./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.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/McCarthy91_Iteration.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 7a5d554c80523420ffafe318e54a94b7662019572fad78d6e8fce2ccc83674b0 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:36:02,034 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:36:02,103 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-10 18:36:02,107 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:36:02,108 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:36:02,130 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:36:02,131 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:36:02,132 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:36:02,132 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:36:02,133 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:36:02,133 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:36:02,133 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:36:02,134 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:36:02,134 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:36:02,135 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:36:02,135 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:36:02,136 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 18:36:02,137 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:36:02,137 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:36:02,139 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 18:36:02,140 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:36:02,140 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 18:36:02,141 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:36:02,141 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 18:36:02,141 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:36:02,141 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 18:36:02,142 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:36:02,142 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:36:02,142 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:36:02,142 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:36:02,143 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:36:02,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:36:02,143 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:36:02,143 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:36:02,144 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 18:36:02,144 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:36:02,144 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:36:02,148 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:36:02,148 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:36:02,148 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:36:02,148 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:36:02,149 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a5d554c80523420ffafe318e54a94b7662019572fad78d6e8fce2ccc83674b0 [2024-11-10 18:36:02,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:36:02,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:36:02,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:36:02,477 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:36:02,478 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:36:02,479 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c [2024-11-10 18:36:04,023 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:36:04,222 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:36:04,223 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c [2024-11-10 18:36:04,231 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/876d9367e/33b339dff001466497a6a30f8fca20b0/FLAGf5680e433 [2024-11-10 18:36:04,244 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/876d9367e/33b339dff001466497a6a30f8fca20b0 [2024-11-10 18:36:04,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:36:04,247 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:36:04,249 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:36:04,249 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:36:04,254 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:36:04,255 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:36:04" (1/1) ... [2024-11-10 18:36:04,256 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49cc8f46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:36:04, skipping insertion in model container [2024-11-10 18:36:04,256 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:36:04" (1/1) ... [2024-11-10 18:36:04,271 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:36:04,435 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:36:04,441 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:36:04,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:36:04,468 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:36:04,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:36:04 WrapperNode [2024-11-10 18:36:04,469 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:36:04,470 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:36:04,474 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:36:04,474 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:36:04,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:36:04" (1/1) ... [2024-11-10 18:36:04,490 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:36:04" (1/1) ... [2024-11-10 18:36:04,511 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2024-11-10 18:36:04,512 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:36:04,513 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:36:04,513 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:36:04,514 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:36:04,523 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:36:04" (1/1) ... [2024-11-10 18:36:04,524 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:36:04" (1/1) ... [2024-11-10 18:36:04,524 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:36:04" (1/1) ... [2024-11-10 18:36:04,531 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-10 18:36:04,535 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:36:04" (1/1) ... [2024-11-10 18:36:04,535 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:36:04" (1/1) ... [2024-11-10 18:36:04,537 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:36:04" (1/1) ... [2024-11-10 18:36:04,537 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:36:04" (1/1) ... [2024-11-10 18:36:04,538 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:36:04" (1/1) ... [2024-11-10 18:36:04,539 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:36:04" (1/1) ... [2024-11-10 18:36:04,540 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:36:04,542 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:36:04,542 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:36:04,542 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:36:04,543 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:36:04" (1/1) ... [2024-11-10 18:36:04,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:36:04,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:36:04,578 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 18:36:04,582 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 18:36:04,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:36:04,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:36:04,698 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:36:04,700 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:36:04,787 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-10 18:36:04,787 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:36:04,800 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:36:04,800 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:36:04,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:36:04 BoogieIcfgContainer [2024-11-10 18:36:04,801 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:36:04,803 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:36:04,803 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:36:04,819 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:36:04,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:36:04" (1/3) ... [2024-11-10 18:36:04,823 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61c907b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:36:04, skipping insertion in model container [2024-11-10 18:36:04,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:36:04" (2/3) ... [2024-11-10 18:36:04,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61c907b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:36:04, skipping insertion in model container [2024-11-10 18:36:04,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:36:04" (3/3) ... [2024-11-10 18:36:04,825 INFO L112 eAbstractionObserver]: Analyzing ICFG McCarthy91_Iteration.c [2024-11-10 18:36:04,843 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:36:04,847 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-10 18:36:04,930 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:36:04,939 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;@18dd276d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:36:04,940 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-10 18:36:04,947 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 20 states have (on average 1.55) internal successors, (31), 28 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 18:36:04,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-10 18:36:04,953 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:36:04,953 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-10 18:36:04,954 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 18:36:04,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:36:04,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1773990388, now seen corresponding path program 1 times [2024-11-10 