01:34,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 13:01:34,337 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 13:01:34,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:01:34,337 INFO L85 PathProgramCache]: Analyzing trace with hash 78662207, now seen corresponding path program 1 times [2024-10-13 13:01:34,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:01:34,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043540994] [2024-10-13 13:01:34,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:01:34,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:01:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:01:34,400 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 13:01:34,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:01:34,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043540994] [2024-10-13 13:01:34,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043540994] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:01:34,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:01:34,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 13:01:34,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784127763] [2024-10-13 13:01:34,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:01:34,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:01:34,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:01:34,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:01:34,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:01:34,404 INFO L87 Difference]: Start difference. First operand 22 states and 23 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 13:01:34,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:01:34,434 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2024-10-13 13:01:34,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:01:34,435 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 13:01:34,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:01:34,436 INFO L225 Difference]: With dead ends: 22 [2024-10-13 13:01:34,436 INFO L226 Difference]: Without dead ends: 21 [2024-10-13 13:01:34,436 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 13:01:34,438 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 9 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:01:34,438 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 7 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:01:34,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-10-13 13:01:34,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2024-10-13 13:01:34,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 20 states have internal predecessors, (22), 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 13:01:34,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2024-10-13 13:01:34,446 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 5 [2024-10-13 13:01:34,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:01:34,446 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2024-10-13 13:01:34,446 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 13:01:34,447 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2024-10-13 13:01:34,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-13 13:01:34,447 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:01:34,447 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:01:34,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 13:01:34,448 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 13:01:34,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:01:34,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1715028626, now seen corresponding path program 1 times [2024-10-13 13:01:34,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:01:34,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816100688] [2024-10-13 13:01:34,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:01:34,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:01:34,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:01:34,551 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 13:01:34,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:01:34,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816100688] [2024-10-13 13:01:34,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816100688] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:01:34,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:01:34,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 13:01:34,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984789948] [2024-10-13 13:01:34,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:01:34,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:01:34,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:01:34,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:01:34,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:01:34,555 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 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 13:01:34,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:01:34,697 INFO L93 Difference]: Finished difference Result 37 states and 47 transitions. [2024-10-13 13:01:34,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:01:34,698 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 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 7 [2024-10-13 13:01:34,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:01:34,699 INFO L225 Difference]: With dead ends: 37 [2024-10-13 13:01:34,700 INFO L226 Difference]: Without dead ends: 36 [2024-10-13 13:01:34,700 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-13 13:01:34,701 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 13 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:01:34,702 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 21 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:01:34,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-10-13 13:01:34,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 28. [2024-10-13 13:01:34,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 21 states have (on average 1.619047619047619) internal successors, (34), 27 states have internal predecessors, (34), 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 13:01:34,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2024-10-13 13:01:34,713 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 34 transitions. Word has length 7 [2024-10-13 13:01:34,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:01:34,714 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 34 transitions. [2024-10-13 13:01:34,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 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 13:01:34,714 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2024-10-13 13:01:34,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-13 13:01:34,715 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:01:34,715 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:01:34,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 13:01:34,715 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 13:01:34,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:01:34,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1715028575, now seen corresponding path program 1 times [2024-10-13 13:01:34,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:01:34,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538389019] [2024-10-13 13:01:34,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:01:34,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:01:34,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:01:34,777 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 13:01:34,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:01:34,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538389019] [2024-10-13 13:01:34,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538389019] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:01:34,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:01:34,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:01:34,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651976759] [2024-10-13 13:01:34,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:01:34,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:01:34,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:01:34,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:01:34,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:01:34,780 INFO L87 Difference]: Start difference. First operand 28 states and 34 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 13:01:34,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:01:34,857 INFO L93 Difference]: Finished difference Result 54 states and 73 transitions. [2024-10-13 13:01:34,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:01:34,857 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 7 [2024-10-13 13:01:34,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:01:34,859 INFO L225 Difference]: With dead ends: 54 [2024-10-13 13:01:34,859 INFO L226 Difference]: Without dead ends: 52 [2024-10-13 13:01:34,860 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:01:34,863 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 15 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:01:34,866 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 27 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:01:34,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-10-13 13:01:34,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 45. [2024-10-13 13:01:34,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 38 states have (on average 1.5789473684210527) internal successors, (60), 44 states have internal predecessors, (60), 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 13:01:34,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 60 transitions. [2024-10-13 13:01:34,880 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 60 transitions. Word has length 7 [2024-10-13 13:01:34,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:01:34,881 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 60 transitions. [2024-10-13 13:01:34,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 13:01:34,881 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 60 transitions. [2024-10-13 13:01:34,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-13 13:01:34,881 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:01:34,882 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:01:34,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 13:01:34,882 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 13:01:34,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:01:34,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1626279782, now seen corresponding path program 1 times [2024-10-13 13:01:34,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:01:34,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697258704] [2024-10-13 13:01:34,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:01:34,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:01:34,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:01:34,969 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 13:01:34,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:01:34,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697258704] [2024-10-13 13:01:34,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697258704] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:01:34,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:01:34,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:01:34,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956366714] [2024-10-13 13:01:34,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:01:34,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:01:34,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:01:34,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:01:34,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:01:34,972 INFO L87 Difference]: Start difference. First operand 45 states and 60 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 13:01:35,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:01:35,044 INFO L93 Difference]: Finished difference Result 58 states and 77 transitions. [2024-10-13 13:01:35,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:01:35,044 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 8 [2024-10-13 13:01:35,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:01:35,046 INFO L225 Difference]: With dead ends: 58 [2024-10-13 13:01:35,046 INFO L226 Difference]: Without dead ends: 57 [2024-10-13 13:01:35,046 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:01:35,048 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 12 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:01:35,050 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 17 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:01:35,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-10-13 13:01:35,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 53. [2024-10-13 13:01:35,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 46 states have (on average 1.565217391304348) internal successors, (72), 52 states have internal predecessors, (72), 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 13:01:35,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2024-10-13 13:01:35,059 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 8 [2024-10-13 13:01:35,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:01:35,060 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2024-10-13 13:01:35,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 13:01:35,060 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2024-10-13 13:01:35,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-13 13:01:35,060 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:01:35,061 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:01:35,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 13:01:35,061 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 13:01:35,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:01:35,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1626278212, now seen corresponding path program 1 times [2024-10-13 13:01:35,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:01:35,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145102413] [2024-10-13 