./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted-lit/LarrazOliverasRodriguez-CarbonellRubio-FMCAD2013-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../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.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:40:01,922 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:40:02,026 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-10 18:40:02,032 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:40:02,033 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:40:02,048 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:40:02,049 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:40:02,049 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:40:02,049 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:40:02,050 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:40:02,050 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:40:02,050 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:40:02,051 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:40:02,051 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:40:02,051 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:40:02,052 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:40:02,052 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 18:40:02,052 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:40:02,053 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:40:02,053 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 18:40:02,053 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:40:02,063 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 18:40:02,063 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:40:02,063 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 18:40:02,063 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:40:02,064 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 18:40:02,064 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:40:02,064 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:40:02,064 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:40:02,064 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:40:02,065 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:40:02,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:40:02,065 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:40:02,065 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:40:02,065 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 18:40:02,066 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:40:02,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:40:02,066 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:40:02,067 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:40:02,067 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:40:02,067 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:40:02,067 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33be026e9ca846df0a8faa91fc9c2bbf64ee20dbba0f4f48a9cd42fbefb372d5 [2024-11-10 18:40:02,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:40:02,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:40:02,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:40:02,347 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:40:02,348 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:40:02,349 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/LarrazOliverasRodriguez-CarbonellRubio-FMCAD2013-Fig1.c [2024-11-10 18:40:03,714 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:40:03,872 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:40:03,872 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/LarrazOliverasRodriguez-CarbonellRubio-FMCAD2013-Fig1.c [2024-11-10 18:40:03,878 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6311ae4a/4be4d6de2237476eb9b5f06f2292bfe8/FLAGea5a3d170 [2024-11-10 18:40:04,272 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6311ae4a/4be4d6de2237476eb9b5f06f2292bfe8 [2024-11-10 18:40:04,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:40:04,276 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:40:04,277 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:40:04,277 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:40:04,283 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:40:04,284 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:40:04" (1/1) ... [2024-11-10 18:40:04,284 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@572ee9b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:04, skipping insertion in model container [2024-11-10 18:40:04,285 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:40:04" (1/1) ... [2024-11-10 18:40:04,302 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:40:04,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:40:04,490 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:40:04,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:40:04,518 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:40:04,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:04 WrapperNode [2024-11-10 18:40:04,519 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:40:04,520 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:40:04,520 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:40:04,520 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:40:04,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:04" (1/1) ... [2024-11-10 18:40:04,531 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:04" (1/1) ... [2024-11-10 18:40:04,548 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2024-11-10 18:40:04,550 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:40:04,550 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:40:04,550 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:40:04,551 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:40:04,560 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:04" (1/1) ... [2024-11-10 18:40:04,561 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:04" (1/1) ... [2024-11-10 18:40:04,562 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:04" (1/1) ... [2024-11-10 18:40:04,568 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-10 18:40:04,572 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:04" (1/1) ... [2024-11-10 18:40:04,572 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:04" (1/1) ... [2024-11-10 18:40:04,574 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:04" (1/1) ... [2024-11-10 18:40:04,574 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:04" (1/1) ... [2024-11-10 18:40:04,575 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:04" (1/1) ... [2024-11-10 18:40:04,575 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:04" (1/1) ... [2024-11-10 18:40:04,576 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:40:04,577 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:40:04,577 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:40:04,577 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:40:04,578 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:04" (1/1) ... [2024-11-10 18:40:04,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:40:04,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:40:04,614 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) [2024-11-10 18:40:04,626 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 [2024-11-10 18:40:04,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:40:04,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:40:04,742 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:40:04,743 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:40:04,851 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-10 18:40:04,852 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:40:04,864 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:40:04,864 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:40:04,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:40:04 BoogieIcfgContainer [2024-11-10 18:40:04,864 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:40:04,866 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:40:04,866 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:40:04,868 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:40:04,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:40:04" (1/3) ... [2024-11-10 18:40:04,869 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3538d62e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:40:04, skipping insertion in model container [2024-11-10 18:40:04,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:04" (2/3) ... [2024-11-10 18:40:04,869 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3538d62e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:40:04, skipping insertion in model container [2024-11-10 18:40:04,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:40:04" (3/3) ... [2024-11-10 18:40:04,870 INFO L112 eAbstractionObserver]: Analyzing ICFG LarrazOliverasRodriguez-CarbonellRubio-FMCAD2013-Fig1.c [2024-11-10 18:40:04,882 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:40:04,882 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-10 18:40:04,919 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:40:04,924 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;@27379880, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:40:04,924 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-10 18:40:04,931 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 22 states have (on average 1.5909090909090908) internal successors, (35), 30 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) [2024-11-10 18:40:04,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-10 18:40:04,935 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:40:04,936 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-10 18:40:04,940 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 18:40:04,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:40:04,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1892323292, now seen corresponding path program 1 times [2024-11-10 18:40:04,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:40:04,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511378019] [2024-11-10 18:40:04,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:40:04,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:40:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:40:05,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:40:05,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:40:05,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511378019] [2024-11-10 18:40:05,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511378019] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:40:05,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:40:05,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:40:05,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719068964] [2024-11-10 18:40:05,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:40:05,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:40:05,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:40:05,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:40:05,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:40:05,133 INFO L87 Difference]: Start difference. First operand has 31 states, 22 states have (on average 1.5909090909090908) internal successors, (35), 30 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) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:40:05,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:40:05,190 INFO L93 Difference]: Finished difference Result 66 states and 77 transitions. [2024-11-10 18:40:05,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:40:05,193 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-10 18:40:05,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:40:05,199 INFO L225 Difference]: With dead ends: 66 [2024-11-10 18:40:05,199 INFO L226 Difference]: Without dead ends: 32 [2024-11-10 18:40:05,201 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 [2024-11-10 18:40:05,208 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 4 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:40:05,209 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 45 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:40:05,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-11-10 18:40:05,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2024-11-10 18:40:05,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 29 states have internal predecessors, (31), 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) [2024-11-10 18:40:05,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2024-11-10 18:40:05,234 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 6 [2024-11-10 18:40:05,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:40:05,235 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2024-11-10 18:40:05,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:40:05,235 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2024-11-10 18:40:05,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-10 18:40:05,238 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:40:05,238 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:40:05,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 18:40:05,239 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 18:40:05,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:40:05,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1467520099, now seen corresponding path program 1 times [2024-11-10 18:40:05,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:40:05,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662657326] [2024-11-10 18:40:05,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:40:05,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:40:05,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:40:05,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:40:05,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:40:05,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662657326] [2024-11-10 18:40:05,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662657326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:40:05,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:40:05,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:40:05,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349510176] [2024-11-10 