18:36:04,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:36:04,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647848143] [2024-11-10 18:36:04,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:36:04,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:36:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:36:05,117 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 18:36:05,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:36:05,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647848143] [2024-11-10 18:36:05,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647848143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:36:05,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:36:05,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:36:05,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435367429] [2024-11-10 18:36:05,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:36:05,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:36:05,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:36:05,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:36:05,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:36:05,175 INFO L87 Difference]: Start difference. First operand has 29 states, 20 states have (on average 1.55) internal successors, (31), 28 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) 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 18:36:05,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:36:05,214 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2024-11-10 18:36:05,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:36:05,216 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 18:36:05,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:36:05,222 INFO L225 Difference]: With dead ends: 33 [2024-11-10 18:36:05,223 INFO L226 Difference]: Without dead ends: 24 [2024-11-10 18:36:05,225 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 18:36:05,232 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 2 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:36:05,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 41 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:36:05,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-11-10 18:36:05,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2024-11-10 18:36:05,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 23 states have internal predecessors, (25), 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 18:36:05,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2024-11-10 18:36:05,270 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 6 [2024-11-10 18:36:05,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:36:05,271 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2024-11-10 18:36:05,271 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 18:36:05,271 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2024-11-10 18:36:05,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-10 18:36:05,272 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:36:05,272 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-10 18:36:05,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 18:36:05,272 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 18:36:05,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:36:05,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1773990429, now seen corresponding path program 1 times [2024-11-10 18:36:05,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:36:05,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624406344] [2024-11-10 18:36:05,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:36:05,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:36:05,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:36:05,332 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 18:36:05,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:36:05,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624406344] [2024-11-10 18:36:05,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624406344] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:36:05,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:36:05,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:36:05,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748228114] [2024-11-10 18:36:05,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:36:05,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:36:05,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:36:05,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:36:05,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:36:05,337 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. 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 18:36:05,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:36:05,378 INFO L93 Difference]: Finished difference Result 36 states and 39 transitions. [2024-11-10 18:36:05,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:36:05,379 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 18:36:05,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:36:05,379 INFO L225 Difference]: With dead ends: 36 [2024-11-10 18:36:05,380 INFO L226 Difference]: Without dead ends: 35 [2024-11-10 18:36:05,381 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 18:36:05,383 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 10 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:36:05,383 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 28 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:36:05,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-11-10 18:36:05,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2024-11-10 18:36:05,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 32 states have internal predecessors, (38), 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 18:36:05,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2024-11-10 18:36:05,389 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 6 [2024-11-10 18:36:05,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:36:05,389 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 38 transitions. [2024-11-10 18:36:05,389 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 18:36:05,389 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2024-11-10 18:36:05,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-10 18:36:05,390 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:36:05,390 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:36:05,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 18:36:05,390 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 18:36:05,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:36:05,391 INFO L85 PathProgramCache]: Analyzing trace with hash -840872841, now seen corresponding path program 1 times [2024-11-10 18:36:05,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:36:05,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420892830] [2024-11-10 18:36:05,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:36:05,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:36:05,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:36:05,444 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 18:36:05,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:36:05,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420892830] [2024-11-10 18:36:05,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420892830] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:36:05,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:36:05,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:36:05,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842924192] [2024-11-10 18:36:05,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:36:05,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:36:05,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:36:05,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:36:05,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:36:05,450 INFO L87 Difference]: Start difference. First operand 33 states and 38 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 18:36:05,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:36:05,486 INFO L93 Difference]: Finished difference Result 48 states and 55 transitions. [2024-11-10 18:36:05,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:36:05,487 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 18:36:05,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:36:05,488 INFO L225 Difference]: With dead ends: 48 [2024-11-10 18:36:05,488 INFO L226 Difference]: Without dead ends: 47 [2024-11-10 18:36:05,488 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 18:36:05,490 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 9 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:36:05,490 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 28 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:36:05,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-10 18:36:05,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2024-11-10 18:36:05,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 44 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 18:36:05,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 54 transitions. [2024-11-10 18:36:05,496 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 54 transitions. Word has length 7 [2024-11-10 18:36:05,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:36:05,497 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 54 transitions. [2024-11-10 18:36:05,497 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 18:36:05,497 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2024-11-10 18:36:05,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-10 18:36:05,498 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:36:05,498 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:36:05,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 18:36:05,498 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 18:36:05,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:36:05,499 