13:01:35,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:01:35,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:01:35,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:01:35,101 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 13:01:35,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:01:35,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145102413] [2024-10-13 13:01:35,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145102413] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:01:35,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:01:35,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:01:35,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795389102] [2024-10-13 13:01:35,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:01:35,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:01:35,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:01:35,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:01:35,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:01:35,104 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 13:01:35,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:01:35,149 INFO L93 Difference]: Finished difference Result 93 states and 134 transitions. [2024-10-13 13:01:35,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:01:35,150 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 8 [2024-10-13 13:01:35,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:01:35,151 INFO L225 Difference]: With dead ends: 93 [2024-10-13 13:01:35,151 INFO L226 Difference]: Without dead ends: 92 [2024-10-13 13:01:35,151 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:01:35,152 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 17 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:01:35,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 24 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:01:35,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-10-13 13:01:35,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 85. [2024-10-13 13:01:35,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 78 states have (on average 1.5384615384615385) internal successors, (120), 84 states have internal predecessors, (120), 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 13:01:35,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 120 transitions. [2024-10-13 13:01:35,164 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 120 transitions. Word has length 8 [2024-10-13 13:01:35,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:01:35,164 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 120 transitions. [2024-10-13 13:01:35,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 13:01:35,165 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 120 transitions. [2024-10-13 13:01:35,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-13 13:01:35,165 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:01:35,165 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:01:35,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 13:01:35,166 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 13:01:35,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:01:35,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1124983043, now seen corresponding path program 1 times [2024-10-13 13:01:35,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:01:35,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850212910] [2024-10-13 13:01:35,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:01:35,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:01:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:01:35,213 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 13:01:35,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:01:35,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850212910] [2024-10-13 13:01:35,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850212910] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:01:35,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:01:35,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:01:35,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363455842] [2024-10-13 13:01:35,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:01:35,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:01:35,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:01:35,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:01:35,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:01:35,215 INFO L87 Difference]: Start difference. First operand 85 states and 120 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 13:01:35,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:01:35,251 INFO L93 Difference]: Finished difference Result 85 states and 120 transitions. [2024-10-13 13:01:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:01:35,255 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2024-10-13 13:01:35,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:01:35,256 INFO L225 Difference]: With dead ends: 85 [2024-10-13 13:01:35,256 INFO L226 Difference]: Without dead ends: 84 [2024-10-13 13:01:35,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:01:35,257 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 14 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:01:35,258 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 13 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:01:35,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-10-13 13:01:35,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-10-13 13:01:35,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 78 states have (on average 1.4615384615384615) internal successors, (114), 83 states have internal predecessors, (114), 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 13:01:35,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 114 transitions. [2024-10-13 13:01:35,269 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 114 transitions. Word has length 9 [2024-10-13 13:01:35,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:01:35,270 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 114 transitions. [2024-10-13 13:01:35,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 13:01:35,270 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 114 transitions. [2024-10-13 13:01:35,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-13 13:01:35,271 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:01:35,271 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:01:35,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 13:01:35,271 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 13:01:35,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:01:35,272 INFO L85 PathProgramCache]: Analyzing trace with hash 514736030, now seen corresponding path program 1 times [2024-10-13 13:01:35,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:01:35,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166505916] [2024-10-13 13:01:35,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:01:35,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:01:35,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:01:35,313 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 13:01:35,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:01:35,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166505916] [2024-10-13 13:01:35,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166505916] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:01:35,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:01:35,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 13:01:35,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205957318] [2024-10-13 13:01:35,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:01:35,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:01:35,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:01:35,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:01:35,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:01:35,315 INFO L87 Difference]: Start difference. First operand 84 states and 114 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 13:01:35,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:01:35,334 INFO L93 Difference]: Finished difference Result 84 states and 114 transitions. [2024-10-13 13:01:35,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:01:35,334 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2024-10-13 13:01:35,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:01:35,335 INFO L225 Difference]: With dead ends: 84 [2024-10-13 13:01:35,335 INFO L226 Difference]: Without dead ends: 83 [2024-10-13 13:01:35,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 13:01:35,338 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 8 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:01:35,338 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 12 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:01:35,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-10-13 13:01:35,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-10-13 13:01:35,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 78 states have (on average 1.3846153846153846) internal successors, (108), 82 states have internal predecessors, (108), 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 13:01:35,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 108 transitions. [2024-10-13 13:01:35,359 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 108 transitions. Word has length 10 [2024-10-13 13:01:35,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:01:35,361 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 108 transitions. [2024-10-13 13:01:35,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 13:01:35,362 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 108 transitions. [2024-10-13 13:01:35,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-13 13:01:35,362 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:01:35,363 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-13 13:01:35,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 13:01:35,363 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 13:01:35,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:01:35,364 INFO L85 PathProgramCache]: Analyzing trace with hash -548336125, now seen corresponding path program 1 times [2024-10-13 13:01:35,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:01:35,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015011454] [2024-10-13 13:01:35,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:01:35,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:01:35,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:01:35,450 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:01:35,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:01:35,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015011454] [2024-10-13 13:01:35,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015011454] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:01:35,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [735833308] [2024-10-13 13:01:35,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:01:35,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:01:35,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:01:35,454 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 13:01:35,456 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 13:01:35,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:01:35,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:01:35,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:01:35,611 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:01:35,611 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:01:35,711 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:01:35,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [735833308] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:01:35,713 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:01:35,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-10-13 13:01:35,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023302168] [2024-10-13 13:01:35,714 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:01:35,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-13 13:01:35,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:01:35,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-13 13:01:35,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-10-13 13:01:35,719 INFO L87 Difference]: Start difference. First operand 83 states and 108 transitions. Second operand has 14 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 14 states have internal predecessors, (37), 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 13:01:36,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:01:36,114 INFO L93 Difference]: Finished difference Result 206 states and 297 transitions. [2024-10-13 13:01:36,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-13 13:01:36,118 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 14 states have internal predecessors, (37), 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 13 [2024-10-13 13:01:36,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:01:36,120 INFO L225 Difference]: With dead ends: 206 [2024-10-13 13:01:36,120 INFO L226 Difference]: Without dead ends: 203 [2024-10-13 13:01:36,120 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=241, Invalid=515, Unknown=0, NotChecked=0, Total=756 [2024-10-13 13:01:36,121 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 143 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:01:36,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 21 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:01:36,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-10-13 13:01:36,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 109. [2024-10-13 13:01:36,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 106 states have (on average 1.2830188679245282) internal successors, (136), 108 states have internal predecessors, (136), 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 13:01:36,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 136 transitions. [2024-10-13 13:01:36,137 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 136 transitions. Word has length 13 [2024-10-13 13:01:36,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:01:36,138 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 136 transitions. [2024-10-13 