18:40:05,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:40:05,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:40:05,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:40:05,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:40:05,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:40:05,272 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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) [2024-11-10 18:40:05,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:40:05,303 INFO L93 Difference]: Finished difference Result 43 states and 50 transitions. [2024-11-10 18:40:05,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:40:05,303 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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 [2024-11-10 18:40:05,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:40:05,304 INFO L225 Difference]: With dead ends: 43 [2024-11-10 18:40:05,304 INFO L226 Difference]: Without dead ends: 42 [2024-11-10 18:40:05,304 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 [2024-11-10 18:40:05,305 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 9 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:40:05,306 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 24 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:40:05,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-10 18:40:05,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 40. [2024-11-10 18:40:05,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 32 states have (on average 1.40625) internal successors, (45), 39 states have internal predecessors, (45), 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) [2024-11-10 18:40:05,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 45 transitions. [2024-11-10 18:40:05,313 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 45 transitions. Word has length 7 [2024-11-10 18:40:05,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:40:05,314 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 45 transitions. [2024-11-10 18:40:05,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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) [2024-11-10 18:40:05,314 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2024-11-10 18:40:05,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-10 18:40:05,314 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:40:05,314 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:40:05,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 18:40:05,315 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 18:40:05,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:40:05,315 INFO L85 PathProgramCache]: Analyzing trace with hash -109409521, now seen corresponding path program 1 times [2024-11-10 18:40:05,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:40:05,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590551128] [2024-11-10 18:40:05,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:40:05,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:40:05,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:40:05,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:40:05,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:40:05,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590551128] [2024-11-10 18:40:05,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590551128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:40:05,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:40:05,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:40:05,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994435857] [2024-11-10 18:40:05,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:40:05,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:40:05,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:40:05,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:40:05,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:40:05,392 INFO L87 Difference]: Start difference. First operand 40 states and 45 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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) [2024-11-10 18:40:05,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:40:05,490 INFO L93 Difference]: Finished difference Result 64 states and 78 transitions. [2024-11-10 18:40:05,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:40:05,490 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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 11 [2024-11-10 18:40:05,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:40:05,491 INFO L225 Difference]: With dead ends: 64 [2024-11-10 18:40:05,492 INFO L226 Difference]: Without dead ends: 63 [2024-11-10 18:40:05,492 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 [2024-11-10 18:40:05,493 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 25 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:40:05,493 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 34 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:40:05,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-10 18:40:05,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 54. [2024-11-10 18:40:05,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 46 states have (on average 1.4130434782608696) internal successors, (65), 53 states have internal predecessors, (65), 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) [2024-11-10 18:40:05,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 65 transitions. [2024-11-10 18:40:05,502 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 65 transitions. Word has length 11 [2024-11-10 18:40:05,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:40:05,502 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 65 transitions. [2024-11-10 18:40:05,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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) [2024-11-10 18:40:05,503 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 65 transitions. [2024-11-10 18:40:05,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-10 18:40:05,503 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:40:05,503 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:40:05,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 18:40:05,504 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 18:40:05,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:40:05,504 INFO L85 PathProgramCache]: Analyzing trace with hash -109409480, now seen corresponding path program 1 times [2024-11-10 18:40:05,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:40:05,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200548589] [2024-11-10 18:40:05,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:40:05,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:40:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:40:05,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:40:05,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:40:05,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200548589] [2024-11-10 18:40:05,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200548589] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:40:05,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:40:05,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:40:05,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053679142] [2024-11-10 18:40:05,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:40:05,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:40:05,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:40:05,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:40:05,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:40:05,563 INFO L87 Difference]: Start difference. First operand 54 states and 65 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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) [2024-11-10 18:40:05,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:40:05,613 INFO L93 Difference]: Finished difference Result 97 states and 124 transitions. [2024-11-10 18:40:05,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:40:05,614 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 11 [2024-11-10 18:40:05,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:40:05,615 INFO L225 Difference]: With dead ends: 97 [2024-11-10 18:40:05,615 INFO L226 Difference]: Without dead ends: 95 [2024-11-10 18:40:05,615 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 [2024-11-10 18:40:05,616 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 28 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:40:05,616 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 35 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:40:05,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-10 18:40:05,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 83. [2024-11-10 18:40:05,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 75 states have (on average 1.3866666666666667) internal successors, (104), 82 states have internal predecessors, (104), 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) [2024-11-10 18:40:05,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 104 transitions. [2024-11-10 18:40:05,629 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 104 transitions. Word has length 11 [2024-11-10 18:40:05,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:40:05,629 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 104 transitions. [2024-11-10 18:40:05,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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) [2024-11-10 18:40:05,629 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 104 transitions. [2024-11-10 18:40:05,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-10 18:40:05,630 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:40:05,630 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:40:05,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 18:40:05,630 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 18:40:05,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:40:05,631 INFO L85 PathProgramCache]: Analyzing trace with hash 903272119, now seen corresponding path program 1 times [2024-11-10 18:40:05,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:40:05,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459153823] [2024-11-10 18:40:05,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:40:05,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:40:05,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:40:05,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:40:05,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:40:05,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459153823] [2024-11-10 18:40:05,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459153823] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:40:05,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:40:05,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:40:05,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506279347] [2024-11-10 18:40:05,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:40:05,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:40:05,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:40:05,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:40:05,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:40:05,687 INFO L87 Difference]: Start difference. First operand 83 states and 104 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-11-10 18:40:05,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:40:05,753 INFO L93 Difference]: Finished difference Result 100 states and 124 transitions. [2024-11-10 18:40:05,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:40:05,753 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 12 [2024-11-10 18:40:05,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:40:05,754 INFO L225 Difference]: With dead ends: 100 [2024-11-10 18:40:05,754 INFO L226 Difference]: Without dead ends: 99 [2024-11-10 18:40:05,754 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 [2024-11-10 18:40:05,755 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 20 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:40:05,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 30 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:40:05,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-10 18:40:05,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 93. [2024-11-10 18:40:05,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 85 states have (on average 1.3764705882352941) internal successors, (117), 92 states have internal predecessors, (117), 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) [2024-11-10 18:40:05,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 117 transitions. [2024-11-10 18:40:05,767 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 117 transitions. Word has length 12 [2024-11-10 18:40:05,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:40:05,768 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 117 transitions. [2024-11-10 18:40:05,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-11-10 18:40:05,770 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 117 transitions. [2024-11-10 18:40:05,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-10 18:40:05,770 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:40:05,770 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:40:05,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 18:40:05,771 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 18:40:05,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:40:05,771 INFO L85 PathProgramCache]: Analyzing trace with hash 903273400, now seen corresponding path program 1 times [2024-11-10 18:40:05,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:40:05,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47343411] [2024-11-10 18:40:05,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:40:05,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:40:05,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:40:05,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:40:05,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:40:05,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47343411] [2024-11-10 