INFO L85 PathProgramCache]: Analyzing trace with hash -840871560, now seen corresponding path program 1 times [2024-11-10 18:36:05,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:36:05,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859902183] [2024-11-10 18:36:05,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:36:05,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:36:05,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:36:05,534 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 18:36:05,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:36:05,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859902183] [2024-11-10 18:36:05,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859902183] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:36:05,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:36:05,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:36:05,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041407440] [2024-11-10 18:36:05,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:36:05,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:36:05,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:36:05,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:36:05,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:36:05,537 INFO L87 Difference]: Start difference. First operand 45 states and 54 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 18:36:05,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:36:05,563 INFO L93 Difference]: Finished difference Result 45 states and 54 transitions. [2024-11-10 18:36:05,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:36:05,565 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 18:36:05,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:36:05,566 INFO L225 Difference]: With dead ends: 45 [2024-11-10 18:36:05,566 INFO L226 Difference]: Without dead ends: 44 [2024-11-10 18:36:05,566 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 18:36:05,568 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 1 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:36:05,568 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 33 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:36:05,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-10 18:36:05,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-11-10 18:36:05,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 38 states have (on average 1.368421052631579) internal successors, (52), 43 states have internal predecessors, (52), 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 18:36:05,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 52 transitions. [2024-11-10 18:36:05,580 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 52 transitions. Word has length 7 [2024-11-10 18:36:05,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:36:05,580 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 52 transitions. [2024-11-10 18:36:05,580 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 18:36:05,581 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2024-11-10 18:36:05,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-10 18:36:05,581 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:36:05,581 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:36:05,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 18:36:05,582 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 18:36:05,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:36:05,583 INFO L85 PathProgramCache]: Analyzing trace with hash -624949259, now seen corresponding path program 1 times [2024-11-10 18:36:05,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:36:05,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737432138] [2024-11-10 18:36:05,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:36:05,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:36:05,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:36:05,618 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 18:36:05,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:36:05,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737432138] [2024-11-10 18:36:05,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737432138] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:36:05,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:36:05,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:36:05,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556178355] [2024-11-10 18:36:05,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:36:05,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:36:05,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:36:05,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:36:05,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:36:05,622 INFO L87 Difference]: Start difference. First operand 44 states and 52 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:36:05,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:36:05,642 INFO L93 Difference]: Finished difference Result 46 states and 54 transitions. [2024-11-10 18:36:05,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:36:05,643 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-10 18:36:05,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:36:05,644 INFO L225 Difference]: With dead ends: 46 [2024-11-10 18:36:05,644 INFO L226 Difference]: Without dead ends: 44 [2024-11-10 18:36:05,645 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 18:36:05,646 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 10 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:36:05,646 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 15 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:36:05,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-10 18:36:05,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 42. [2024-11-10 18:36:05,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 38 states have (on average 1.263157894736842) internal successors, (48), 41 states have internal predecessors, (48), 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 18:36:05,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 48 transitions. [2024-11-10 18:36:05,652 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 48 transitions. Word has length 9 [2024-11-10 18:36:05,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:36:05,653 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 48 transitions. [2024-11-10 18:36:05,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:36:05,653 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2024-11-10 18:36:05,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-10 18:36:05,654 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:36:05,654 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:36:05,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 18:36:05,654 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 18:36:05,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:36:05,655 INFO L85 PathProgramCache]: Analyzing trace with hash 2101409425, now seen corresponding path program 1 times [2024-11-10 18:36:05,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:36:05,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820659595] [2024-11-10 18:36:05,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:36:05,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:36:05,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:36:05,713 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 18:36:05,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:36:05,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820659595] [2024-11-10 18:36:05,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820659595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:36:05,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:36:05,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:36:05,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445989955] [2024-11-10 18:36:05,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:36:05,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:36:05,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:36:05,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:36:05,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:36:05,716 INFO L87 Difference]: Start difference. First operand 42 states and 48 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:36:05,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:36:05,742 INFO L93 Difference]: Finished difference Result 57 states and 63 transitions. [2024-11-10 18:36:05,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:36:05,743 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-10 18:36:05,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:36:05,744 INFO L225 Difference]: With dead ends: 57 [2024-11-10 18:36:05,744 INFO L226 Difference]: Without dead ends: 55 [2024-11-10 18:36:05,744 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 18:36:05,745 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 8 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:36:05,745 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 27 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:36:05,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-10 18:36:05,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 52. [2024-11-10 18:36:05,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 48 states have (on average 1.2083333333333333) internal successors, (58), 51 states have internal predecessors, (58), 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 18:36:05,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 58 transitions. [2024-11-10 18:36:05,759 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 58 transitions. Word has length 10 [2024-11-10 18:36:05,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:36:05,760 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 58 transitions. [2024-11-10 18:36:05,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:36:05,760 