13:01:36,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 14 states have internal predecessors, (37), 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 13:01:36,138 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 136 transitions. [2024-10-13 13:01:36,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-13 13:01:36,139 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:01:36,139 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-10-13 13:01:36,159 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 13:01:36,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:01:36,340 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 13:01:36,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:01:36,341 INFO L85 PathProgramCache]: Analyzing trace with hash 181449381, now seen corresponding path program 1 times [2024-10-13 13:01:36,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:01:36,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615926751] [2024-10-13 13:01:36,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:01:36,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:01:36,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:01:36,414 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:01:36,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:01:36,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615926751] [2024-10-13 13:01:36,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615926751] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:01:36,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [545784939] [2024-10-13 13:01:36,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:01:36,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:01:36,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:01:36,417 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 13:01:36,419 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 13:01:36,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:01:36,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 13:01:36,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:01:36,566 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:01:36,566 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:01:36,636 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:01:36,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [545784939] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:01:36,636 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:01:36,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-10-13 13:01:36,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754066465] [2024-10-13 13:01:36,637 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:01:36,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-13 13:01:36,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:01:36,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-13 13:01:36,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2024-10-13 13:01:36,638 INFO L87 Difference]: Start difference. First operand 109 states and 136 transitions. Second operand has 14 states, 13 states have (on average 3.076923076923077) internal successors, (40), 14 states have internal predecessors, (40), 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 13:01:36,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:01:36,945 INFO L93 Difference]: Finished difference Result 222 states and 286 transitions. [2024-10-13 13:01:36,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-13 13:01:36,946 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.076923076923077) internal successors, (40), 14 states have internal predecessors, (40), 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 14 [2024-10-13 13:01:36,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:01:36,947 INFO L225 Difference]: With dead ends: 222 [2024-10-13 13:01:36,947 INFO L226 Difference]: Without dead ends: 221 [2024-10-13 13:01:36,948 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=137, Invalid=243, Unknown=0, NotChecked=0, Total=380 [2024-10-13 13:01:36,949 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 120 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:01:36,950 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 24 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:01:36,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-10-13 13:01:36,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 169. [2024-10-13 13:01:36,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 166 states have (on average 1.2469879518072289) internal successors, (207), 168 states have internal predecessors, (207), 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 13:01:36,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 207 transitions. [2024-10-13 13:01:36,982 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 207 transitions. Word has length 14 [2024-10-13 13:01:36,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:01:36,982 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 207 transitions. [2024-10-13 13:01:36,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.076923076923077) internal successors, (40), 14 states have internal predecessors, (40), 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 13:01:36,982 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 207 transitions. [2024-10-13 13:01:36,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-13 13:01:36,983 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:01:36,983 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-13 13:01:37,005 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 13:01:37,187 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,SelfDestructingSolverStorable9 [2024-10-13 13:01:37,188 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 13:01:37,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:01:37,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1474545828, now seen corresponding path program 1 times [2024-10-13 13:01:37,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:01:37,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728620292] [2024-10-13 13:01:37,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:01:37,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:01:37,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:01:37,233 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:01:37,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:01:37,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728620292] [2024-10-13 13:01:37,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728620292] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:01:37,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275287332] [2024-10-13 13:01:37,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:01:37,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:01:37,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:01:37,235 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 13:01:37,238 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 13:01:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:01:37,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:01:37,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:01:37,290 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:01:37,290 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:01:37,327 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:01:37,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1275287332] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:01:37,328 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:01:37,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-10-13 13:01:37,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897414936] [2024-10-13 13:01:37,328 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:01:37,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 13:01:37,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:01:37,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 13:01:37,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:01:37,330 INFO L87 Difference]: Start difference. First operand 169 states and 207 transitions. Second operand has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 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 13:01:37,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:01:37,411 INFO L93 Difference]: Finished difference Result 371 states and 472 transitions. [2024-10-13 13:01:37,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 13:01:37,411 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 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 18 [2024-10-13 13:01:37,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:01:37,413 INFO L225 Difference]: With dead ends: 371 [2024-10-13 13:01:37,413 INFO L226 Difference]: Without dead ends: 370 [2024-10-13 13:01:37,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:01:37,414 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 43 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:01:37,414 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 38 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:01:37,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-10-13 13:01:37,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 276. [2024-10-13 13:01:37,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 273 states have (on average 1.2380952380952381) internal successors, (338), 275 states have internal predecessors, (338), 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 13:01:37,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 338 transitions. [2024-10-13 13:01:37,439 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 338 transitions. Word has length 18 [2024-10-13 13:01:37,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:01:37,439 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 338 transitions. [2024-10-13 13:01:37,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 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 13:01:37,440 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 338 transitions. [2024-10-13 13:01:37,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-13 13:01:37,440 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:01:37,441 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-10-13 13:01:37,458 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 13:01:37,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:01:37,645 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 13:01:37,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:01:37,645 INFO L85 PathProgramCache]: Analyzing trace with hash 979794639, now seen corresponding path program 1 times [2024-10-13 13:01:37,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:01:37,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642459306] [2024-10-13 13:01:37,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:01:37,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:01:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:01:37,727 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 13:01:37,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:01:37,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642459306] [2024-10-13 13:01:37,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642459306] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:01:37,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198982672] [2024-10-13 13:01:37,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:01:37,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:01:37,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:01:37,730 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 13:01:37,731 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 13:01:37,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:01:37,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 13:01:37,759 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:01:37,899 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 13:01:37,899 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:01:38,034 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 13:01:38,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [198982672] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:01:38,034 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:01:38,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 18 [2024-10-13 13:01:38,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696870969] [2024-10-13 13:01:38,035 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:01:38,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-13 13:01:38,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:01:38,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-13 13:01:38,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2024-10-13 13:01:38,036 INFO L87 Difference]: Start difference. First operand 276 states and 338 transitions. Second operand has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 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 13:01:38,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:01:38,603 INFO L93 Difference]: Finished difference Result 508 states and 638 transitions. [2024-10-13 13:01:38,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-13 13:01:38,604 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 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 24 [2024-10-13 13:01:38,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:01:38,606 INFO L225 Difference]: With dead ends: 508 [2024-10-13 13:01:38,606 INFO L226 Difference]: Without dead ends: 506 [2024-10-13 13:01:38,607 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 336 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=498, Invalid=1142, Unknown=0, NotChecked=0, Total=1640 [2024-10-13 13:01:38,608 INFO L432 NwaCegarLoop]: 0 mSDtfsCounter, 54 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:01:38,608 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 0 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:01:38,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2024-10-13 13:01:38,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 310. [2024-10-13 13:01:38,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 307 states have (on average 1.218241042345277) internal successors, (374), 309 states have internal predecessors, (374), 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 