18:40:05,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47343411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:40:05,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:40:05,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:40:05,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910679340] [2024-11-10 18:40:05,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:40:05,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:40:05,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:40:05,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:40:05,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:40:05,803 INFO L87 Difference]: Start difference. First operand 93 states and 117 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-11-10 18:40:05,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:40:05,844 INFO L93 Difference]: Finished difference Result 156 states and 204 transitions. [2024-11-10 18:40:05,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:40:05,844 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 12 [2024-11-10 18:40:05,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:40:05,845 INFO L225 Difference]: With dead ends: 156 [2024-11-10 18:40:05,845 INFO L226 Difference]: Without dead ends: 154 [2024-11-10 18:40:05,846 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 [2024-11-10 18:40:05,846 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 27 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:40:05,847 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 38 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:40:05,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-11-10 18:40:05,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 127. [2024-11-10 18:40:05,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 119 states have (on average 1.3697478991596639) internal successors, (163), 126 states have internal predecessors, (163), 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) [2024-11-10 18:40:05,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2024-11-10 18:40:05,862 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 12 [2024-11-10 18:40:05,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:40:05,862 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2024-11-10 18:40:05,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-11-10 18:40:05,863 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2024-11-10 18:40:05,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-10 18:40:05,863 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:40:05,865 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:40:05,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 18:40:05,866 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 18:40:05,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:40:05,866 INFO L85 PathProgramCache]: Analyzing trace with hash 462343062, now seen corresponding path program 1 times [2024-11-10 18:40:05,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:40:05,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825712255] [2024-11-10 18:40:05,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:40:05,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:40:05,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:40:05,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:40:05,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:40:05,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825712255] [2024-11-10 18:40:05,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825712255] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:40:05,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:40:05,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:40:05,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408141411] [2024-11-10 18:40:05,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:40:05,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:40:05,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:40:05,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:40:05,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:40:05,911 INFO L87 Difference]: Start difference. First operand 127 states and 163 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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) [2024-11-10 18:40:05,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:40:05,934 INFO L93 Difference]: Finished difference Result 127 states and 163 transitions. [2024-11-10 18:40:05,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:40:05,935 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 [2024-11-10 18:40:05,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:40:05,936 INFO L225 Difference]: With dead ends: 127 [2024-11-10 18:40:05,936 INFO L226 Difference]: Without dead ends: 126 [2024-11-10 18:40:05,936 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 [2024-11-10 18:40:05,936 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 19 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:40:05,937 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 27 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:40:05,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-10 18:40:05,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2024-11-10 18:40:05,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 119 states have (on average 1.319327731092437) internal successors, (157), 125 states have internal predecessors, (157), 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) [2024-11-10 18:40:05,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 157 transitions. [2024-11-10 18:40:05,944 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 157 transitions. Word has length 14 [2024-11-10 18:40:05,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:40:05,944 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 157 transitions. [2024-11-10 18:40:05,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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) [2024-11-10 18:40:05,944 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 157 transitions. [2024-11-10 18:40:05,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-10 18:40:05,945 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:40:05,945 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:40:05,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 18:40:05,945 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 18:40:05,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:40:05,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1447733013, now seen corresponding path program 1 times [2024-11-10 18:40:05,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:40:05,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827374773] [2024-11-10 18:40:05,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:40:05,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:40:05,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:40:05,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:40:05,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:40:05,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827374773] [2024-11-10 18:40:05,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827374773] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:40:05,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:40:05,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:40:05,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395195908] [2024-11-10 18:40:05,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:40:05,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:40:05,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:40:05,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:40:05,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:40:05,966 INFO L87 Difference]: Start difference. First operand 126 states and 157 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-11-10 18:40:05,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:40:05,979 INFO L93 Difference]: Finished difference Result 126 states and 157 transitions. [2024-11-10 18:40:05,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:40:05,980 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 15 [2024-11-10 18:40:05,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:40:05,980 INFO L225 Difference]: With dead ends: 126 [2024-11-10 18:40:05,980 INFO L226 Difference]: Without dead ends: 125 [2024-11-10 18:40:05,981 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 [2024-11-10 18:40:05,981 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 11 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 21 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 [2024-11-10 18:40:05,983 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 21 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:40:05,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-10 18:40:05,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2024-11-10 18:40:05,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 119 states have (on average 1.26890756302521) internal successors, (151), 124 states have internal predecessors, (151), 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) [2024-11-10 18:40:05,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 151 transitions. [2024-11-10 18:40:05,994 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 151 transitions. Word has length 15 [2024-11-10 18:40:05,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:40:05,995 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 151 transitions. [2024-11-10 18:40:05,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-11-10 18:40:05,999 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 151 transitions. [2024-11-10 18:40:05,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-10 18:40:05,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:40:05,999 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:40:06,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 18:40:06,000 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 18:40:06,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:40:06,001 INFO L85 PathProgramCache]: Analyzing trace with hash -2111453955, now seen corresponding path program 1 times [2024-11-10 18:40:06,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:40:06,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132945876] [2024-11-10 18:40:06,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:40:06,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:40:06,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:40:06,052 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:40:06,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:40:06,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132945876] [2024-11-10 18:40:06,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132945876] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:40:06,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157958504] [2024-11-10 18:40:06,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:40:06,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:40:06,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:40:06,054 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) [2024-11-10 18:40:06,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 18:40:06,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:40:06,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:40:06,086 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:40:06,178 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:40:06,178 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:40:06,252 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:40:06,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [157958504] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:40:06,252 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:40:06,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-10 18:40:06,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136888331] [2024-11-10 18:40:06,253 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:40:06,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 18:40:06,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:40:06,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 18:40:06,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-10 18:40:06,254 INFO L87 Difference]: Start difference. First operand 125 states and 151 transitions. Second operand has 14 states, 13 states have (on average 4.538461538461538) internal successors, (59), 14 states have internal predecessors, (59), 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) [2024-11-10 18:40:06,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:40:06,611 INFO L93 Difference]: Finished difference Result 320 states and 415 transitions. [2024-11-10 18:40:06,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-10 18:40:06,611 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.538461538461538) internal successors, (59), 14 states have internal predecessors, (59), 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 21 [2024-11-10 18:40:06,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:40:06,612 INFO L225 Difference]: With dead ends: 320 [2024-11-10 18:40:06,612 INFO L226 Difference]: Without dead ends: 317 [2024-11-10 18:40:06,613 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=241, Invalid=515, Unknown=0, NotChecked=0, Total=756 [2024-11-10 18:40:06,613 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 166 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:40:06,613 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 81 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:40:06,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-11-10 18:40:06,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 172. [2024-11-10 18:40:06,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 168 states have (on average 1.2023809523809523) internal successors, (202), 171 states have internal predecessors, (202), 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) [2024-11-10 18:40:06,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 202 transitions. [2024-11-10 18:40:06,622 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 202 transitions. Word has length 21 [2024-11-10 