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 58 transitions. [2024-11-10 18:36:05,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-10 18:36:05,765 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:36:05,765 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:36:05,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 18:36:05,765 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 18:36:05,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:36:05,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1999006576, now seen corresponding path program 1 times [2024-11-10 18:36:05,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:36:05,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705615018] [2024-11-10 18:36:05,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:36:05,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:36:05,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:36:05,842 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:36:05,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:36:05,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705615018] [2024-11-10 18:36:05,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705615018] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:36:05,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:36:05,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:36:05,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150849260] [2024-11-10 18:36:05,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:36:05,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:36:05,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:36:05,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:36:05,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:36:05,847 INFO L87 Difference]: Start difference. First operand 52 states and 58 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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 18:36:05,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:36:05,902 INFO L93 Difference]: Finished difference Result 80 states and 87 transitions. [2024-11-10 18:36:05,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:36:05,902 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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 18:36:05,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:36:05,903 INFO L225 Difference]: With dead ends: 80 [2024-11-10 18:36:05,903 INFO L226 Difference]: Without dead ends: 39 [2024-11-10 18:36:05,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 18:36:05,905 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 6 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 40 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 18:36:05,906 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 40 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:36:05,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-11-10 18:36:05,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 38. [2024-11-10 18:36:05,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 37 states have internal predecessors, (41), 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 18:36:05,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 41 transitions. [2024-11-10 18:36:05,910 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 41 transitions. Word has length 15 [2024-11-10 18:36:05,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:36:05,911 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 41 transitions. [2024-11-10 18:36:05,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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 18:36:05,911 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2024-11-10 18:36:05,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-10 18:36:05,912 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:36:05,912 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:36:05,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 18:36:05,912 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 18:36:05,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:36:05,913 INFO L85 PathProgramCache]: Analyzing trace with hash -245439997, now seen corresponding path program 1 times [2024-11-10 18:36:05,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:36:05,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315895951] [2024-11-10 18:36:05,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:36:05,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:36:05,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:36:05,979 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:36:05,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:36:05,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315895951] [2024-11-10 18:36:05,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315895951] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:36:05,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:36:05,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:36:05,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283008834] [2024-11-10 18:36:05,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:36:05,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:36:05,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:36:05,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:36:05,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:36:05,982 INFO L87 Difference]: Start difference. First operand 38 states and 41 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 18:36:06,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:36:06,018 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2024-11-10 18:36:06,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:36:06,019 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 16 [2024-11-10 18:36:06,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:36:06,019 INFO L225 Difference]: With dead ends: 38 [2024-11-10 18:36:06,019 INFO L226 Difference]: Without dead ends: 37 [2024-11-10 18:36:06,020 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 18:36:06,020 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 6 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:36:06,021 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 31 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:36:06,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-10 18:36:06,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-11-10 18:36:06,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 34 states have (on average 1.1764705882352942) internal successors, (40), 36 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:36:06,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 40 transitions. [2024-11-10 18:36:06,026 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 40 transitions. Word has length 16 [2024-11-10 18:36:06,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:36:06,026 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 40 transitions. [2024-11-10 18:36:06,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 18:36:06,026 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2024-11-10 18:36:06,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-10 18:36:06,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:36:06,027 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:36:06,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 18:36:06,028 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 18:36:06,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:36:06,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1868634747, now seen corresponding path program 1 times [2024-11-10 18:36:06,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:36:06,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392315065] [2024-11-10 18:36:06,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:36:06,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:36:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:36:06,101 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:36:06,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:36:06,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392315065] [2024-11-10 18:36:06,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392315065] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:36:06,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [314331959] [2024-11-10 18:36:06,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:36:06,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:36:06,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:36:06,105 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 18:36:06,106 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 18:36:06,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:36:06,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:36:06,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:36:06,222 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:36:06,223 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:36:06,286 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:36:06,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [314331959] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:36:06,287 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:36:06,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-10 18:36:06,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339488800] [2024-11-10 18:36:06,287 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:36:06,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:36:06,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:36:06,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:36:06,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:36:06,294 INFO L87 Difference]: Start difference. First operand 37 states and 40 transitions. Second operand has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:36:06,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:36:06,355 