13:01:38,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 374 transitions. [2024-10-13 13:01:38,636 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 374 transitions. Word has length 24 [2024-10-13 13:01:38,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:01:38,637 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 374 transitions. [2024-10-13 13:01:38,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 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 13:01:38,637 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 374 transitions. [2024-10-13 13:01:38,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-13 13:01:38,638 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:01:38,638 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-10-13 13:01:38,656 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 13:01:38,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:01:38,839 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 13:01:38,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:01:38,840 INFO L85 PathProgramCache]: Analyzing trace with hash 2020307846, now seen corresponding path program 2 times [2024-10-13 13:01:38,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:01:38,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194470034] [2024-10-13 13:01:38,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:01:38,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:01:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:01:38,964 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:01:38,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:01:38,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194470034] [2024-10-13 13:01:38,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194470034] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:01:38,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226047944] [2024-10-13 13:01:38,965 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:01:38,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:01:38,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:01:38,967 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:01:38,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-13 13:01:39,004 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 13:01:39,005 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:01:39,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-13 13:01:39,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:01:39,169 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:01:39,169 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:01:39,306 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:01:39,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226047944] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:01:39,306 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:01:39,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 21 [2024-10-13 13:01:39,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822975301] [2024-10-13 13:01:39,307 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:01:39,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-13 13:01:39,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:01:39,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-13 13:01:39,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=332, Unknown=0, NotChecked=0, Total=462 [2024-10-13 13:01:39,308 INFO L87 Difference]: Start difference. First operand 310 states and 374 transitions. Second operand has 22 states, 21 states have (on average 4.0476190476190474) internal successors, (85), 22 states have internal predecessors, (85), 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 13:01:40,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:01:40,362 INFO L93 Difference]: Finished difference Result 1522 states and 1824 transitions. [2024-10-13 13:01:40,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-10-13 13:01:40,363 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 4.0476190476190474) internal successors, (85), 22 states have internal predecessors, (85), 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 29 [2024-10-13 13:01:40,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:01:40,370 INFO L225 Difference]: With dead ends: 1522 [2024-10-13 13:01:40,370 INFO L226 Difference]: Without dead ends: 1521 [2024-10-13 13:01:40,373 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2000 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1462, Invalid=3794, Unknown=0, NotChecked=0, Total=5256 [2024-10-13 13:01:40,374 INFO L432 NwaCegarLoop]: 1 mSDtfsCounter, 248 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:01:40,375 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 25 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:01:40,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1521 states. [2024-10-13 13:01:40,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1521 to 714. [2024-10-13 13:01:40,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 714 states, 711 states have (on average 1.2151898734177216) internal successors, (864), 713 states have internal predecessors, (864), 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 13:01:40,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 714 states and 864 transitions. [2024-10-13 13:01:40,433 INFO L78 Accepts]: Start accepts. Automaton has 714 states and 864 transitions. Word has length 29 [2024-10-13 13:01:40,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:01:40,434 INFO L471 AbstractCegarLoop]: Abstraction has 714 states and 864 transitions. [2024-10-13 13:01:40,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 4.0476190476190474) internal successors, (85), 22 states have internal predecessors, (85), 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 13:01:40,434 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 864 transitions. [2024-10-13 13:01:40,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-10-13 13:01:40,439 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:01:40,439 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 1, 1, 1] [2024-10-13 13:01:40,456 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-13 13:01:40,643 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,SelfDestructingSolverStorable12 [2024-10-13 13:01:40,644 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 13:01:40,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:01:40,644 INFO L85 PathProgramCache]: Analyzing trace with hash 139394886, now seen corresponding path program 2 times [2024-10-13 13:01:40,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:01:40,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368703047] [2024-10-13 13:01:40,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:01:40,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:01:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:01:40,801 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:01:40,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:01:40,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368703047] [2024-10-13 13:01:40,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368703047] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:01:40,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450659980] [2024-10-13 13:01:40,802 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:01:40,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:01:40,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:01:40,803 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:01:40,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-13 13:01:40,829 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 13:01:40,829 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:01:40,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-13 13:01:40,831 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:01:41,076 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:01:41,076 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:01:41,271 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:01:41,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450659980] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:01:41,271 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:01:41,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 31 [2024-10-13 13:01:41,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588786430] [2024-10-13 13:01:41,272 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:01:41,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-10-13 13:01:41,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:01:41,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-10-13 13:01:41,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=247, Invalid=745, Unknown=0, NotChecked=0, Total=992 [2024-10-13 13:01:41,274 INFO L87 Difference]: Start difference. First operand 714 states and 864 transitions. Second operand has 32 states, 31 states have (on average 3.032258064516129) internal successors, (94), 32 states have internal predecessors, (94), 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 13:01:42,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:01:42,327 INFO L93 Difference]: Finished difference Result 1326 states and 1574 transitions. [2024-10-13 13:01:42,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-10-13 13:01:42,328 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 3.032258064516129) internal successors, (94), 32 states have internal predecessors, (94), 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 32 [2024-10-13 13:01:42,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:01:42,332 INFO L225 Difference]: With dead ends: 1326 [2024-10-13 13:01:42,332 INFO L226 Difference]: Without dead ends: 1325 [2024-10-13 13:01:42,334 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1364 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1263, Invalid=2643, Unknown=0, NotChecked=0, Total=3906 [2024-10-13 13:01:42,334 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 531 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 731 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 531 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:01:42,335 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [531 Valid, 93 Invalid, 886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 731 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:01:42,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1325 states. [2024-10-13 13:01:42,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1325 to 885. [2024-10-13 13:01:42,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 885 states, 882 states have (on average 1.209750566893424) internal successors, (1067), 884 states have internal predecessors, (1067), 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 13:01:42,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1067 transitions. [2024-10-13 13:01:42,410 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1067 transitions. Word has length 32 [2024-10-13 13:01:42,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:01:42,410 INFO L471 AbstractCegarLoop]: Abstraction has 885 states and 1067 transitions. [2024-10-13 13:01:42,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 3.032258064516129) internal successors, (94), 32 states have internal predecessors, (94), 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 13:01:42,411 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1067 transitions. [2024-10-13 13:01:42,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-10-13 13:01:42,411 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:01:42,412 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 1, 1, 1] [2024-10-13 13:01:42,436 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-13 13:01:42,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:01:42,614 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 13:01:42,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:01:42,615 INFO L85 PathProgramCache]: Analyzing trace with hash 814500680, now seen corresponding path program 1 times [2024-10-13 13:01:42,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:01:42,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222716021] [2024-10-13 13:01:42,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:01:42,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:01:42,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:01:42,667 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-13 13:01:42,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:01:42,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222716021] [2024-10-13 13:01:42,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222716021] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:01:42,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441002451] [2024-10-13 13:01:42,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:01:42,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:01:42,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:01:42,670 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:01:42,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-13 13:01:42,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:01:42,702 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 13:01:42,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:01:42,778 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:01:42,778 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:01:42,864 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:01:42,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1441002451] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:01:42,864 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:01:42,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7, 7] total 15 [2024-10-13 13:01:42,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399648872] [2024-10-13 13:01:42,865 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:01:42,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-13 13:01:42,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:01:42,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-13 13:01:42,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=145, Unknown=0, NotChecked=0, Total=240 [2024-10-13 13:01:42,866 INFO L87 Difference]: Start difference. First operand 885 states and 1067 transitions. Second