18:40:06,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:40:06,622 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 202 transitions. [2024-11-10 18:40:06,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.538461538461538) internal successors, (59), 14 states have internal predecessors, (59), 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) [2024-11-10 18:40:06,622 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 202 transitions. [2024-11-10 18:40:06,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-10 18:40:06,623 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:40:06,623 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-10 18:40:06,636 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 18:40:06,823 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 [2024-11-10 18:40:06,824 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 18:40:06,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:40:06,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1030563191, now seen corresponding path program 1 times [2024-11-10 18:40:06,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:40:06,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133624715] [2024-11-10 18:40:06,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:40:06,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:40:06,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:40:06,870 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:40:06,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:40:06,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133624715] [2024-11-10 18:40:06,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133624715] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:40:06,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584581214] [2024-11-10 18:40:06,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:40:06,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:40:06,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:40:06,872 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) [2024-11-10 18:40:06,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 18:40:06,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:40:06,898 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 18:40:06,900 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:40:07,013 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:40:07,014 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:40:07,071 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:40:07,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [584581214] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:40:07,072 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:40:07,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-10 18:40:07,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806574689] [2024-11-10 18:40:07,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:40:07,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 18:40:07,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:40:07,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 18:40:07,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2024-11-10 18:40:07,073 INFO L87 Difference]: Start difference. First operand 172 states and 202 transitions. Second operand has 14 states, 13 states have (on average 4.769230769230769) internal successors, (62), 14 states have internal predecessors, (62), 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) [2024-11-10 18:40:07,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:40:07,271 INFO L93 Difference]: Finished difference Result 343 states and 411 transitions. [2024-11-10 18:40:07,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 18:40:07,272 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.769230769230769) internal successors, (62), 14 states have internal predecessors, (62), 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 22 [2024-11-10 18:40:07,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:40:07,273 INFO L225 Difference]: With dead ends: 343 [2024-11-10 18:40:07,273 INFO L226 Difference]: Without dead ends: 342 [2024-11-10 18:40:07,274 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=137, Invalid=243, Unknown=0, NotChecked=0, Total=380 [2024-11-10 18:40:07,274 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 175 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:40:07,274 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 79 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:40:07,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2024-11-10 18:40:07,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 266. [2024-11-10 18:40:07,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 262 states have (on average 1.1755725190839694) internal successors, (308), 265 states have internal predecessors, (308), 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) [2024-11-10 18:40:07,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 308 transitions. [2024-11-10 18:40:07,295 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 308 transitions. Word has length 22 [2024-11-10 18:40:07,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:40:07,295 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 308 transitions. [2024-11-10 18:40:07,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.769230769230769) internal successors, (62), 14 states have internal predecessors, (62), 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) [2024-11-10 18:40:07,297 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 308 transitions. [2024-11-10 18:40:07,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-10 18:40:07,300 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:40:07,300 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:40:07,313 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-10 18:40:07,504 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 [2024-11-10 18:40:07,504 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 18:40:07,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:40:07,505 INFO L85 PathProgramCache]: Analyzing trace with hash 490835628, now seen corresponding path program 1 times [2024-11-10 18:40:07,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:40:07,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803012982] [2024-11-10 18:40:07,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:40:07,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:40:07,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:40:07,541 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:40:07,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:40:07,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803012982] [2024-11-10 18:40:07,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803012982] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:40:07,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [12597540] [2024-11-10 18:40:07,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:40:07,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:40:07,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:40:07,543 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) [2024-11-10 18:40:07,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 18:40:07,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:40:07,570 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:40:07,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:40:07,600 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:40:07,600 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:40:07,654 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:40:07,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [12597540] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:40:07,654 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:40:07,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-10 18:40:07,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815866738] [2024-11-10 18:40:07,654 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:40:07,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 18:40:07,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:40:07,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 18:40:07,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:40:07,655 INFO L87 Difference]: Start difference. First operand 266 states and 308 transitions. Second operand has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 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) [2024-11-10 18:40:07,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:40:07,735 INFO L93 Difference]: Finished difference Result 588 states and 710 transitions. [2024-11-10 18:40:07,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 18:40:07,736 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 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 28 [2024-11-10 18:40:07,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:40:07,738 INFO L225 Difference]: With dead ends: 588 [2024-11-10 18:40:07,738 INFO L226 Difference]: Without dead ends: 586 [2024-11-10 18:40:07,738 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:40:07,738 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 89 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:40:07,739 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 64 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:40:07,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2024-11-10 18:40:07,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 438. [2024-11-10 18:40:07,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 434 states have (on average 1.1589861751152073) internal successors, (503), 437 states have internal predecessors, (503), 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) [2024-11-10 18:40:07,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 503 transitions. [2024-11-10 18:40:07,760 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 503 transitions. Word has length 28 [2024-11-10 18:40:07,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:40:07,760 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 503 transitions. [2024-11-10 18:40:07,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 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) [2024-11-10 18:40:07,760 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 503 transitions. [2024-11-10 18:40:07,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-10 18:40:07,761 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:40:07,761 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-10 18:40:07,774 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 18:40:07,965 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 [2024-11-10 18:40:07,966 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 18:40:07,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:40:07,966 INFO L85 PathProgramCache]: Analyzing trace with hash -1763980547, now seen corresponding path program 1 times [2024-11-10 18:40:07,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:40:07,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018864919] [2024-11-10 18:40:07,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:40:07,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:40:07,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:40:08,036 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 18:40:08,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:40:08,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018864919] [2024-11-10 18:40:08,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018864919] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:40:08,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1107399528] [2024-11-10 18:40:08,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:40:08,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:40:08,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:40:08,039 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) [2024-11-10 18:40:08,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 18:40:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:40:08,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 18:40:08,069 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:40:08,208 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 18:40:08,208 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:40:08,314 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 18:40:08,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1107399528] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:40:08,314 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:40:08,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 18 [2024-11-10 18:40:08,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968629706] [2024-11-10 18:40:08,314 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:40:08,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-10 18:40:08,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:40:08,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-10 18:40:08,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2024-11-10 18:40:08,315 INFO L87 Difference]: Start difference. First operand 438 states and 503 transitions. Second operand has 19 states, 18 states have (on average 5.944444444444445) internal successors, (107), 19 states have internal predecessors, (107), 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) [2024-11-10 18:40:08,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:40:08,790 INFO L93 Difference]: Finished difference Result 812 states and 948 transitions. [2024-11-10 18:40:08,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-10 18:40:08,790 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 5.944444444444445) internal successors, (107), 19 states have internal predecessors, (107), 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 [2024-11-10 18:40:08,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:40:08,792 INFO L225 Difference]: With dead ends: 812 [2024-11-10 18:40:08,792 INFO L226 Difference]: Without dead ends: 809 [2024-11-10 18:40:08,793 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 426 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=559, Invalid=1333, Unknown=0, NotChecked=0, Total=1892 [2024-11-10 18:40:08,793 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 98 