INFO L93 Difference]: Finished difference Result 103 states and 118 transitions. [2024-11-10 18:36:06,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:36:06,358 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-10 18:36:06,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:36:06,360 INFO L225 Difference]: With dead ends: 103 [2024-11-10 18:36:06,360 INFO L226 Difference]: Without dead ends: 101 [2024-11-10 18:36:06,361 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:36:06,362 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 30 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:36:06,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 49 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:36:06,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-10 18:36:06,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 68. [2024-11-10 18:36:06,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 66 states have (on average 1.1515151515151516) internal successors, (76), 67 states have internal predecessors, (76), 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 18:36:06,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 76 transitions. [2024-11-10 18:36:06,378 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 76 transitions. Word has length 19 [2024-11-10 18:36:06,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:36:06,378 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 76 transitions. [2024-11-10 18:36:06,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:36:06,381 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2024-11-10 18:36:06,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-10 18:36:06,381 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:36:06,382 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:36:06,399 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 18:36:06,582 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 18:36:06,583 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 18:36:06,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:36:06,584 INFO L85 PathProgramCache]: Analyzing trace with hash -916529636, now seen corresponding path program 1 times [2024-11-10 18:36:06,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:36:06,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124558398] [2024-11-10 18:36:06,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:36:06,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:36:06,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:36:06,646 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-10 18:36:06,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:36:06,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124558398] [2024-11-10 18:36:06,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124558398] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:36:06,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:36:06,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:36:06,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614873869] [2024-11-10 18:36:06,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:36:06,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:36:06,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:36:06,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:36:06,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:36:06,649 INFO L87 Difference]: Start difference. First operand 68 states and 76 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:36:06,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:36:06,696 INFO L93 Difference]: Finished difference Result 88 states and 98 transitions. [2024-11-10 18:36:06,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:36:06,697 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2024-11-10 18:36:06,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:36:06,698 INFO L225 Difference]: With dead ends: 88 [2024-11-10 18:36:06,698 INFO L226 Difference]: Without dead ends: 48 [2024-11-10 18:36:06,698 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 18:36:06,699 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 12 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:36:06,699 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 36 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:36:06,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-10 18:36:06,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 47. [2024-11-10 18:36:06,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.0869565217391304) internal successors, (50), 46 states have internal predecessors, (50), 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 18:36:06,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 50 transitions. [2024-11-10 18:36:06,705 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 50 transitions. Word has length 24 [2024-11-10 18:36:06,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:36:06,705 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 50 transitions. [2024-11-10 18:36:06,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:36:06,705 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2024-11-10 18:36:06,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-10 18:36:06,706 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:36:06,706 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1] [2024-11-10 18:36:06,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 18:36:06,706 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 18:36:06,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:36:06,707 INFO L85 PathProgramCache]: Analyzing trace with hash 357760826, now seen corresponding path program 1 times [2024-11-10 18:36:06,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:36:06,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454099175] [2024-11-10 18:36:06,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:36:06,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:36:06,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:36:06,811 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:36:06,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:36:06,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454099175] [2024-11-10 18:36:06,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454099175] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:36:06,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1683556227] [2024-11-10 18:36:06,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:36:06,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:36:06,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:36:06,815 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 18:36:06,817 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 18:36:06,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:36:06,847 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:36:06,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:36:06,891 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:36:06,891 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:36:06,982 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:36:06,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1683556227] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:36:06,986 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:36:06,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-10 18:36:06,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183089486] [2024-11-10 18:36:06,987 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:36:06,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 18:36:06,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:36:06,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 18:36:06,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:36:06,989 INFO L87 Difference]: Start difference. First operand 47 states and 50 transitions. Second operand has 8 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 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 18:36:07,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:36:07,088 INFO L93 Difference]: Finished difference Result 168 states and 186 transitions. [2024-11-10 18:36:07,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 18:36:07,088 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 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 18:36:07,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:36:07,089 INFO L225 Difference]: With dead ends: 168 [2024-11-10 18:36:07,089 INFO L226 Difference]: Without dead ends: 83 [2024-11-10 18:36:07,090 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:36:07,090 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 44 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:36:07,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 82 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:36:07,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-10 18:36:07,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-10 18:36:07,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 82 states have (on average 1.048780487804878) internal successors, (86), 82 states have internal predecessors, (86), 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 18:36:07,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 86 transitions. [2024-11-10 18:36:07,102 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 86 transitions. Word has length 28 [2024-11-10 18:36:07,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:36:07,102 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 86 transitions. [2024-11-10 18:36:07,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 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 18:36:07,103 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 86 transitions. [2024-11-10 18:36:07,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-10 18:36:07,108 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:36:07,108 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 1, 1, 1] [2024-11-10 