operand has 16 states, 15 states have (on average 5.533333333333333) internal successors, (83), 16 states have internal predecessors, (83), 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 13:01:43,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:01:43,457 INFO L93 Difference]: Finished difference Result 3179 states and 3900 transitions. [2024-10-13 13:01:43,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-13 13:01:43,458 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.533333333333333) internal successors, (83), 16 states have internal predecessors, (83), 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 34 [2024-10-13 13:01:43,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:01:43,467 INFO L225 Difference]: With dead ends: 3179 [2024-10-13 13:01:43,467 INFO L226 Difference]: Without dead ends: 2975 [2024-10-13 13:01:43,469 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 67 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 388 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=545, Invalid=1015, Unknown=0, NotChecked=0, Total=1560 [2024-10-13 13:01:43,470 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 182 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:01:43,470 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 24 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:01:43,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2975 states. [2024-10-13 13:01:43,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2975 to 444. [2024-10-13 13:01:43,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 442 states have (on average 1.1855203619909502) internal successors, (524), 443 states have internal predecessors, (524), 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 13:01:43,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 524 transitions. [2024-10-13 13:01:43,555 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 524 transitions. Word has length 34 [2024-10-13 13:01:43,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:01:43,556 INFO L471 AbstractCegarLoop]: Abstraction has 444 states and 524 transitions. [2024-10-13 13:01:43,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.533333333333333) internal successors, (83), 16 states have internal predecessors, (83), 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 13:01:43,556 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 524 transitions. [2024-10-13 13:01:43,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-13 13:01:43,557 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:01:43,557 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 1, 1, 1, 1, 1, 1] [2024-10-13 13:01:43,574 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-13 13:01:43,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:01:43,758 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 13:01:43,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:01:43,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1920212836, now seen corresponding path program 2 times [2024-10-13 13:01:43,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:01:43,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829592512] [2024-10-13 13:01:43,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:01:43,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:01:43,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:01:43,852 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:01:43,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:01:43,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829592512] [2024-10-13 13:01:43,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829592512] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:01:43,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83797549] [2024-10-13 13:01:43,853 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:01:43,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:01:43,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:01:43,856 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:01:43,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-13 13:01:43,892 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 13:01:43,893 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:01:43,893 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-13 13:01:43,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:01:43,928 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:01:43,928 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:01:44,015 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:01:44,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [83797549] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:01:44,016 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:01:44,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2024-10-13 13:01:44,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147278215] [2024-10-13 13:01:44,016 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:01:44,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-13 13:01:44,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:01:44,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-13 13:01:44,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2024-10-13 13:01:44,017 INFO L87 Difference]: Start difference. First operand 444 states and 524 transitions. Second operand has 16 states, 15 states have (on average 5.0) internal successors, (75), 16 states have internal predecessors, (75), 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 13:01:44,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:01:44,266 INFO L93 Difference]: Finished difference Result 1693 states and 2069 transitions. [2024-10-13 13:01:44,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-13 13:01:44,267 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.0) internal successors, (75), 16 states have internal predecessors, (75), 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 38 [2024-10-13 13:01:44,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:01:44,272 INFO L225 Difference]: With dead ends: 1693 [2024-10-13 13:01:44,272 INFO L226 Difference]: Without dead ends: 1692 [2024-10-13 13:01:44,273 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2024-10-13 13:01:44,273 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 138 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:01:44,274 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 78 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:01:44,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1692 states. [2024-10-13 13:01:44,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1692 to 1202. [2024-10-13 13:01:44,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1202 states, 1200 states have (on average 1.1741666666666666) internal successors, (1409), 1201 states have internal predecessors, (1409), 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 13:01:44,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 1202 states and 1409 transitions. [2024-10-13 13:01:44,435 INFO L78 Accepts]: Start accepts. Automaton has 1202 states and 1409 transitions. Word has length 38 [2024-10-13 13:01:44,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:01:44,435 INFO L471 AbstractCegarLoop]: Abstraction has 1202 states and 1409 transitions. [2024-10-13 13:01:44,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.0) internal successors, (75), 16 states have internal predecessors, (75), 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 13:01:44,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1409 transitions. [2024-10-13 13:01:44,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-13 13:01:44,436 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:01:44,436 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 1, 1, 1] [2024-10-13 13:01:44,450 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-13 13:01:44,637 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,SelfDestructingSolverStorable15 [2024-10-13 13:01:44,637 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 13:01:44,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:01:44,638 INFO L85 PathProgramCache]: Analyzing trace with hash 328314865, now seen corresponding path program 3 times [2024-10-13 13:01:44,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:01:44,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823549766] [2024-10-13 13:01:44,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:01:44,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:01:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:01:44,868 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:01:44,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:01:44,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823549766] [2024-10-13 13:01:44,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823549766] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:01:44,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805071170] [2024-10-13 13:01:44,869 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-13 13:01:44,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:01:44,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:01:44,871 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:01:44,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-13 13:01:44,917 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-10-13 13:01:44,917 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:01:44,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-13 13:01:44,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:01:45,174 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:01:45,174 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:01:45,380 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:01:45,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805071170] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:01:45,380 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:01:45,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 11, 11] total 36 [2024-10-13 13:01:45,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244295828] [2024-10-13 13:01:45,381 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:01:45,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-10-13 13:01:45,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:01:45,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-10-13 13:01:45,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2024-10-13 13:01:45,383 INFO L87 Difference]: Start difference. First operand 1202 states and 1409 transitions. Second operand has 37 states, 36 states have (on average 3.6944444444444446) internal successors, (133), 37 states have internal predecessors, (133), 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 13:01:50,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:01:50,463 INFO L93 Difference]: Finished difference Result 10537 states and 12328 transitions. [2024-10-13 13:01:50,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 198 states. [2024-10-13 13:01:50,464 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 36 states have (on average 3.6944444444444446) internal successors, (133), 37 states have internal predecessors, (133), 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 45 [2024-10-13 13:01:50,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:01:50,486 INFO L225 Difference]: With dead ends: 10537 [2024-10-13 13:01:50,486 INFO L226 Difference]: Without dead ends: 10536 [2024-10-13 13:01:50,495 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 221 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23404 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=10919, Invalid=38587, Unknown=0, NotChecked=0, Total=49506 [2024-10-13 13:01:50,496 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 760 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 947 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 760 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 1125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 13:01:50,496 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [760 Valid, 30 Invalid, 1125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 947 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 13:01:50,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10536 states. [2024-10-13 13:01:51,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10536 to 3946. [2024-10-13 13:01:51,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3946 states, 3944 states have (on average 1.1843306288032454) internal successors, (4671), 3945 states have internal predecessors, (4671), 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 13:01:51,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3946 states to 3946 states and 4671 transitions. [2024-10-13 13:01:51,447 INFO L78 Accepts]: Start accepts. Automaton has 3946 states and 4671 transitions. Word has length 45 [2024-10-13 13:01:51,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:01:51,447 INFO L471 AbstractCegarLoop]: Abstraction has 3946 states and 4671 transitions. [2024-10-13 13:01:51,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 3.6944444444444446) internal successors, (133), 37 states have internal predecessors, (133), 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 13:01:51,448 INFO L276 IsEmpty]: Start isEmpty. Operand 3946 states and 4671 transitions. [2024-10-13 13:01:51,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-13 13:01:51,449 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:01:51,449 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 3, 3, 3, 3, 3, 1, 1, 1] [2024-10-13 13:01:51,466 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-13 13:01:51,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-13 13:01:51,650 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 13:01:51,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:01:51,651 INFO L85 PathProgramCache]: Analyzing trace with hash 731885117, now seen corresponding path program 4 times [2024-10-13 13:01:51,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:01:51,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189435873] [2024-10-13 13:01:51,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:01:51,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:01:51,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:01:51,973 