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:40:08,793 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 59 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:40:08,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2024-11-10 18:40:08,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 490. [2024-11-10 18:40:08,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 486 states have (on average 1.146090534979424) internal successors, (557), 489 states have internal predecessors, (557), 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) [2024-11-10 18:40:08,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 557 transitions. [2024-11-10 18:40:08,812 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 557 transitions. Word has length 38 [2024-11-10 18:40:08,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:40:08,822 INFO L471 AbstractCegarLoop]: Abstraction has 490 states and 557 transitions. [2024-11-10 18:40:08,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 5.944444444444445) internal successors, (107), 19 states have internal predecessors, (107), 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) [2024-11-10 18:40:08,822 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 557 transitions. [2024-11-10 18:40:08,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-10 18:40:08,823 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:40:08,823 INFO L215 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-10 18:40:08,837 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-10 18:40:09,023 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 [2024-11-10 18:40:09,023 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 18:40:09,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:40:09,024 INFO L85 PathProgramCache]: Analyzing trace with hash 104451703, now seen corresponding path program 2 times [2024-11-10 18:40:09,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:40:09,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857863256] [2024-11-10 18:40:09,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:40:09,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:40:09,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:40:09,112 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:40:09,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:40:09,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857863256] [2024-11-10 18:40:09,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857863256] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:40:09,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311719624] [2024-11-10 18:40:09,113 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:40:09,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:40:09,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:40:09,114 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) [2024-11-10 18:40:09,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 18:40:09,145 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:40:09,146 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:40:09,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 18:40:09,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:40:09,284 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:40:09,284 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:40:09,386 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:40:09,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311719624] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:40:09,387 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:40:09,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 21 [2024-11-10 18:40:09,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522340683] [2024-11-10 18:40:09,387 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:40:09,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-10 18:40:09,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:40:09,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-10 18:40:09,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=332, Unknown=0, NotChecked=0, Total=462 [2024-11-10 18:40:09,388 INFO L87 Difference]: Start difference. First operand 490 states and 557 transitions. Second operand has 22 states, 21 states have (on average 6.380952380952381) internal successors, (134), 22 states have internal predecessors, (134), 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) [2024-11-10 18:40:10,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:40:10,243 INFO L93 Difference]: Finished difference Result 2346 states and 2668 transitions. [2024-11-10 18:40:10,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-11-10 18:40:10,244 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.380952380952381) internal successors, (134), 22 states have internal predecessors, (134), 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 46 [2024-11-10 18:40:10,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:40:10,249 INFO L225 Difference]: With dead ends: 2346 [2024-11-10 18:40:10,249 INFO L226 Difference]: Without dead ends: 2345 [2024-11-10 18:40:10,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2152 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=1548, Invalid=4002, Unknown=0, NotChecked=0, Total=5550 [2024-11-10 18:40:10,251 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 470 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 18:40:10,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [470 Valid, 113 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 18:40:10,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2345 states. [2024-11-10 18:40:10,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2345 to 1130. [2024-11-10 18:40:10,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1130 states, 1126 states have (on average 1.1500888099467141) internal successors, (1295), 1129 states have internal predecessors, (1295), 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) [2024-11-10 18:40:10,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 1130 states and 1295 transitions. [2024-11-10 18:40:10,306 INFO L78 Accepts]: Start accepts. Automaton has 1130 states and 1295 transitions. Word has length 46 [2024-11-10 18:40:10,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:40:10,307 INFO L471 AbstractCegarLoop]: Abstraction has 1130 states and 1295 transitions. [2024-11-10 18:40:10,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.380952380952381) internal successors, (134), 22 states have internal predecessors, (134), 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) [2024-11-10 18:40:10,307 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 1295 transitions. [2024-11-10 18:40:10,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-10 18:40:10,308 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:40:10,308 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1] [2024-11-10 18:40:10,328 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 18:40:10,508 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 [2024-11-10 18:40:10,509 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 18:40:10,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:40:10,510 INFO L85 PathProgramCache]: Analyzing trace with hash -635392257, now seen corresponding path program 2 times [2024-11-10 18:40:10,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:40:10,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504313586] [2024-11-10 18:40:10,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:40:10,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:40:10,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:40:10,619 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:40:10,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:40:10,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504313586] [2024-11-10 18:40:10,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504313586] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:40:10,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367858277] [2024-11-10 18:40:10,620 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:40:10,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:40:10,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:40:10,621 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) [2024-11-10 18:40:10,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 18:40:10,649 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:40:10,649 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:40:10,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 18:40:10,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:40:10,873 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:40:10,873 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:40:11,048 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:40:11,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367858277] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:40:11,049 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:40:11,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 31 [2024-11-10 18:40:11,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799443126] [2024-11-10 18:40:11,049 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:40:11,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-10 18:40:11,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:40:11,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-10 18:40:11,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=247, Invalid=745, Unknown=0, NotChecked=0, Total=992 [2024-11-10 18:40:11,050 INFO L87 Difference]: Start difference. First operand 1130 states and 1295 transitions. Second operand has 32 states, 31 states have (on average 4.903225806451613) internal successors, (152), 32 states have internal predecessors, (152), 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) [2024-11-10 18:40:12,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:40:12,125 INFO L93 Difference]: Finished difference Result 2098 states and 2361 transitions. [2024-11-10 18:40:12,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-10 18:40:12,126 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 4.903225806451613) internal successors, (152), 32 states have internal predecessors, (152), 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 52 [2024-11-10 18:40:12,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:40:12,133 INFO L225 Difference]: With dead ends: 2098 [2024-11-10 18:40:12,133 INFO L226 Difference]: Without dead ends: 2097 [2024-11-10 18:40:12,135 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1615 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1443, Invalid=2979, Unknown=0, NotChecked=0, Total=4422 [2024-11-10 18:40:12,136 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 837 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 1011 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 837 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 1171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 1011 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 18:40:12,136 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [837 Valid, 311 Invalid, 1171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 1011 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 18:40:12,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2097 states. [2024-11-10 18:40:12,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2097 to 1410. [2024-11-10 18:40:12,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1410 states, 1406 states have (on average 1.1429587482219061) internal successors, (1607), 1409 states have internal predecessors, (1607), 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) [2024-11-10 18:40:12,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1410 states to 1410 states and 1607 transitions. [2024-11-10 18:40:12,197 INFO L78 Accepts]: Start accepts. Automaton has 1410 states and 1607 transitions. Word has length 52 [2024-11-10 18:40:12,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:40:12,198 INFO L471 AbstractCegarLoop]: Abstraction has 1410 states and 1607 transitions. [2024-11-10 18:40:12,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 4.903225806451613) internal successors, (152), 32 states have internal predecessors, (152), 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) [2024-11-10 18:40:12,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1410 states and 1607 transitions. [2024-11-10 18:40:12,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-10 18:40:12,199 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:40:12,199 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1] [2024-11-10 18:40:12,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-10 18:40:12,400 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 [2024-11-10 18:40:12,400 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 18:40:12,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:40:12,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1813433718, now seen corresponding path program 1 times [2024-11-10 18:40:12,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:40:12,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022213820] [2024-11-10 18:40:12,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:40:12,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:40:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:40:12,439 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 54 proven. 