18:36:07,131 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 18:36:07,308 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,SelfDestructingSolverStorable10 [2024-11-10 18:36:07,309 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 18:36:07,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:36:07,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1176716346, now seen corresponding path program 2 times [2024-11-10 18:36:07,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:36:07,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157333433] [2024-11-10 18:36:07,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:36:07,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:36:07,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:36:07,496 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:36:07,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:36:07,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157333433] [2024-11-10 18:36:07,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157333433] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:36:07,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [12782039] [2024-11-10 18:36:07,496 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:36:07,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:36:07,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:36:07,499 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 18:36:07,501 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 18:36:07,550 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:36:07,551 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:36:07,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 18:36:07,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:36:07,663 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:36:07,664 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:36:07,856 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:36:07,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [12782039] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:36:07,856 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:36:07,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2024-11-10 18:36:07,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360462786] [2024-11-10 18:36:07,857 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:36:07,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 18:36:07,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:36:07,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 18:36:07,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2024-11-10 18:36:07,860 INFO L87 Difference]: Start difference. First operand 83 states and 86 transitions. Second operand has 16 states, 15 states have (on average 8.466666666666667) internal successors, (127), 16 states have internal predecessors, (127), 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 18:36:08,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:36:08,052 INFO L93 Difference]: Finished difference Result 384 states and 426 transitions. [2024-11-10 18:36:08,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 18:36:08,052 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 8.466666666666667) internal successors, (127), 16 states have internal predecessors, (127), 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 64 [2024-11-10 18:36:08,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:36:08,054 INFO L225 Difference]: With dead ends: 384 [2024-11-10 18:36:08,054 INFO L226 Difference]: Without dead ends: 155 [2024-11-10 18:36:08,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2024-11-10 18:36:08,056 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 128 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:36:08,056 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 213 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:36:08,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-10 18:36:08,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2024-11-10 18:36:08,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 1.025974025974026) internal successors, (158), 154 states have internal predecessors, (158), 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 18:36:08,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 158 transitions. [2024-11-10 18:36:08,067 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 158 transitions. Word has length 64 [2024-11-10 18:36:08,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:36:08,068 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 158 transitions. [2024-11-10 18:36:08,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 8.466666666666667) internal successors, (127), 16 states have internal predecessors, (127), 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 18:36:08,068 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 158 transitions. [2024-11-10 18:36:08,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-10 18:36:08,070 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:36:08,070 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 14, 14, 1, 1, 1] [2024-11-10 18:36:08,088 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 18:36:08,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:36:08,272 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 18:36:08,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:36:08,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1593291206, now seen corresponding path program 3 times [2024-11-10 18:36:08,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:36:08,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145625900] [2024-11-10 18:36:08,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:36:08,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:36:08,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:36:08,654 INFO L134 CoverageAnalysis]: Checked inductivity of 931 backedges. 0 proven. 931 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:36:08,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:36:08,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145625900] [2024-11-10 18:36:08,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145625900] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:36:08,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1049194656] [2024-11-10 18:36:08,655 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 18:36:08,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:36:08,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:36:08,657 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 18:36:08,658 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 18:36:08,732 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-11-10 18:36:08,732 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:36:08,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 18:36:08,737 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:36:08,948 INFO L134 CoverageAnalysis]: Checked inductivity of 931 backedges. 0 proven. 931 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:36:08,949 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:36:09,453 INFO L134 CoverageAnalysis]: Checked inductivity of 931 backedges. 0 proven. 931 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:36:09,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1049194656] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:36:09,454 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:36:09,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 31 [2024-11-10 18:36:09,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119920236] [2024-11-10 18:36:09,455 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:36:09,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-10 18:36:09,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:36:09,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-10 18:36:09,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2024-11-10 18:36:09,457 INFO L87 Difference]: Start difference. First operand 155 states and 158 transitions. Second operand has 32 states, 31 states have (on average 8.741935483870968) internal successors, (271), 32 states have internal predecessors, (271), 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 18:36:09,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:36:09,817 INFO L93 Difference]: Finished difference Result 816 states and 906 transitions. [2024-11-10 18:36:09,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-10 18:36:09,818 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 8.741935483870968) internal successors, (271), 32 states have internal predecessors, (271), 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 136 [2024-11-10 18:36:09,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:36:09,819 INFO L225 Difference]: With dead ends: 816 [2024-11-10 18:36:09,820 INFO L226 Difference]: Without dead ends: 299 [2024-11-10 18:36:09,821 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2024-11-10 18:36:09,822 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 416 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 18:36:09,822 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [416 Valid, 394 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 18:36:09,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-11-10 18:36:09,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2024-11-10 18:36:09,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 298 states have (on average 1.0134228187919463) internal successors, (302), 298 states have internal predecessors, (302), 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 18:36:09,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 302 transitions. [2024-11-10 18:36:09,835 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 302 transitions. Word has length 136 [2024-11-10 18:36:09,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:36:09,836 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 302 transitions. [2024-11-10 18:36:09,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 8.741935483870968) internal successors, (271), 32 states have internal predecessors, (271), 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 18:36:09,837 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 302 transitions. [2024-11-10 18:36:09,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-11-10 18:36:09,840 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:36:09,840 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 31, 31, 31, 31, 30, 30, 1, 1, 1] [2024-11-10 18:36:09,861 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 18:36:10,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:36:10,041 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 18:36:10,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:36:10,042 INFO L85 PathProgramCache]: Analyzing trace with hash 249848378, now seen corresponding path program 4 times [2024-11-10 18:36:10,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:36:10,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19317820] [2024-11-10 18:36:10,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:36:10,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:36:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:36:11,378 INFO L134 CoverageAnalysis]: Checked inductivity of 4155 backedges. 