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:01:51,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:01:51,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189435873] [2024-10-13 13:01:51,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189435873] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:01:51,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2124281635] [2024-10-13 13:01:51,974 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-13 13:01:51,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:01:51,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:01:51,975 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:01:51,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-13 13:01:52,009 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-13 13:01:52,009 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:01:52,010 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-13 13:01:52,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:01:52,479 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:01:52,479 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:01:52,898 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:01:52,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2124281635] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:01:52,899 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:01:52,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 58 [2024-10-13 13:01:52,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587670767] [2024-10-13 13:01:52,899 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:01:52,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2024-10-13 13:01:52,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:01:52,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2024-10-13 13:01:52,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=549, Invalid=2873, Unknown=0, NotChecked=0, Total=3422 [2024-10-13 13:01:52,901 INFO L87 Difference]: Start difference. First operand 3946 states and 4671 transitions. Second operand has 59 states, 58 states have (on average 3.0172413793103448) internal successors, (175), 59 states have internal predecessors, (175), 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 13:02:11,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:02:11,370 INFO L93 Difference]: Finished difference Result 22157 states and 25826 transitions. [2024-10-13 13:02:11,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 405 states. [2024-10-13 13:02:11,371 INFO L78 Accepts]: Start accepts. Automaton has has 59 states, 58 states have (on average 3.0172413793103448) internal successors, (175), 59 states have internal predecessors, (175), 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 59 [2024-10-13 13:02:11,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:02:11,424 INFO L225 Difference]: With dead ends: 22157 [2024-10-13 13:02:11,424 INFO L226 Difference]: Without dead ends: 22156 [2024-10-13 13:02:11,443 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 527 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 447 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108054 ImplicationChecksByTransitivity, 11.7s TimeCoverageRelationStatistics Valid=57344, Invalid=143808, Unknown=0, NotChecked=0, Total=201152 [2024-10-13 13:02:11,444 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 1946 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 4769 mSolverCounterSat, 681 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1946 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 5450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 681 IncrementalHoareTripleChecker+Valid, 4769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:02:11,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1946 Valid, 57 Invalid, 5450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [681 Valid, 4769 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-10-13 13:02:11,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22156 states. [2024-10-13 13:02:14,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22156 to 11708. [2024-10-13 13:02:14,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11708 states, 11706 states have (on average 1.1846061848624636) internal successors, (13867), 11707 states have internal predecessors, (13867), 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 13:02:14,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11708 states to 11708 states and 13867 transitions. [2024-10-13 13:02:14,112 INFO L78 Accepts]: Start accepts. Automaton has 11708 states and 13867 transitions. Word has length 59 [2024-10-13 13:02:14,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:02:14,113 INFO L471 AbstractCegarLoop]: Abstraction has 11708 states and 13867 transitions. [2024-10-13 13:02:14,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 58 states have (on average 3.0172413793103448) internal successors, (175), 59 states have internal predecessors, (175), 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 13:02:14,113 INFO L276 IsEmpty]: Start isEmpty. Operand 11708 states and 13867 transitions. [2024-10-13 13:02:14,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-13 13:02:14,117 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:02:14,117 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 3, 1, 1, 1] [2024-10-13 13:02:14,131 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-13 13:02:14,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-13 13:02:14,318 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 13:02:14,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:02:14,319 INFO L85 PathProgramCache]: Analyzing trace with hash -684089168, now seen corresponding path program 5 times [2024-10-13 13:02:14,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:02:14,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628290534] [2024-10-13 13:02:14,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:02:14,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:02:14,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:02:14,590 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:02:14,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:02:14,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628290534] [2024-10-13 13:02:14,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628290534] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:02:14,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2006766966] [2024-10-13 13:02:14,591 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-13 13:02:14,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:02:14,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:02:14,593 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:02:14,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-13 13:02:14,657 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2024-10-13 13:02:14,658 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:02:14,658 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-13 13:02:14,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:02:14,842 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 67 proven. 21 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-10-13 13:02:14,843 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:02:15,175 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 67 proven. 21 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-10-13 13:02:15,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2006766966] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:02:15,176 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:02:15,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 11, 11] total 38 [2024-10-13 13:02:15,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484722809] [2024-10-13 13:02:15,176 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:02:15,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-10-13 13:02:15,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:02:15,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-10-13 13:02:15,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=1222, Unknown=0, NotChecked=0, Total=1406 [2024-10-13 13:02:15,179 INFO L87 Difference]: Start difference. First operand 11708 states and 13867 transitions. Second operand has 38 states, 38 states have (on average 3.0526315789473686) internal successors, (116), 38 states have internal predecessors, (116), 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 13:02:22,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:02:22,981 INFO L93 Difference]: Finished difference Result 25648 states and 30288 transitions. [2024-10-13 13:02:22,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. [2024-10-13 13:02:22,982 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 3.0526315789473686) internal successors, (116), 38 states have internal predecessors, (116), 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 61 [2024-10-13 13:02:22,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:02:22,991 INFO L225 Difference]: With dead ends: 25648 [2024-10-13 13:02:22,991 INFO L226 Difference]: Without dead ends: 639 [2024-10-13 13:02:23,019 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 143 SyntacticMatches, 1 SemanticMatches, 234 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22419 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=8533, Invalid=46927, Unknown=0, NotChecked=0, Total=55460 [2024-10-13 13:02:23,019 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 645 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 1108 mSolverCounterSat, 276 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 645 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 1384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 276 IncrementalHoareTripleChecker+Valid, 1108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 13:02:23,020 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [645 Valid, 3 Invalid, 1384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [276 Valid, 1108 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 13:02:23,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2024-10-13 13:02:23,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 166. [2024-10-13 13:02:23,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 164 states have (on average 1.103658536585366) internal successors, (181), 165 states have internal predecessors, (181), 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 13:02:23,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 181 transitions. [2024-10-13 13:02:23,156 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 181 transitions. Word has length 61 [2024-10-13 13:02:23,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:02:23,157 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 181 transitions. [2024-10-13 13:02:23,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 3.0526315789473686) internal successors, (116), 38 states have internal predecessors, (116), 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 13:02:23,158 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 181 transitions. [2024-10-13 13:02:23,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-13 13:02:23,158 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:02:23,158 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 3, 1, 1, 1] [2024-10-13 13:02:23,183 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-13 13:02:23,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:02:23,359 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 13:02:23,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:02:23,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1410142180, now seen corresponding path program 6 times [2024-10-13 13:02:23,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:02:23,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675079346] [2024-10-13 13:02:23,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:02:23,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:02:23,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:02:23,642 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:02:23,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:02:23,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675079346] [2024-10-13 13:02:23,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675079346] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:02:23,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116877271] [2024-10-13 13:02:23,643 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-13 13:02:23,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:02:23,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:02:23,645 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:02:23,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-13 13:02:23,689 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2024-10-13 13:02:23,690 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:02:23,691 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-13 13:02:23,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:02:24,080 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:02:24,080 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:02:24,405 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:02:24,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1116877271] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:02:24,406 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:02:24,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 15, 15] total 50 [2024-10-13 13:02:24,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078098447] [2024-10-13 13:02:24,406 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:02:24,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-10-13 13:02:24,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:02:24,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-10-13 13:02:24,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=553, Invalid=1997, Unknown=0, NotChecked=0, Total=2550 [2024-10-13 13:02:24,408 INFO L87 Difference]: Start difference. First operand 166 states and 181 transitions. Second operand has 51 states, 50 states have (on average 3.62) internal successors, (181), 51 states have internal predecessors, (181), 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 13:02:26,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:02:26,583 INFO L93 Difference]: Finished difference Result 431 states and 457 transitions. [2024-10-13 13:02:26,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-10-13 13:02:26,584 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 50 states have (on average 3.62) internal successors, (181), 51 states have internal predecessors, (181), 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 61 [2024-10-13 13:02:26,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:02:26,587 INFO L225 Difference]: With dead ends: 431 [2024-10-13 13:02:26,587 INFO L226 Difference]: Without dead ends: 430 [2024-10-13 13:02:26,589 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7257 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=5066, Invalid=13840, Unknown=0, NotChecked=0, Total=18906 [2024-10-13 13:02:26,590 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 793 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 620 mSolverCounterSat, 214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 793 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:02:26,590 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [793 Valid, 48 Invalid, 834 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 620 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:02:26,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2024-10-13 13:02:26,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 182. [2024-10-13 13:02:26,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 180 states have (on average 1.1166666666666667) internal successors, (201), 181 states have internal predecessors, (201), 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 13:02:26,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 201 transitions. [2024-10-13 13:02:26,678 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 201 transitions. Word has length 61 [2024-10-13 13:02:26,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:02:26,678 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 201 transitions. [2024-10-13 13:02:26,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 50 states have (on average 3.62) internal successors, (181), 51 states have internal predecessors, (181), 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 13:02:26,678 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 201 transitions. [2024-10-13 13:02:26,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-13 13:02:26,679 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:02:26,679 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 5, 5, 5, 5, 5, 4, 1, 1, 1] [2024-10-13 13:02:26,690 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-10-13 13:02:26,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:02:26,880 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 13:02:26,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:02:26,880 INFO L85 PathProgramCache]: Analyzing trace with hash 640508935, now seen corresponding path program 7 times [2024-10-13 13:02:26,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:02:26,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90283878] [2024-10-13 13:02:26,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:02:26,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:02:26,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:02:27,273 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 0 proven. 285 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:02:27,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:02:27,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90283878] [2024-10-13 13:02:27,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90283878] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:02:27,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1949079315] [2024-10-13 13:02:27,273 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-13 13:02:27,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:02:27,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:02:27,275 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:02:27,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-13 13:02:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:02:27,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-13 13:02:27,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:02:27,785 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 0 proven. 285 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:02:27,785 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:02:28,202 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 0 proven. 285 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:02:28,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1949079315] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:02:28,202 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:02:28,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 19, 19] total 64 [2024-10-13 13:02:28,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202716064] [2024-10-13 13:02:28,203 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:02:28,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-10-13 13:02:28,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:02:28,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-10-13 13:02:28,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=871, Invalid=3289, Unknown=0, NotChecked=0, Total=4160 [2024-10-13 13:02:28,205 INFO L87 Difference]: Start difference. First operand 182 states and 201 transitions. Second operand has 65 states, 64 states have (on average 3.578125) internal successors, (229), 65 states have internal predecessors, (229), 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 13:02:32,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:02:32,517 INFO L93 Difference]: Finished difference Result 606 states and 646 transitions. [2024-10-13 13:02:32,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2024-10-13 13:02:32,517 INFO L78 Accepts]: Start accepts. Automaton has has 65 states, 64 states have (on average 3.578125) internal successors, (229), 65 states have internal predecessors, (229), 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 77 [2024-10-13 13:02:32,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:02:32,521 INFO L225 Difference]: With dead ends: 606 [2024-10-13 13:02:32,521 INFO L226 Difference]: Without dead ends: 605 [2024-10-13 13:02:32,526 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 193 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15109 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=9942, Invalid=27888, Unknown=0, NotChecked=0, Total=37830 [2024-10-13 13:02:32,526 INFO L432 NwaCegarLoop]: 1 mSDtfsCounter, 1437 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 388 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1437 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 1194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 388 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 13:02:32,526 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1437 Valid, 59 Invalid, 1194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [388 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 13:02:32,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2024-10-13 13:02:32,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 208. [2024-10-13 13:02:32,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 206 states have (on average 1.145631067961165) internal successors, (236), 207 states have internal predecessors, (236), 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 13:02:32,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 236 transitions. [2024-10-13 13:02:32,674 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 236 transitions. Word has length 77 [2024-10-13 13:02:32,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:02:32,674 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 236 transitions. [2024-10-13 13:02:32,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 64 states have (on average 3.578125) internal successors, (229), 65 states have internal predecessors, (229), 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 13:02:32,675 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 236 transitions. [2024-10-13 13:02:32,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-13 13:02:32,675 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:02:32,675 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 1, 1, 1, 1, 1, 1] [2024-10-13 13:02:32,687 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-13 13:02:32,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-10-13 13:02:32,876 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 13:02:32,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:02:32,876 INFO L85 PathProgramCache]: Analyzing trace with hash -190328036, now seen corresponding path program 3 times [2024-10-13 13:02:32,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:02:32,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137166453] [2024-10-13 13:02:32,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:02:32,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:02:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:02:33,090 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 0 proven. 497 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:02:33,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:02:33,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137166453] [2024-10-13 13:02:33,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137166453] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:02:33,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798251892] [2024-10-13 13:02:33,091 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-13 13:02:33,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:02:33,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:02:33,093 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:02:33,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-13 13:02:33,139 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-10-13 13:02:33,139 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:02:33,140 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-13 13:02:33,142 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:02:33,238 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 0 proven. 497 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:02:33,239 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:02:33,529 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 0 proven. 497 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:02:33,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1798251892] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:02:33,530 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:02:33,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 31 [2024-10-13 13:02:33,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724633187] [2024-10-13 13:02:33,530 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:02:33,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-10-13 13:02:33,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:02:33,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-10-13 13:02:33,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2024-10-13 13:02:33,531 INFO L87 Difference]: Start difference. First operand 208 states and 236 transitions. Second operand has 32 states, 31 states have (on average 5.0) internal successors, (155), 32 states have internal predecessors, (155), 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 13:02:34,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:02:34,377 INFO L93 Difference]: Finished difference Result 910 states and 982 transitions. [2024-10-13 13:02:34,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-10-13 13:02:34,378 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 5.0) internal successors, (155), 32 states have internal predecessors, (155), 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 78 [2024-10-13 13:02:34,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:02:34,380 INFO L225 Difference]: With dead ends: 910 [2024-10-13 13:02:34,381 INFO L226 Difference]: Without dead ends: 909 [2024-10-13 13:02:34,381 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2024-10-13 13:02:34,382 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 377 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:02:34,382 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 158 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:02:34,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2024-10-13 13:02:34,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 260. [2024-10-13 13:02:34,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 258 states have (on average 1.1356589147286822) internal successors, (293), 259 states have internal predecessors, (293), 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 13:02:34,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 293 transitions. [2024-10-13 13:02:34,513 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 293 transitions. Word has length 78 [2024-10-13 13:02:34,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:02:34,513 INFO L471 AbstractCegarLoop]: Abstraction has 260 states and 293 transitions. [2024-10-13 13:02:34,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 5.0) internal successors, (155), 32 states have internal predecessors, (155), 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 13:02:34,513 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 293 transitions. [2024-10-13 13:02:34,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-13 13:02:34,514 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:02:34,514 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 14, 1, 1, 1] [2024-10-13 13:02:34,526 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-10-13 13:02:34,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:02:34,716 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 13:02:34,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:02:34,717 INFO L85 PathProgramCache]: Analyzing trace with hash 324729460, now seen corresponding path program 3 times [2024-10-13 13:02:34,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:02:34,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996090105] [2024-10-13 13:02:34,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:02:34,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:02:34,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:02:35,236 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:02:35,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:02:35,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996090105] [2024-10-13 13:02:35,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996090105] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:02:35,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251661317] [2024-10-13 13:02:35,237 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-13 13:02:35,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:02:35,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:02:35,238 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:02:35,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-13 13:02:35,280 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-10-13 13:02:35,280 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:02:35,281 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-13 13:02:35,282 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:02:36,294 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:02:36,294 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:02:37,256 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:02:37,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1251661317] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:02:37,256 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:02:37,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 91 [2024-10-13 13:02:37,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153242937] [2024-10-13 13:02:37,256 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:02:37,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2024-10-13 13:02:37,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:02:37,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2024-10-13 13:02:37,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1637, Invalid=6735, Unknown=0, NotChecked=0, Total=8372 [2024-10-13 13:02:37,259 INFO L87 Difference]: Start difference. First operand 260 states and 293 transitions. Second operand has 92 states, 91 states have (on average 3.010989010989011) internal successors, (274), 92 states have internal predecessors, (274), 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 13:02:43,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:02:43,471 INFO L93 Difference]: Finished difference Result 651 states and 699 transitions. [2024-10-13 13:02:43,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-10-13 13:02:43,471 INFO L78 Accepts]: Start accepts. Automaton has has 92 states, 91 states have (on average 3.010989010989011) internal successors, (274), 92 states have internal predecessors, (274), 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 92 [2024-10-13 13:02:43,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:02:43,473 INFO L225 Difference]: With dead ends: 651 [2024-10-13 13:02:43,473 INFO L226 Difference]: Without dead ends: 650 [2024-10-13 13:02:43,475 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 173 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10731 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=8689, Invalid=21761, Unknown=0, NotChecked=0, Total=30450 [2024-10-13 13:02:43,475 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 624 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 3448 mSolverCounterSat, 283 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 624 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 3731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 283 IncrementalHoareTripleChecker+Valid, 3448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:02:43,476 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [624 Valid, 183 Invalid, 3731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [283 Valid, 3448 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-13 13:02:43,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2024-10-13 13:02:43,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 356. [2024-10-13 13:02:43,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 354 states have (on average 1.0988700564971752) internal successors, (389), 355 states have internal predecessors, (389), 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 13:02:43,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 389 transitions. [2024-10-13 13:02:43,722 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 389 transitions. Word has length 92 [2024-10-13 13:02:43,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:02:43,722 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 389 transitions. [2024-10-13 13:02:43,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 91 states have (on average 3.010989010989011) internal successors, (274), 92 states have internal predecessors, (274), 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 13:02:43,722 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 389 transitions. [2024-10-13 13:02:43,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-13 13:02:43,723 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:02:43,723 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 5, 5, 5, 5, 5, 1, 1, 1] [2024-10-13 13:02:43,735 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-10-13 13:02:43,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:02:43,923 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 13:02:43,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:02:43,924 INFO L85 PathProgramCache]: Analyzing trace with hash -2107580599, now seen corresponding path program 8 times [2024-10-13 13:02:43,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:02:43,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487096221] [2024-10-13 13:02:43,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:02:43,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:02:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:02:44,467 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:02:44,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:02:44,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487096221] [2024-10-13 13:02:44,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487096221] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:02:44,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1673799176] [2024-10-13 13:02:44,468 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:02:44,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:02:44,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:02:44,470 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:02:44,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-13 13:02:44,514 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 13:02:44,515 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:02:44,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-13 13:02:44,518 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:02:45,324 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:02:45,324 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:02:46,112 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:02:46,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1673799176] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:02:46,113 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:02:46,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 27, 27] total 84 [2024-10-13 13:02:46,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122145799] [2024-10-13 13:02:46,113 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:02:46,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-10-13 13:02:46,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:02:46,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-10-13 13:02:46,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1312, Invalid=5828, Unknown=0, NotChecked=0, Total=7140 [2024-10-13 13:02:46,116 INFO L87 Difference]: Start difference. First operand 356 states and 389 transitions. Second operand has 85 states, 84 states have (on average 3.2976190476190474) internal successors, (277), 85 states have internal predecessors, (277), 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 13:02:55,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:02:55,084 INFO L93 Difference]: Finished difference Result 1131 states and 1188 transitions. [2024-10-13 13:02:55,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2024-10-13 13:02:55,085 INFO L78 Accepts]: Start accepts. Automaton has has 85 states, 84 states have (on average 3.2976190476190474) internal successors, (277), 85 states have internal predecessors, (277), 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 93 [2024-10-13 13:02:55,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:02:55,089 INFO L225 Difference]: With dead ends: 1131 [2024-10-13 13:02:55,089 INFO L226 Difference]: Without dead ends: 1130 [2024-10-13 13:02:55,097 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 416 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 282 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34257 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=21907, Invalid=58465, Unknown=0, NotChecked=0, Total=80372 [2024-10-13 13:02:55,098 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 1565 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 1981 mSolverCounterSat, 449 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1565 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 2430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 449 IncrementalHoareTripleChecker+Valid, 1981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:02:55,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1565 Valid, 102 Invalid, 2430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [449 Valid, 1981 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-13 13:02:55,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1130 states. [2024-10-13 13:02:55,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1130 to 394. [2024-10-13 13:02:55,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 392 states have (on average 1.094387755102041) internal successors, (429), 393 states have internal predecessors, (429), 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 13:02:55,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 429 transitions. [2024-10-13 13:02:55,545 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 429 transitions. Word has length 93 [2024-10-13 13:02:55,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:02:55,545 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 429 transitions. [2024-10-13 13:02:55,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 84 states have (on average 3.2976190476190474) internal successors, (277), 85 states have internal predecessors, (277), 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 13:02:55,546 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 429 transitions. [2024-10-13 13:02:55,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-13 13:02:55,547 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:02:55,547 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 5, 1, 1, 1] [2024-10-13 13:02:55,563 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-13 13:02:55,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-10-13 13:02:55,752 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 13:02:55,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:02:55,752 INFO L85 PathProgramCache]: Analyzing trace with hash 595278770, now seen corresponding path program 9 times [2024-10-13 13:02:55,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:02:55,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821870370] [2024-10-13 13:02:55,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:02:55,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:02:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:02:56,235 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 0 proven. 431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:02:56,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:02:56,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821870370] [2024-10-13 13:02:56,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821870370] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:02:56,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44114360] [2024-10-13 13:02:56,236 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-13 13:02:56,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:02:56,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:02:56,237 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:02:56,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-13 13:02:56,282 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-10-13 13:02:56,282 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:02:56,283 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-13 13:02:56,284 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:02:56,847 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 0 proven. 431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:02:56,847 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:02:57,428 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 0 proven. 431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:02:57,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [44114360] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:02:57,428 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:02:57,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 23, 23] total 78 [2024-10-13 13:02:57,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388521694] [2024-10-13 13:02:57,429 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:02:57,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2024-10-13 13:02:57,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:02:57,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2024-10-13 13:02:57,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1260, Invalid=4902, Unknown=0, NotChecked=0, Total=6162 [2024-10-13 13:02:57,431 INFO L87 Difference]: Start difference. First operand 394 states and 429 transitions. Second operand has 79 states, 78 states have (on average 3.551282051282051) internal successors, (277), 79 states have internal predecessors, (277), 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)