4 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-10 18:40:12,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:40:12,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022213820] [2024-11-10 18:40:12,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022213820] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:40:12,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1366991705] [2024-11-10 18:40:12,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:40:12,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:40:12,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:40:12,441 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) [2024-11-10 18:40:12,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 18:40:12,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:40:12,471 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 18:40:12,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:40:12,587 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:40:12,588 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:40:12,785 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:40:12,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1366991705] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:40:12,786 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:40:12,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 11, 11] total 24 [2024-11-10 18:40:12,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847210586] [2024-11-10 18:40:12,786 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:40:12,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-10 18:40:12,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:40:12,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-10 18:40:12,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=447, Unknown=0, NotChecked=0, Total=600 [2024-11-10 18:40:12,787 INFO L87 Difference]: Start difference. First operand 1410 states and 1607 transitions. Second operand has 25 states, 24 states have (on average 5.666666666666667) internal successors, (136), 25 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) [2024-11-10 18:40:13,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:40:13,684 INFO L93 Difference]: Finished difference Result 3803 states and 4323 transitions. [2024-11-10 18:40:13,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-10 18:40:13,685 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 5.666666666666667) internal successors, (136), 25 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) Word has length 56 [2024-11-10 18:40:13,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:40:13,692 INFO L225 Difference]: With dead ends: 3803 [2024-11-10 18:40:13,692 INFO L226 Difference]: Without dead ends: 3480 [2024-11-10 18:40:13,694 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 105 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 855 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=883, Invalid=2777, Unknown=0, NotChecked=0, Total=3660 [2024-11-10 18:40:13,694 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 442 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 969 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 1049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 969 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 18:40:13,694 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 300 Invalid, 1049 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 969 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 18:40:13,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3480 states. [2024-11-10 18:40:13,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3480 to 711. [2024-11-10 18:40:13,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 711 states, 708 states have (on average 1.1271186440677967) internal successors, (798), 710 states have internal predecessors, (798), 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) [2024-11-10 18:40:13,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 798 transitions. [2024-11-10 18:40:13,745 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 798 transitions. Word has length 56 [2024-11-10 18:40:13,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:40:13,746 INFO L471 AbstractCegarLoop]: Abstraction has 711 states and 798 transitions. [2024-11-10 18:40:13,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 5.666666666666667) internal successors, (136), 25 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) [2024-11-10 18:40:13,746 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 798 transitions. [2024-11-10 18:40:13,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-10 18:40:13,747 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:40:13,747 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:40:13,760 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-10 18:40:13,947 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 [2024-11-10 18:40:13,948 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 18:40:13,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:40:13,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1598964588, now seen corresponding path program 2 times [2024-11-10 18:40:13,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:40:13,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867681053] [2024-11-10 18:40:13,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:40:13,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:40:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:40:14,028 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:40:14,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:40:14,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867681053] [2024-11-10 18:40:14,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867681053] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:40:14,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148242321] [2024-11-10 18:40:14,029 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:40:14,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:40:14,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:40:14,031 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) [2024-11-10 18:40:14,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 18:40:14,059 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:40:14,059 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:40:14,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 18:40:14,060 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:40:14,102 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:40:14,102 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:40:14,195 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:40:14,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1148242321] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:40:14,196 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:40:14,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2024-11-10 18:40:14,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052546919] [2024-11-10 18:40:14,196 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:40:14,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 18:40:14,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:40:14,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 18:40:14,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2024-11-10 18:40:14,197 INFO L87 Difference]: Start difference. First operand 711 states and 798 transitions. Second operand has 16 states, 15 states have (on average 7.866666666666666) internal successors, (118), 16 states have internal predecessors, (118), 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) [2024-11-10 18:40:14,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:40:14,423 INFO L93 Difference]: Finished difference Result 2691 states and 3151 transitions. [2024-11-10 18:40:14,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 18:40:14,423 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 7.866666666666666) internal successors, (118), 16 states have internal predecessors, (118), 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 60 [2024-11-10 18:40:14,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:40:14,428 INFO L225 Difference]: With dead ends: 2691 [2024-11-10 18:40:14,429 INFO L226 Difference]: Without dead ends: 2689 [2024-11-10 18:40:14,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2024-11-10 18:40:14,429 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 197 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:40:14,430 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 130 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:40:14,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2689 states. [2024-11-10 18:40:14,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2689 to 1923. [2024-11-10 18:40:14,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1923 states, 1920 states have (on average 1.1125) internal successors, (2136), 1922 states have internal predecessors, (2136), 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) [2024-11-10 18:40:14,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1923 states to 1923 states and 2136 transitions. [2024-11-10 18:40:14,546 INFO L78 Accepts]: Start accepts. Automaton has 1923 states and 2136 transitions. Word has length 60 [2024-11-10 18:40:14,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:40:14,547 INFO L471 AbstractCegarLoop]: Abstraction has 1923 states and 2136 transitions. [2024-11-10 18:40:14,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 7.866666666666666) internal successors, (118), 16 states have internal predecessors, (118), 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) [2024-11-10 18:40:14,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1923 states and 2136 transitions. [2024-11-10 18:40:14,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-10 18:40:14,548 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:40:14,548 INFO L215 NwaCegarLoop]: trace histogram [8, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1] [2024-11-10 18:40:14,562 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-10 18:40:14,749 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 [2024-11-10 18:40:14,749 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 18:40:14,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:40:14,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1834235709, now seen corresponding path program 3 times [2024-11-10 18:40:14,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:40:14,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711892851] [2024-11-10 18:40:14,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:40:14,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:40:14,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:40:14,925 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:40:14,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:40:14,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711892851] [2024-11-10 18:40:14,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711892851] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:40:14,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1841500462] [2024-11-10 18:40:14,926 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 18:40:14,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:40:14,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:40:14,927 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) [2024-11-10 18:40:14,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 18:40:14,958 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-10 18:40:14,958 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:40:14,958 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 18:40:14,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:40:15,171 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:40:15,171 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:40:15,336 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:40:15,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1841500462] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:40:15,336 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:40:15,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 11, 11] total 36 [2024-11-10 18:40:15,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001379111] [2024-11-10 18:40:15,337 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:40:15,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-10 18:40:15,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:40:15,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-10 18:40:15,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2024-11-10 18:40:15,338 INFO L87 Difference]: Start difference. First operand 1923 states and 2136 transitions. Second operand has 37 states, 36 states have (on average 5.888888888888889) internal successors, (212), 37 states have internal predecessors, (212), 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) [2024-11-10 18:40:19,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:40:19,707 INFO L93 Difference]: Finished difference Result 16372 states and 18224 transitions. [2024-11-10 18:40:19,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 210 states. [2024-11-10 18:40:19,708 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 36 states have (on average 5.888888888888889) internal successors, (212), 37 states have internal predecessors, (212), 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 72 [2024-11-10 18:40:19,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:40:19,745 INFO L225 Difference]: With dead ends: 16372 [2024-11-10 18:40:19,745 INFO L226 Difference]: Without dead ends: 16371 [2024-11-10 18:40:19,756 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 233 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26545 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=12203, Invalid=42787, Unknown=0, NotChecked=0, Total=54990 [2024-11-10 18:40:19,756 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 1362 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 1223 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1362 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 1431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 1223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 18:40:19,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1362 Valid, 182 Invalid, 1431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [208 Valid, 1223 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 18:40:19,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16371 states. [2024-11-10 18:40:20,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16371 to 6367. [2024-11-10 18:40:20,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6367 states, 6364 states have (on average 1.1192646134506599) internal successors, (7123), 6366 states have internal predecessors, (7123), 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) [2024-11-10 18:40:20,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6367 states to 6367 states and 7123 transitions. [2024-11-10 18:40:20,369 INFO L78 Accepts]: Start accepts. Automaton has 6367 states and 7123 transitions. Word has length 72 [2024-11-10 18:40:20,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:40:20,369 INFO L471 AbstractCegarLoop]: Abstraction has 6367 states and 7123 transitions. [2024-11-10 18:40:20,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 5.888888888888889) internal successors, (212), 37 states have internal predecessors, (212), 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) [2024-11-10 18:40:20,369 INFO L276 IsEmpty]: Start isEmpty. Operand 6367 states and 7123 transitions. [2024-11-10 18:40:20,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-10 18:40:20,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:40:20,371 INFO L215 NwaCegarLoop]: trace histogram [10, 7, 7, 7, 7, 7, 7, 7, 6, 6, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1] [2024-11-10 18:40:20,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-10 18:40:20,571 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 [2024-11-10 18:40:20,572 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 18:40:20,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:40:20,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1286504593, now seen corresponding path program 4 times [2024-11-10 18:40:20,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:40:20,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830541775] [2024-11-10 18:40:20,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:40:20,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:40:20,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:40:20,892 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 270 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:40:20,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:40:20,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830541775] [2024-11-10 18:40:20,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830541775] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:40:20,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309088712] [2024-11-10 18:40:20,893 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-10 18:40:20,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:40:20,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:40:20,894 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) [2024-11-10 18:40:20,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-10 18:40:20,929 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-10 18:40:20,930 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:40:20,930 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-10 18:40:20,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:40:21,316 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 270 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:40:21,316 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:40:21,726 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 270 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:40:21,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [309088712] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:40:21,726 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:40:21,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 17, 17] total 52 [2024-11-10 18:40:21,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059002625] [2024-11-10 18:40:21,727 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:40:21,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-11-10 18:40:21,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:40:21,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-11-10 18:40:21,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=549, Invalid=2207, Unknown=0, NotChecked=0, Total=2756 [2024-11-10 18:40:21,729 INFO L87 Difference]: Start difference. First operand 6367 states and 7123 transitions. Second operand has 53 states, 52 states have (on average 5.461538461538462) internal successors, (284), 53 states have internal predecessors, (284), 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) [2024-11-10 18:40:38,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:40:38,294 INFO L93 Difference]: Finished difference Result 11033 states and 12231 transitions. [2024-11-10 18:40:38,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 435 states. [2024-11-10 18:40:38,294 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 52 states have (on average 5.461538461538462) internal successors, (284), 53 states have internal predecessors, (284), 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 96 [2024-11-10 18:40:38,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:40:38,312 INFO L225 Difference]: With dead ends: 11033 [2024-11-10 18:40:38,313 INFO L226 Difference]: Without dead ends: 11032 [2024-11-10 18:40:38,327 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 628 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 468 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114717 ImplicationChecksByTransitivity, 12.7s TimeCoverageRelationStatistics Valid=50968, Invalid=169462, Unknown=0, NotChecked=0, Total=220430 [2024-11-10 18:40:38,328 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 3631 mSDsluCounter, 891 mSDsCounter, 0 mSdLazyCounter, 3768 mSolverCounterSat, 865 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3631 SdHoareTripleChecker+Valid, 914 SdHoareTripleChecker+Invalid, 4633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 865 IncrementalHoareTripleChecker+Valid, 3768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:40:38,328 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3631 Valid, 914 Invalid, 4633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [865 Valid, 3768 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-10 18:40:38,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11032 states. [2024-11-10 18:40:39,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11032 to 7507. [2024-11-10 18:40:39,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7507 states, 7504 states have (on average 1.117537313432836) internal successors, (8386), 7506 states have internal predecessors, (8386), 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) [2024-11-10 18:40:39,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7507 states to 7507 states and 8386 transitions. [2024-11-10 18:40:39,198 INFO L78 Accepts]: Start accepts. Automaton has 7507 states and 8386 transitions. Word has length 96 [2024-11-10 18:40:39,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:40:39,199 INFO L471 AbstractCegarLoop]: Abstraction has 7507 states and 8386 transitions. [2024-11-10 18:40:39,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 52 states have (on average 5.461538461538462) internal successors, (284), 53 states have internal predecessors, (284), 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) [2024-11-10 18:40:39,199 INFO L276 IsEmpty]: Start isEmpty. Operand 7507 states and 8386 transitions. [2024-11-10 18:40:39,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-10 18:40:39,202 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:40:39,202 INFO L215 NwaCegarLoop]: trace histogram [11, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1] [2024-11-10 18:40:39,215 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-10 18:40:39,402 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 [2024-11-10 18:40:39,402 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 18:40:39,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:40:39,403 INFO L85 PathProgramCache]: Analyzing trace with hash 739390595, now seen corresponding path program 5 times [2024-11-10 18:40:39,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:40:39,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103276914] [2024-11-10 18:40:39,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:40:39,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:40:39,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:40:39,687 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 0 proven. 281 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:40:39,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:40:39,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103276914] [2024-11-10 18:40:39,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103276914] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:40:39,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [30354308] [2024-11-10 18:40:39,689 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-10 18:40:39,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:40:39,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:40:39,692 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) [2024-11-10 18:40:39,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-10 18:40:39,748 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2024-11-10 18:40:39,749 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:40:39,750 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-10 18:40:39,751 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:40:40,156 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 136 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:40:40,156 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:40:41,009 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 132 proven. 149 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:40:41,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [30354308] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:40:41,009 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:40:41,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 17, 17] total 52 [2024-11-10 18:40:41,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275826563] [2024-11-10 18:40:41,010 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:40:41,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-11-10 18:40:41,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:40:41,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-11-10 18:40:41,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=384, Invalid=2372, Unknown=0, NotChecked=0, Total=2756 [2024-11-10 18:40:41,012 INFO L87 Difference]: Start difference. First operand 7507 states and 8386 transitions. Second operand has 53 states, 52 states have (on average 5.576923076923077) internal successors, (290), 53 states have internal predecessors, (290), 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) [2024-11-10 18:40:52,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:40:52,531 INFO L93 Difference]: Finished difference Result 21349 states and 23863 transitions. [2024-11-10 18:40:52,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 339 states. [2024-11-10 18:40:52,531 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 52 states have (on average 5.576923076923077) internal successors, (290), 53 states have internal predecessors, (290), 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 98 [2024-11-10 18:40:52,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:40:52,569 INFO L225 Difference]: With dead ends: 21349 [2024-11-10 18:40:52,569 INFO L226 Difference]: Without dead ends: 21346 [2024-11-10 18:40:52,579 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 546 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 381 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66278 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=27779, Invalid=118527, Unknown=0, NotChecked=0, Total=146306 [2024-11-10 18:40:52,579 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 2713 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 2271 mSolverCounterSat, 662 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2713 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 2933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 662 IncrementalHoareTripleChecker+Valid, 2271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-10 18:40:52,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2713 Valid, 351 Invalid, 2933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [662 Valid, 2271 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-10 18:40:52,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21346 states. [2024-11-10 18:40:54,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21346 to 13300. [2024-11-10 18:40:54,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13300 states, 13297 states have (on average 1.1189742047078288) internal successors, (14879), 13299 states have internal predecessors, (14879), 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) [2024-11-10 18:40:54,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13300 states to 13300 states and 14879 transitions. [2024-11-10 18:40:54,340 INFO L78 Accepts]: Start accepts. Automaton has 13300 states and 14879 transitions. Word has length 98 [2024-11-10 18:40:54,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:40:54,340 INFO L471 AbstractCegarLoop]: Abstraction has 13300 states and 14879 transitions. [2024-11-10 18:40:54,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 52 states have (on average 5.576923076923077) internal successors, (290), 53 states have internal predecessors, (290), 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) [2024-11-10 18:40:54,340 INFO L276 IsEmpty]: Start isEmpty. Operand 13300 states and 14879 transitions. [2024-11-10 18:40:54,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-10 18:40:54,343 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:40:54,344 INFO L215 NwaCegarLoop]: trace histogram [12, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1] [2024-11-10 18:40:54,356 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-10 18:40:54,544 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 [2024-11-10 18:40:54,544 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 18:40:54,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:40:54,545 INFO L85 PathProgramCache]: Analyzing trace with hash -973321131, now seen corresponding path program 6 times [2024-11-10 18:40:54,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:40:54,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633123950] [2024-11-10 18:40:54,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:40:54,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:40:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:40:54,888 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 0 proven. 