0 proven. 4155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:36:11,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:36:11,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19317820] [2024-11-10 18:36:11,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19317820] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:36:11,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [409685494] [2024-11-10 18:36:11,378 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-10 18:36:11,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:36:11,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:36:11,380 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 18:36:11,382 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 18:36:11,465 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-10 18:36:11,466 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:36:11,467 INFO L255 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-10 18:36:11,473 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:36:11,835 INFO L134 CoverageAnalysis]: Checked inductivity of 4155 backedges. 0 proven. 4155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:36:11,836 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:36:13,343 INFO L134 CoverageAnalysis]: Checked inductivity of 4155 backedges. 0 proven. 4155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:36:13,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [409685494] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:36:13,344 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:36:13,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 63 [2024-11-10 18:36:13,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008918628] [2024-11-10 18:36:13,345 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:36:13,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-11-10 18:36:13,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:36:13,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-11-10 18:36:13,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2024-11-10 18:36:13,352 INFO L87 Difference]: Start difference. First operand 299 states and 302 transitions. Second operand has 64 states, 63 states have (on average 8.873015873015873) internal successors, (559), 64 states have internal predecessors, (559), 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 18:36:14,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:36:14,279 INFO L93 Difference]: Finished difference Result 1680 states and 1866 transitions. [2024-11-10 18:36:14,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-11-10 18:36:14,279 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 63 states have (on average 8.873015873015873) internal successors, (559), 64 states have internal predecessors, (559), 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 280 [2024-11-10 18:36:14,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:36:14,282 INFO L225 Difference]: With dead ends: 1680 [2024-11-10 18:36:14,282 INFO L226 Difference]: Without dead ends: 587 [2024-11-10 18:36:14,285 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 590 GetRequests, 528 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2024-11-10 18:36:14,285 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 710 mSDsluCounter, 776 mSDsCounter, 0 mSdLazyCounter, 688 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 710 SdHoareTripleChecker+Valid, 908 SdHoareTripleChecker+Invalid, 811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 18:36:14,286 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [710 Valid, 908 Invalid, 811 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 688 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 18:36:14,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2024-11-10 18:36:14,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 587. [2024-11-10 18:36:14,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 586 states have (on average 1.006825938566553) internal successors, (590), 586 states have internal predecessors, (590), 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 18:36:14,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 590 transitions. [2024-11-10 18:36:14,307 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 590 transitions. Word has length 280 [2024-11-10 18:36:14,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:36:14,308 INFO L471 AbstractCegarLoop]: Abstraction has 587 states and 590 transitions. [2024-11-10 18:36:14,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 63 states have (on average 8.873015873015873) internal successors, (559), 64 states have internal predecessors, (559), 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 18:36:14,309 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 590 transitions. [2024-11-10 18:36:14,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 569 [2024-11-10 18:36:14,325 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:36:14,326 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 63, 63, 63, 63, 62, 62, 1, 1, 1] [2024-11-10 18:36:14,345 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 18:36:14,526 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,SelfDestructingSolverStorable13 [2024-11-10 18:36:14,527 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 18:36:14,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:36:14,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1659144762, now seen corresponding path program 5 times [2024-11-10 18:36:14,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:36:14,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804750749] [2024-11-10 18:36:14,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:36:14,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:36:14,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:36:18,707 INFO L134 CoverageAnalysis]: Checked inductivity of 17515 backedges. 0 proven. 17515 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:36:18,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:36:18,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804750749] [2024-11-10 18:36:18,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804750749] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:36:18,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1052728096] [2024-11-10 18:36:18,708 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-10 18:36:18,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:36:18,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:36:18,710 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 18:36:18,712 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 18:36:18,899 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 63 check-sat command(s) [2024-11-10 18:36:18,899 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:36:18,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-11-10 18:36:18,910 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:36:19,566 INFO L134 CoverageAnalysis]: Checked inductivity of 17515 backedges. 0 proven. 17515 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:36:19,567 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:36:24,297 INFO L134 CoverageAnalysis]: Checked inductivity of 17515 backedges. 0 proven. 