334 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:40:54,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:40:54,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633123950] [2024-11-10 18:40:54,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633123950] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:40:54,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [832051131] [2024-11-10 18:40:54,888 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-10 18:40:54,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:40:54,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:40:54,889 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) [2024-11-10 18:40:54,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-10 18:40:54,926 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2024-11-10 18:40:54,926 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:40:54,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-10 18:40:54,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:40:55,351 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 0 proven. 334 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:40:55,352 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:40:55,690 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 0 proven. 334 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:40:55,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [832051131] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:40:55,690 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:40:55,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 17, 17] total 56 [2024-11-10 18:40:55,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954611369] [2024-11-10 18:40:55,690 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:40:55,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-11-10 18:40:55,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:40:55,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-11-10 18:40:55,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=663, Invalid=2529, Unknown=0, NotChecked=0, Total=3192 [2024-11-10 18:40:55,692 INFO L87 Difference]: Start difference. First operand 13300 states and 14879 transitions. Second operand has 57 states, 56 states have (on average 5.714285714285714) internal successors, (320), 57 states have internal predecessors, (320), 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) [2024-11-10 18:41:16,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:41:16,686 INFO L93 Difference]: Finished difference Result 30445 states and 33702 transitions. [2024-11-10 18:41:16,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 646 states. [2024-11-10 18:41:16,687 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 56 states have (on average 5.714285714285714) internal successors, (320), 57 states have internal predecessors, (320), 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 108 [2024-11-10 18:41:16,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:41:16,719 INFO L225 Difference]: With dead ends: 30445 [2024-11-10 18:41:16,719 INFO L226 Difference]: Without dead ends: 30444 [2024-11-10 18:41:16,736 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 867 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 683 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260012 ImplicationChecksByTransitivity, 15.5s TimeCoverageRelationStatistics Valid=95923, Invalid=372617, Unknown=0, NotChecked=0, Total=468540 [2024-11-10 18:41:16,737 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 4610 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 2556 mSolverCounterSat, 900 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4610 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 3456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 900 IncrementalHoareTripleChecker+Valid, 2556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-10 18:41:16,737 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4610 Valid, 484 Invalid, 3456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [900 Valid, 2556 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-10 18:41:16,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30444 states. [2024-11-10 18:41:18,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30444 to 11824. [2024-11-10 18:41:18,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11824 states, 11821 states have (on average 1.1184332966754083) internal successors, (13221), 11823 states have internal predecessors, (13221), 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) [2024-11-10 18:41:18,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11824 states to 11824 states and 13221 transitions. [2024-11-10 18:41:18,509 INFO L78 Accepts]: Start accepts. Automaton has 11824 states and 13221 transitions. Word has length 108 [2024-11-10 18:41:18,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:41:18,510 INFO L471 AbstractCegarLoop]: Abstraction has 11824 states and 13221 transitions. [2024-11-10 18:41:18,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 56 states have (on average 5.714285714285714) internal successors, (320), 57 states have internal predecessors, (320), 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) [2024-11-10 18:41:18,510 INFO L276 IsEmpty]: Start isEmpty. Operand 11824 states and 13221 transitions. [2024-11-10 18:41:18,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-10 18:41:18,514 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:41:18,514 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:41:18,526 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-10 18:41:18,714 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 [2024-11-10 18:41:18,714 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 18:41:18,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:41:18,715 INFO L85 PathProgramCache]: Analyzing trace with hash 2092775524, now seen corresponding path program 3 times [2024-11-10 18:41:18,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:41:18,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004992217] [2024-11-10 18:41:18,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:41:18,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:41:18,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:41:18,876 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 0 proven. 784 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:41:18,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:41:18,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004992217] [2024-11-10 18:41:18,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004992217] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:41:18,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434543581] [2024-11-10 18:41:18,877 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 18:41:18,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:41:18,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:41:18,878 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) [2024-11-10 18:41:18,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-10 18:41:18,916 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-11-10 18:41:18,916 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:41:18,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-10 18:41:18,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:41:18,999 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 0 proven. 784 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:41:18,999 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:41:19,247 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 0 proven. 784 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:41:19,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1434543581] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:41:19,247 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:41:19,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 31 [2024-11-10 18:41:19,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405946864] [2024-11-10 18:41:19,247 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:41:19,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-10 18:41:19,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:41:19,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-10 18:41:19,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2024-11-10 18:41:19,248 INFO L87 Difference]: Start difference. First operand 11824 states and 13221 transitions. Second operand has 32 states, 31 states have (on average 7.935483870967742) internal successors, (246), 32 states have internal predecessors, (246), 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) [2024-11-10 18:41:25,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:41:25,476 INFO L93 Difference]: Finished difference Result 63335 states and 72100 transitions. [2024-11-10 18:41:25,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-10 18:41:25,477 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 7.935483870967742) internal successors, (246), 32 states have internal predecessors, (246), 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 124 [2024-11-10 18:41:25,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:41:25,543 INFO L225 Difference]: With dead ends: 63335 [2024-11-10 18:41:25,543 INFO L226 Difference]: Without dead ends: 63333 [2024-11-10 18:41:25,553 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2024-11-10 18:41:25,554 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 609 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:41:25,554 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [609 Valid, 259 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:41:25,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63333 states. [2024-11-10 18:41:29,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63333 to 34206. [2024-11-10 18:41:29,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34206 states, 34203 states have (on average 1.1175627868900389) internal successors, (38224), 34205 states have internal predecessors, (38224), 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) [2024-11-10 18:41:29,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34206 states to 34206 states and 38224 transitions. [2024-11-10 18:41:29,956 INFO L78 Accepts]: Start accepts. Automaton has 34206 states and 38224 transitions. Word has length 124 [2024-11-10 18:41:29,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:41:29,957 INFO L471 AbstractCegarLoop]: Abstraction has 34206 states and 38224 transitions. [2024-11-10 18:41:29,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 7.935483870967742) internal successors, (246), 32 states have internal predecessors, (246), 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) [2024-11-10 18:41:29,957 INFO L276 IsEmpty]: Start isEmpty. Operand 34206 states and 38224 transitions. [2024-11-10 18:41:29,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-10 18:41:29,962 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:41:29,962 INFO L215 NwaCegarLoop]: trace histogram [15, 9, 9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 5, 5, 1, 1, 1, 1] [2024-11-10 18:41:29,974 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-10 18:41:30,162 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 [2024-11-10 18:41:30,163 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 18:41:30,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:41:30,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1133544603, now seen corresponding path program 7 times [2024-11-10 18:41:30,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:41:30,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258179079] [2024-11-10 18:41:30,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:41:30,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:41:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:41:30,604 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 0 proven. 541 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:41:30,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:41:30,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258179079] [2024-11-10 18:41:30,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258179079] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:41:30,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1486319954] [2024-11-10 18:41:30,604 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-10 18:41:30,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:41:30,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:41:30,606 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) [2024-11-10 18:41:30,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-10 18:41:30,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:41:30,643 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-10 18:41:30,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:41:31,275 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 0 proven. 541 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:41:31,275 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:41:31,947 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 0 proven. 541 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:41:31,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1486319954] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:41:31,949 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:41:31,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 88 [2024-11-10 18:41:31,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563840596] [2024-11-10 18:41:31,950 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:41:31,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2024-11-10 18:41:31,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:41:31,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2024-11-10 18:41:31,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1454, Invalid=6378, Unknown=0, NotChecked=0, Total=7832 [2024-11-10 18:41:31,952 INFO L87 Difference]: Start difference. First operand 34206 states and 38224 transitions. Second operand has 89 states, 88 states have (on average 4.5227272727272725) internal successors, (398), 89 states have internal predecessors, (398), 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)