17515 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:36:24,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1052728096] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:36:24,298 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:36:24,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 64, 64] total 127 [2024-11-10 18:36:24,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723705818] [2024-11-10 18:36:24,298 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:36:24,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 128 states [2024-11-10 18:36:24,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:36:24,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2024-11-10 18:36:24,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8128, Invalid=8128, Unknown=0, NotChecked=0, Total=16256 [2024-11-10 18:36:24,309 INFO L87 Difference]: Start difference. First operand 587 states and 590 transitions. Second operand has 128 states, 127 states have (on average 8.937007874015748) internal successors, (1135), 128 states have internal predecessors, (1135), 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 18:36:27,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:36:27,290 INFO L93 Difference]: Finished difference Result 3408 states and 3786 transitions. [2024-11-10 18:36:27,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2024-11-10 18:36:27,291 INFO L78 Accepts]: Start accepts. Automaton has has 128 states, 127 states have (on average 8.937007874015748) internal successors, (1135), 128 states have internal predecessors, (1135), 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 568 [2024-11-10 18:36:27,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:36:27,295 INFO L225 Difference]: With dead ends: 3408 [2024-11-10 18:36:27,295 INFO L226 Difference]: Without dead ends: 1163 [2024-11-10 18:36:27,300 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1198 GetRequests, 1072 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=8128, Invalid=8128, Unknown=0, NotChecked=0, Total=16256 [2024-11-10 18:36:27,301 INFO L432 NwaCegarLoop]: 260 mSDtfsCounter, 1850 mSDsluCounter, 1790 mSDsCounter, 0 mSdLazyCounter, 1565 mSolverCounterSat, 309 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1850 SdHoareTripleChecker+Valid, 2050 SdHoareTripleChecker+Invalid, 1874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 309 IncrementalHoareTripleChecker+Valid, 1565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:36:27,301 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1850 Valid, 2050 Invalid, 1874 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [309 Valid, 1565 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-10 18:36:27,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1163 states. [2024-11-10 18:36:27,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1163 to 1163. [2024-11-10 18:36:27,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1163 states, 1162 states have (on average 1.0034423407917383) internal successors, (1166), 1162 states have internal predecessors, (1166), 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 18:36:27,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 1163 states and 1166 transitions. [2024-11-10 18:36:27,330 INFO L78 Accepts]: Start accepts. Automaton has 1163 states and 1166 transitions. Word has length 568 [2024-11-10 18:36:27,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:36:27,331 INFO L471 AbstractCegarLoop]: Abstraction has 1163 states and 1166 transitions. [2024-11-10 18:36:27,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 128 states, 127 states have (on average 8.937007874015748) internal successors, (1135), 128 states have internal predecessors, (1135), 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 18:36:27,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1166 transitions. [2024-11-10 18:36:27,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1145 [2024-11-10 18:36:27,364 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:36:27,364 INFO L215 NwaCegarLoop]: trace histogram [127, 127, 127, 127, 127, 127, 127, 126, 126, 1, 1, 1] [2024-11-10 18:36:27,379 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-10 18:36:27,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-10 18:36:27,565 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 18:36:27,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:36:27,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1408968134, now seen corresponding path program 6 times [2024-11-10 18:36:27,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:36:27,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920332742] [2024-11-10 18:36:27,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:36:27,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:36:27,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:36:39,752 INFO L134 CoverageAnalysis]: Checked inductivity of 71883 backedges. 0 proven. 71883 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:36:39,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:36:39,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920332742] [2024-11-10 18:36:39,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920332742] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:36:39,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1325840734] [2024-11-10 18:36:39,753 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-10 18:36:39,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:36:39,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:36:39,755 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 18:36:39,756 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 18:36:40,105 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 127 check-sat command(s) [2024-11-10 18:36:40,105 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:36:40,110 INFO L255 TraceCheckSpWp]: Trace formula consists of 1402 conjuncts, 128 conjuncts are in the unsatisfiable core [2024-11-10 18:36:40,122 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:36:41,174 INFO L134 CoverageAnalysis]: Checked inductivity of 71883 backedges. 0 proven. 71883 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:36:41,174 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:36:57,685 INFO L134 CoverageAnalysis]: Checked inductivity of 71883 backedges. 0 proven. 71883 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:36:57,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1325840734] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:36:57,685 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:36:57,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [128, 128, 128] total 255 [2024-11-10 18:36:57,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368132413] [2024-11-10 18:36:57,686 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:36:57,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 256 states [2024-11-10 18:36:57,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:36:57,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 256 interpolants. [2024-11-10 18:36:57,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32640, Invalid=32640, Unknown=0, NotChecked=0, Total=65280 [2024-11-10 18:36:57,712 INFO L87 Difference]: Start difference. First operand 1163 states and 1166 transitions. Second operand has 256 states, 255 states have (on average 8.968627450980392) internal successors, (2287), 256 states have internal predecessors, (2287), 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 18:37:14,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:37:14,761 INFO L93 Difference]: Finished difference Result 6864 states and 7626 transitions. [2024-11-10 18:37:14,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 256 states. [2024-11-10 18:37:14,763 INFO L78 Accepts]: Start accepts. Automaton has has 256 states, 255 states have (on average 8.968627450980392) internal successors, (2287), 256 states have internal predecessors, (2287), 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 1144 [2024-11-10 18:37:14,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:37:14,771 INFO L225 Difference]: With dead ends: 6864 [2024-11-10 18:37:14,771 INFO L226 Difference]: Without dead ends: 2315 [2024-11-10 18:37:14,779 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2414 GetRequests, 2160 SyntacticMatches, 0 SemanticMatches, 254 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.7s TimeCoverageRelationStatistics Valid=32640, Invalid=32640, Unknown=0, NotChecked=0, Total=65280 [2024-11-10 18:37:14,780 INFO L432 NwaCegarLoop]: 516 mSDtfsCounter, 3632 mSDsluCounter, 4154 mSDsCounter, 0 mSdLazyCounter, 3562 mSolverCounterSat, 611 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3632 SdHoareTripleChecker+Valid, 4670 SdHoareTripleChecker+Invalid, 4173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 611 IncrementalHoareTripleChecker+Valid, 3562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:37:14,780 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3632 Valid, 4670 Invalid, 4173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [611 Valid, 3562 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-10 18:37:14,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2315 states. [2024-11-10 18:37:14,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2315 to 2315. [2024-11-10 18:37:14,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2315 states, 2314 states have (on average 1.0017286084701815) internal successors, (2318), 2314 states have internal predecessors, (2318), 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 18:37:14,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2315 states to 2315 states and 2318 transitions. [2024-11-10 18:37:14,826 INFO L78 Accepts]: Start accepts. Automaton has 2315 states and 2318 transitions. Word has length 1144 [2024-11-10 18:37:14,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:37:14,827 INFO L471 AbstractCegarLoop]: Abstraction has 2315 states and 2318 transitions. [2024-11-10 18:37:14,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 256 states, 255 states have (on average 8.968627450980392) internal successors, (2287), 256 states have internal predecessors, (2287), 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 18:37:14,829 INFO L276 IsEmpty]: Start isEmpty. Operand 2315 states and 2318 transitions. [2024-11-10 18:37:14,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2297 [2024-11-10 18:37:14,853 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:37:14,854 INFO L215 NwaCegarLoop]: trace histogram [255, 255, 255, 255, 255, 255, 255, 254, 254, 1, 1, 1] [2024-11-10 18:37:14,867 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-10 18:37:15,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:37:15,054 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 18:37:15,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:37:15,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1027245510, now seen corresponding path program 7 times [2024-11-10 18:37:15,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:37:15,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115532308] [2024-11-10 18:37:15,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:37:15,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:37:15,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat