./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-nla/egcd-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d 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-nla/egcd-both-t.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e7efe18bdab4f1a3c265c6e5c60639885ed9cc4b50c9311d2c96f86da4a31387 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 04:03:21,921 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 04:03:21,990 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 04:03:21,996 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 04:03:21,997 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 04:03:22,020 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 04:03:22,022 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 04:03:22,023 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 04:03:22,023 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 04:03:22,024 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 04:03:22,025 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 04:03:22,025 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 04:03:22,026 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 04:03:22,026 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 04:03:22,027 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 04:03:22,027 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 04:03:22,027 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 04:03:22,028 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 04:03:22,028 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 04:03:22,028 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 04:03:22,029 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 04:03:22,029 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 04:03:22,029 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 04:03:22,030 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 04:03:22,030 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 04:03:22,030 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 04:03:22,030 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 04:03:22,031 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 04:03:22,031 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 04:03:22,031 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 04:03:22,031 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 04:03:22,031 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 04:03:22,032 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 04:03:22,032 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 04:03:22,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:03:22,033 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 04:03:22,033 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 04:03:22,033 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 04:03:22,034 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 04:03:22,034 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 04:03:22,034 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 04:03:22,035 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 04:03:22,035 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 04:03:22,035 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 04:03:22,035 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7efe18bdab4f1a3c265c6e5c60639885ed9cc4b50c9311d2c96f86da4a31387 [2024-11-17 04:03:22,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 04:03:22,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 04:03:22,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 04:03:22,339 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 04:03:22,339 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 04:03:22,341 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-nla/egcd-both-t.c [2024-11-17 04:03:23,722 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 04:03:23,899 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 04:03:23,899 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-nla/egcd-both-t.c [2024-11-17 04:03:23,906 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b70684ceb/47231e36a2774682b80ff889df63effc/FLAGb51de7f54 [2024-11-17 04:03:24,296 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b70684ceb/47231e36a2774682b80ff889df63effc [2024-11-17 04:03:24,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 04:03:24,299 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 04:03:24,300 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 04:03:24,300 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 04:03:24,304 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 04:03:24,305 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:03:24" (1/1) ... [2024-11-17 04:03:24,306 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78593033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:03:24, skipping insertion in model container [2024-11-17 04:03:24,306 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:03:24" (1/1) ... [2024-11-17 04:03:24,325 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 04:03:24,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:03:24,540 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 04:03:24,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:03:24,575 INFO L204 MainTranslator]: Completed translation [2024-11-17 04:03:24,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:03:24 WrapperNode [2024-11-17 04:03:24,575 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 04:03:24,576 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 04:03:24,576 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 04:03:24,576 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 04:03:24,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:03:24" (1/1) ... [2024-11-17 04:03:24,586 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:03:24" (1/1) ... [2024-11-17 04:03:24,599 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 61 [2024-11-17 04:03:24,600 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 04:03:24,600 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 04:03:24,600 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 04:03:24,601 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 04:03:24,610 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:03:24" (1/1) ... [2024-11-17 04:03:24,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:03:24" (1/1) ... [2024-11-17 04:03:24,611 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:03:24" (1/1) ... [2024-11-17 04:03:24,617 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-17 04:03:24,618 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:03:24" (1/1) ... [2024-11-17 04:03:24,618 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:03:24" (1/1) ... [2024-11-17 04:03:24,625 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:03:24" (1/1) ... [2024-11-17 04:03:24,625 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:03:24" (1/1) ... [2024-11-17 04:03:24,626 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:03:24" (1/1) ... [2024-11-17 04:03:24,627 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:03:24" (1/1) ... [2024-11-17 04:03:24,628 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 04:03:24,629 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 04:03:24,629 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 04:03:24,629 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 04:03:24,631 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:03:24" (1/1) ... [2024-11-17 04:03:24,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:03:24,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:03:24,665 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) [2024-11-17 04:03:24,669 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 [2024-11-17 04:03:24,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 04:03:24,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 04:03:24,773 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 04:03:24,775 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 04:03:25,018 INFO L? ?]: Removed 66 outVars from TransFormulas that were not future-live. [2024-11-17 04:03:25,019 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 04:03:25,037 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 04:03:25,037 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 04:03:25,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:03:25 BoogieIcfgContainer [2024-11-17 04:03:25,038 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 04:03:25,040 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 04:03:25,040 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 04:03:25,044 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 04:03:25,044 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 04:03:24" (1/3) ... [2024-11-17 04:03:25,045 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45890862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:03:25, skipping insertion in model container [2024-11-17 04:03:25,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:03:24" (2/3) ... [2024-11-17 04:03:25,045 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45890862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:03:25, skipping insertion in model container [2024-11-17 04:03:25,047 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:03:25" (3/3) ... [2024-11-17 04:03:25,048 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd-both-t.c [2024-11-17 04:03:25,066 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 04:03:25,067 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2024-11-17 04:03:25,126 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 04:03:25,134 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;@425437c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 04:03:25,134 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-11-17 04:03:25,138 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 39 states have (on average 1.7179487179487178) internal successors, (67), 63 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:25,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-17 04:03:25,143 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:25,144 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-17 04:03:25,144 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:25,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:25,149 INFO L85 PathProgramCache]: Analyzing trace with hash 91580446, now seen corresponding path program 1 times [2024-11-17 04:03:25,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:25,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018551016] [2024-11-17 04:03:25,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:25,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:25,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:03:25,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [7990317] [2024-11-17 04:03:25,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:25,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:25,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:03:25,235 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) [2024-11-17 04:03:25,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 04:03:25,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:25,286 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 04:03:25,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:03:25,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:25,339 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:03:25,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:25,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018551016] [2024-11-17 04:03:25,340 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:03:25,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [7990317] [2024-11-17 04:03:25,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [7990317] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:03:25,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:03:25,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:03:25,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504367160] [2024-11-17 04:03:25,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:03:25,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:03:25,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:25,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:03:25,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:03:25,371 INFO L87 Difference]: Start difference. First operand has 64 states, 39 states have (on average 1.7179487179487178) internal successors, (67), 63 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:25,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:03:25,499 INFO L93 Difference]: Finished difference Result 119 states and 130 transitions. [2024-11-17 04:03:25,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:03:25,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-17 04:03:25,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:03:25,511 INFO L225 Difference]: With dead ends: 119 [2024-11-17 04:03:25,511 INFO L226 Difference]: Without dead ends: 109 [2024-11-17 04:03:25,513 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:03:25,516 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 48 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:03:25,516 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 91 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:03:25,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-17 04:03:25,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 84. [2024-11-17 04:03:25,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 60 states have (on average 1.7) internal successors, (102), 83 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:25,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 102 transitions. [2024-11-17 04:03:25,547 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 102 transitions. Word has length 5 [2024-11-17 04:03:25,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:03:25,547 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 102 transitions. [2024-11-17 04:03:25,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:25,547 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 102 transitions. [2024-11-17 04:03:25,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-17 04:03:25,548 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:25,548 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:03:25,565 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-17 04:03:25,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-17 04:03:25,753 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:25,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:25,754 INFO L85 PathProgramCache]: Analyzing trace with hash 2109463548, now seen corresponding path program 1 times [2024-11-17 04:03:25,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:25,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485939546] [2024-11-17 04:03:25,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:25,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:25,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:03:25,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [872280456] [2024-11-17 04:03:25,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:25,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:25,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:03:25,771 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) [2024-11-17 04:03:25,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 04:03:25,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:25,803 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:03:25,804 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:03:25,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:25,847 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:03:25,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:25,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485939546] [2024-11-17 04:03:25,847 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:03:25,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [872280456] [2024-11-17 04:03:25,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [872280456] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:03:25,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:03:25,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:03:25,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733806149] [2024-11-17 04:03:25,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:03:25,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:03:25,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:25,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:03:25,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:03:25,850 INFO L87 Difference]: Start difference. First operand 84 states and 102 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) [2024-11-17 04:03:25,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:03:25,948 INFO L93 Difference]: Finished difference Result 99 states and 112 transitions. [2024-11-17 04:03:25,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:03:25,948 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 [2024-11-17 04:03:25,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:03:25,949 INFO L225 Difference]: With dead ends: 99 [2024-11-17 04:03:25,950 INFO L226 Difference]: Without dead ends: 98 [2024-11-17 04:03:25,950 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:03:25,951 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 35 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:03:25,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 67 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:03:25,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-17 04:03:25,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 84. [2024-11-17 04:03:25,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 60 states have (on average 1.6833333333333333) internal successors, (101), 83 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:25,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 101 transitions. [2024-11-17 04:03:25,962 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 101 transitions. Word has length 7 [2024-11-17 04:03:25,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:03:25,962 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 101 transitions. [2024-11-17 04:03:25,963 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) [2024-11-17 04:03:25,963 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2024-11-17 04:03:25,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-17 04:03:25,963 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:25,963 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:03:25,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-17 04:03:26,164 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,SelfDestructingSolverStorable1 [2024-11-17 04:03:26,164 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:26,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:26,165 INFO L85 PathProgramCache]: Analyzing trace with hash 968860571, now seen corresponding path program 1 times [2024-11-17 04:03:26,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:26,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308496344] [2024-11-17 04:03:26,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:26,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:03:26,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1585289614] [2024-11-17 04:03:26,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:26,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:26,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:03:26,178 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) [2024-11-17 04:03:26,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 04:03:26,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:26,209 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:03:26,210 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:03:26,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:26,265 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:03:26,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:26,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308496344] [2024-11-17 04:03:26,266 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:03:26,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1585289614] [2024-11-17 04:03:26,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1585289614] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:03:26,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:03:26,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:03:26,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421686884] [2024-11-17 04:03:26,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:03:26,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:03:26,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:26,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:03:26,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:03:26,268 INFO L87 Difference]: Start difference. First operand 84 states and 101 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:26,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:03:26,462 INFO L93 Difference]: Finished difference Result 99 states and 111 transitions. [2024-11-17 04:03:26,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:03:26,463 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-17 04:03:26,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:03:26,464 INFO L225 Difference]: With dead ends: 99 [2024-11-17 04:03:26,464 INFO L226 Difference]: Without dead ends: 98 [2024-11-17 04:03:26,464 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:03:26,466 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 89 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:03:26,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 66 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:03:26,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-17 04:03:26,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 84. [2024-11-17 04:03:26,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 60 states have (on average 1.6666666666666667) internal successors, (100), 83 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:26,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 100 transitions. [2024-11-17 04:03:26,481 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 100 transitions. Word has length 8 [2024-11-17 04:03:26,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:03:26,481 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 100 transitions. [2024-11-17 04:03:26,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:26,481 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 100 transitions. [2024-11-17 04:03:26,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-17 04:03:26,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:26,482 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:03:26,502 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-17 04:03:26,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:26,690 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:26,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:26,691 INFO L85 PathProgramCache]: Analyzing trace with hash -30093350, now seen corresponding path program 1 times [2024-11-17 04:03:26,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:26,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222487228] [2024-11-17 04:03:26,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:26,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:26,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:03:26,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1992727359] [2024-11-17 04:03:26,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:26,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:26,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:03:26,709 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) [2024-11-17 04:03:26,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 04:03:26,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:26,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:03:26,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:03:26,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:26,782 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:03:26,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:26,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222487228] [2024-11-17 04:03:26,782 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:03:26,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1992727359] [2024-11-17 04:03:26,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1992727359] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:03:26,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:03:26,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:03:26,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831642495] [2024-11-17 04:03:26,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:03:26,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:03:26,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:26,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:03:26,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:03:26,784 INFO L87 Difference]: Start difference. First operand 84 states and 100 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:27,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:03:27,088 INFO L93 Difference]: Finished difference Result 108 states and 115 transitions. [2024-11-17 04:03:27,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:03:27,089 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-17 04:03:27,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:03:27,089 INFO L225 Difference]: With dead ends: 108 [2024-11-17 04:03:27,090 INFO L226 Difference]: Without dead ends: 107 [2024-11-17 04:03:27,090 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:03:27,091 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 45 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:03:27,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 83 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:03:27,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-17 04:03:27,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 84. [2024-11-17 04:03:27,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 60 states have (on average 1.65) internal successors, (99), 83 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:27,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 99 transitions. [2024-11-17 04:03:27,105 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 99 transitions. Word has length 9 [2024-11-17 04:03:27,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:03:27,108 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 99 transitions. [2024-11-17 04:03:27,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:27,109 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 99 transitions. [2024-11-17 04:03:27,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-17 04:03:27,109 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:27,109 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:03:27,126 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-17 04:03:27,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:27,310 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:27,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:27,311 INFO L85 PathProgramCache]: Analyzing trace with hash -932893831, now seen corresponding path program 1 times [2024-11-17 04:03:27,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:27,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73068997] [2024-11-17 04:03:27,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:27,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:27,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:03:27,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [73869299] [2024-11-17 04:03:27,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:27,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:27,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:03:27,342 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) [2024-11-17 04:03:27,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 04:03:27,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:27,373 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:03:27,374 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:03:27,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:27,495 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:03:27,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:27,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73068997] [2024-11-17 04:03:27,495 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:03:27,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [73869299] [2024-11-17 04:03:27,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [73869299] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:03:27,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:03:27,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:03:27,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850457285] [2024-11-17 04:03:27,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:03:27,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:03:27,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:27,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:03:27,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:03:27,498 INFO L87 Difference]: Start difference. First operand 84 states and 99 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 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) [2024-11-17 04:03:27,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:03:27,748 INFO L93 Difference]: Finished difference Result 113 states and 119 transitions. [2024-11-17 04:03:27,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:03:27,748 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 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 [2024-11-17 04:03:27,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:03:27,750 INFO L225 Difference]: With dead ends: 113 [2024-11-17 04:03:27,750 INFO L226 Difference]: Without dead ends: 112 [2024-11-17 04:03:27,751 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:03:27,752 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 75 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:03:27,753 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 70 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:03:27,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-17 04:03:27,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 84. [2024-11-17 04:03:27,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 60 states have (on average 1.6333333333333333) internal successors, (98), 83 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:27,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 98 transitions. [2024-11-17 04:03:27,768 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 98 transitions. Word has length 10 [2024-11-17 04:03:27,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:03:27,768 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 98 transitions. [2024-11-17 04:03:27,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 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) [2024-11-17 04:03:27,769 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 98 transitions. [2024-11-17 04:03:27,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-17 04:03:27,769 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:27,769 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:03:27,783 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-17 04:03:27,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:27,970 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:27,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:27,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1145062328, now seen corresponding path program 1 times [2024-11-17 04:03:27,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:27,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302690668] [2024-11-17 04:03:27,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:27,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:27,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:03:27,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1493412608] [2024-11-17 04:03:27,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:27,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:27,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:03:27,986 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) [2024-11-17 04:03:27,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 04:03:28,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:28,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 04:03:28,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:03:28,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:28,043 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:03:28,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:28,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302690668] [2024-11-17 04:03:28,044 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:03:28,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1493412608] [2024-11-17 04:03:28,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1493412608] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:03:28,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:03:28,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:03:28,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14534563] [2024-11-17 04:03:28,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:03:28,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:03:28,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:28,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:03:28,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:03:28,046 INFO L87 Difference]: Start difference. First operand 84 states and 98 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:28,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:03:28,088 INFO L93 Difference]: Finished difference Result 151 states and 183 transitions. [2024-11-17 04:03:28,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:03:28,088 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-17 04:03:28,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:03:28,090 INFO L225 Difference]: With dead ends: 151 [2024-11-17 04:03:28,090 INFO L226 Difference]: Without dead ends: 149 [2024-11-17 04:03:28,091 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:03:28,092 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 37 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:03:28,092 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 84 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:03:28,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-17 04:03:28,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 123. [2024-11-17 04:03:28,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 99 states have (on average 1.606060606060606) internal successors, (159), 122 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:28,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 159 transitions. [2024-11-17 04:03:28,101 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 159 transitions. Word has length 11 [2024-11-17 04:03:28,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:03:28,101 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 159 transitions. [2024-11-17 04:03:28,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:28,102 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 159 transitions. [2024-11-17 04:03:28,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-17 04:03:28,102 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:28,102 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:03:28,118 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-17 04:03:28,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:28,307 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:28,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:28,307 INFO L85 PathProgramCache]: Analyzing trace with hash 893269910, now seen corresponding path program 1 times [2024-11-17 04:03:28,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:28,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357065597] [2024-11-17 04:03:28,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:28,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:28,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:03:28,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2057727940] [2024-11-17 04:03:28,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:28,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:28,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:03:28,325 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) [2024-11-17 04:03:28,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 04:03:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:28,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:03:28,352 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:03:28,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:28,428 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:03:28,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:28,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357065597] [2024-11-17 04:03:28,429 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:03:28,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2057727940] [2024-11-17 04:03:28,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2057727940] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:03:28,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:03:28,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:03:28,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195931213] [2024-11-17 04:03:28,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:03:28,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:03:28,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:28,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:03:28,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:03:28,430 INFO L87 Difference]: Start difference. First operand 123 states and 159 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:28,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:03:28,494 INFO L93 Difference]: Finished difference Result 152 states and 189 transitions. [2024-11-17 04:03:28,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:03:28,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-17 04:03:28,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:03:28,495 INFO L225 Difference]: With dead ends: 152 [2024-11-17 04:03:28,495 INFO L226 Difference]: Without dead ends: 151 [2024-11-17 04:03:28,496 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:03:28,496 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 34 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:03:28,497 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 67 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:03:28,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-11-17 04:03:28,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 123. [2024-11-17 04:03:28,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 99 states have (on average 1.5858585858585859) internal successors, (157), 122 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:28,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 157 transitions. [2024-11-17 04:03:28,509 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 157 transitions. Word has length 13 [2024-11-17 04:03:28,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:03:28,509 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 157 transitions. [2024-11-17 04:03:28,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:28,510 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 157 transitions. [2024-11-17 04:03:28,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-17 04:03:28,510 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:28,510 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:03:28,522 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-17 04:03:28,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:28,711 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:28,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:28,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1921563445, now seen corresponding path program 1 times [2024-11-17 04:03:28,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:28,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382328222] [2024-11-17 04:03:28,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:28,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:28,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:03:28,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [964443912] [2024-11-17 04:03:28,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:28,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:28,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:03:28,732 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:03:28,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-17 04:03:28,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:28,761 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:03:28,762 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:03:28,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:28,818 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:03:28,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:28,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382328222] [2024-11-17 04:03:28,819 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:03:28,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [964443912] [2024-11-17 04:03:28,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [964443912] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:03:28,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:03:28,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:03:28,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323718497] [2024-11-17 04:03:28,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:03:28,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:03:28,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:28,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:03:28,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:03:28,820 INFO L87 Difference]: Start difference. First operand 123 states and 157 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:28,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:03:28,971 INFO L93 Difference]: Finished difference Result 152 states and 187 transitions. [2024-11-17 04:03:28,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:03:28,971 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-17 04:03:28,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:03:28,972 INFO L225 Difference]: With dead ends: 152 [2024-11-17 04:03:28,972 INFO L226 Difference]: Without dead ends: 151 [2024-11-17 04:03:28,973 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:03:28,974 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 88 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:03:28,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 66 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:03:28,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-11-17 04:03:28,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 123. [2024-11-17 04:03:28,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 99 states have (on average 1.5656565656565657) internal successors, (155), 122 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:28,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 155 transitions. [2024-11-17 04:03:28,990 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 155 transitions. Word has length 14 [2024-11-17 04:03:28,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:03:28,990 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 155 transitions. [2024-11-17 04:03:28,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:28,990 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 155 transitions. [2024-11-17 04:03:28,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-17 04:03:28,990 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:28,991 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:03:29,007 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-17 04:03:29,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-17 04:03:29,192 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:29,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:29,192 INFO L85 PathProgramCache]: Analyzing trace with hash -561075340, now seen corresponding path program 1 times [2024-11-17 04:03:29,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:29,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080995462] [2024-11-17 04:03:29,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:29,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:29,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:03:29,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2058281742] [2024-11-17 04:03:29,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:29,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:29,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:03:29,207 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:03:29,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-17 04:03:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:29,239 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:03:29,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:03:29,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:29,281 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:03:29,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:29,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080995462] [2024-11-17 04:03:29,281 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:03:29,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058281742] [2024-11-17 04:03:29,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2058281742] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:03:29,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:03:29,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:03:29,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474310624] [2024-11-17 04:03:29,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:03:29,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:03:29,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:29,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:03:29,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:03:29,282 INFO L87 Difference]: Start difference. First operand 123 states and 155 transitions. Second operand has 4 states, 3 states have (on average 5.0) 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) [2024-11-17 04:03:29,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:03:29,591 INFO L93 Difference]: Finished difference Result 148 states and 175 transitions. [2024-11-17 04:03:29,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:03:29,591 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) 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 [2024-11-17 04:03:29,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:03:29,592 INFO L225 Difference]: With dead ends: 148 [2024-11-17 04:03:29,592 INFO L226 Difference]: Without dead ends: 147 [2024-11-17 04:03:29,593 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:03:29,593 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 40 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:03:29,594 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 88 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:03:29,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-11-17 04:03:29,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 123. [2024-11-17 04:03:29,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 99 states have (on average 1.5454545454545454) internal successors, (153), 122 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:29,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 153 transitions. [2024-11-17 04:03:29,600 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 153 transitions. Word has length 15 [2024-11-17 04:03:29,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:03:29,600 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 153 transitions. [2024-11-17 04:03:29,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) 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) [2024-11-17 04:03:29,602 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 153 transitions. [2024-11-17 04:03:29,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-17 04:03:29,603 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:29,603 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:03:29,615 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-17 04:03:29,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:29,804 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:29,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:29,804 INFO L85 PathProgramCache]: Analyzing trace with hash -213466349, now seen corresponding path program 1 times [2024-11-17 04:03:29,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:29,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156099352] [2024-11-17 04:03:29,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:29,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:29,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:03:29,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [463484213] [2024-11-17 04:03:29,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:29,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:29,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:03:29,827 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:03:29,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-17 04:03:29,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:29,858 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:03:29,859 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:03:29,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:29,993 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:03:29,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:29,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156099352] [2024-11-17 04:03:29,993 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:03:29,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [463484213] [2024-11-17 04:03:29,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [463484213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:03:29,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:03:29,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:03:29,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450649891] [2024-11-17 04:03:29,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:03:29,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:03:29,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:29,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:03:29,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:03:29,995 INFO L87 Difference]: Start difference. First operand 123 states and 153 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) [2024-11-17 04:03:30,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:03:30,269 INFO L93 Difference]: Finished difference Result 148 states and 173 transitions. [2024-11-17 04:03:30,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:03:30,269 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 [2024-11-17 04:03:30,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:03:30,270 INFO L225 Difference]: With dead ends: 148 [2024-11-17 04:03:30,270 INFO L226 Difference]: Without dead ends: 147 [2024-11-17 04:03:30,270 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:03:30,271 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 64 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:03:30,271 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 83 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:03:30,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-11-17 04:03:30,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 123. [2024-11-17 04:03:30,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 99 states have (on average 1.5252525252525253) internal successors, (151), 122 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:30,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 151 transitions. [2024-11-17 04:03:30,276 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 151 transitions. Word has length 16 [2024-11-17 04:03:30,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:03:30,277 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 151 transitions. [2024-11-17 04:03:30,277 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) [2024-11-17 04:03:30,277 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 151 transitions. [2024-11-17 04:03:30,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-17 04:03:30,278 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:30,278 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:03:30,295 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-17 04:03:30,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-17 04:03:30,479 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:30,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:30,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1470568162, now seen corresponding path program 1 times [2024-11-17 04:03:30,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:30,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170251365] [2024-11-17 04:03:30,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:30,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:30,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:30,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:30,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:30,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170251365] [2024-11-17 04:03:30,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170251365] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:03:30,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:03:30,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:03:30,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025089726] [2024-11-17 04:03:30,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:03:30,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:03:30,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:30,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:03:30,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:03:30,548 INFO L87 Difference]: Start difference. First operand 123 states and 151 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:30,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:03:30,564 INFO L93 Difference]: Finished difference Result 123 states and 151 transitions. [2024-11-17 04:03:30,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:03:30,565 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 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 [2024-11-17 04:03:30,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:03:30,565 INFO L225 Difference]: With dead ends: 123 [2024-11-17 04:03:30,565 INFO L226 Difference]: Without dead ends: 122 [2024-11-17 04:03:30,566 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 [2024-11-17 04:03:30,566 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 2 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 103 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 [2024-11-17 04:03:30,566 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 103 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:03:30,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-17 04:03:30,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-17 04:03:30,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 99 states have (on average 1.505050505050505) internal successors, (149), 121 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:30,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 149 transitions. [2024-11-17 04:03:30,581 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 149 transitions. Word has length 19 [2024-11-17 04:03:30,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:03:30,582 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 149 transitions. [2024-11-17 04:03:30,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:30,582 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 149 transitions. [2024-11-17 04:03:30,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-17 04:03:30,582 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:30,582 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:03:30,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-17 04:03:30,584 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:30,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:30,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1470568208, now seen corresponding path program 1 times [2024-11-17 04:03:30,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:30,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025813215] [2024-11-17 04:03:30,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:30,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:30,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:30,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:30,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:30,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025813215] [2024-11-17 04:03:30,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025813215] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:03:30,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:03:30,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:03:30,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394546476] [2024-11-17 04:03:30,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:03:30,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:03:30,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:30,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:03:30,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:03:30,649 INFO L87 Difference]: Start difference. First operand 122 states and 149 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:30,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:03:30,663 INFO L93 Difference]: Finished difference Result 122 states and 149 transitions. [2024-11-17 04:03:30,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:03:30,663 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 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 [2024-11-17 04:03:30,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:03:30,666 INFO L225 Difference]: With dead ends: 122 [2024-11-17 04:03:30,666 INFO L226 Difference]: Without dead ends: 121 [2024-11-17 04:03:30,666 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 [2024-11-17 04:03:30,666 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 2 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:03:30,667 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 102 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:03:30,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-17 04:03:30,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-11-17 04:03:30,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 99 states have (on average 1.4848484848484849) internal successors, (147), 120 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:30,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 147 transitions. [2024-11-17 04:03:30,672 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 147 transitions. Word has length 19 [2024-11-17 04:03:30,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:03:30,672 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 147 transitions. [2024-11-17 04:03:30,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:30,672 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 147 transitions. [2024-11-17 04:03:30,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-17 04:03:30,673 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:30,673 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:03:30,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-17 04:03:30,674 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:30,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:30,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1657027250, now seen corresponding path program 1 times [2024-11-17 04:03:30,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:30,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415459971] [2024-11-17 04:03:30,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:30,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:30,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:30,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:30,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:30,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415459971] [2024-11-17 04:03:30,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415459971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:03:30,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:03:30,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:03:30,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77794111] [2024-11-17 04:03:30,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:03:30,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:03:30,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:30,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:03:30,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:03:30,756 INFO L87 Difference]: Start difference. First operand 121 states and 147 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:30,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:03:30,949 INFO L93 Difference]: Finished difference Result 125 states and 151 transitions. [2024-11-17 04:03:30,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:03:30,950 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2024-11-17 04:03:30,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:03:30,950 INFO L225 Difference]: With dead ends: 125 [2024-11-17 04:03:30,951 INFO L226 Difference]: Without dead ends: 124 [2024-11-17 04:03:30,951 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:03:30,952 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 72 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:03:30,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 63 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:03:30,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-17 04:03:30,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 123. [2024-11-17 04:03:30,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 101 states have (on average 1.4752475247524752) internal successors, (149), 122 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:30,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 149 transitions. [2024-11-17 04:03:30,958 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 149 transitions. Word has length 20 [2024-11-17 04:03:30,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:03:30,958 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 149 transitions. [2024-11-17 04:03:30,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:30,958 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 149 transitions. [2024-11-17 04:03:30,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-17 04:03:30,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:30,959 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:03:30,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-17 04:03:30,959 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:30,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:30,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1657025809, now seen corresponding path program 1 times [2024-11-17 04:03:30,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:30,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956418154] [2024-11-17 04:03:30,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:30,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:30,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:31,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:31,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:31,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956418154] [2024-11-17 04:03:31,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956418154] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:03:31,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:03:31,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:03:31,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987919348] [2024-11-17 04:03:31,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:03:31,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:03:31,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:31,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:03:31,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:03:31,051 INFO L87 Difference]: Start difference. First operand 123 states and 149 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:31,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:03:31,216 INFO L93 Difference]: Finished difference Result 127 states and 153 transitions. [2024-11-17 04:03:31,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:03:31,216 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2024-11-17 04:03:31,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:03:31,217 INFO L225 Difference]: With dead ends: 127 [2024-11-17 04:03:31,217 INFO L226 Difference]: Without dead ends: 126 [2024-11-17 04:03:31,217 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:03:31,218 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 72 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:03:31,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 63 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:03:31,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-17 04:03:31,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 125. [2024-11-17 04:03:31,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 103 states have (on average 1.4660194174757282) internal successors, (151), 124 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:31,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 151 transitions. [2024-11-17 04:03:31,222 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 151 transitions. Word has length 20 [2024-11-17 04:03:31,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:03:31,222 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 151 transitions. [2024-11-17 04:03:31,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:31,222 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 151 transitions. [2024-11-17 04:03:31,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-17 04:03:31,224 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:31,224 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:03:31,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-17 04:03:31,224 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:31,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:31,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1029679020, now seen corresponding path program 1 times [2024-11-17 04:03:31,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:31,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903923096] [2024-11-17 04:03:31,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:31,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:31,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:31,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:31,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:31,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903923096] [2024-11-17 04:03:31,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903923096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:03:31,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:03:31,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:03:31,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840143747] [2024-11-17 04:03:31,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:03:31,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:03:31,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:31,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:03:31,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:03:31,279 INFO L87 Difference]: Start difference. First operand 125 states and 151 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 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) [2024-11-17 04:03:31,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:03:31,385 INFO L93 Difference]: Finished difference Result 135 states and 163 transitions. [2024-11-17 04:03:31,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:03:31,385 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 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 22 [2024-11-17 04:03:31,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:03:31,386 INFO L225 Difference]: With dead ends: 135 [2024-11-17 04:03:31,386 INFO L226 Difference]: Without dead ends: 133 [2024-11-17 04:03:31,386 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 [2024-11-17 04:03:31,387 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 8 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:03:31,387 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 72 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:03:31,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-17 04:03:31,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 130. [2024-11-17 04:03:31,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 108 states have (on average 1.4537037037037037) internal successors, (157), 129 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:31,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 157 transitions. [2024-11-17 04:03:31,391 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 157 transitions. Word has length 22 [2024-11-17 04:03:31,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:03:31,392 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 157 transitions. [2024-11-17 04:03:31,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 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) [2024-11-17 04:03:31,392 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 157 transitions. [2024-11-17 04:03:31,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-17 04:03:31,392 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:31,392 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:03:31,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-17 04:03:31,393 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:31,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:31,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1031064301, now seen corresponding path program 1 times [2024-11-17 04:03:31,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:31,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464438518] [2024-11-17 04:03:31,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:31,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:31,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:31,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:31,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:31,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464438518] [2024-11-17 04:03:31,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464438518] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:03:31,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:03:31,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:03:31,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948513170] [2024-11-17 04:03:31,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:03:31,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:03:31,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:31,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:03:31,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:03:31,428 INFO L87 Difference]: Start difference. First operand 130 states and 157 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 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) [2024-11-17 04:03:31,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:03:31,538 INFO L93 Difference]: Finished difference Result 135 states and 161 transitions. [2024-11-17 04:03:31,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:03:31,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 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 22 [2024-11-17 04:03:31,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:03:31,539 INFO L225 Difference]: With dead ends: 135 [2024-11-17 04:03:31,539 INFO L226 Difference]: Without dead ends: 133 [2024-11-17 04:03:31,540 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 [2024-11-17 04:03:31,540 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 8 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:03:31,540 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 74 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:03:31,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-17 04:03:31,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 131. [2024-11-17 04:03:31,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 109 states have (on average 1.4403669724770642) internal successors, (157), 130 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:31,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 157 transitions. [2024-11-17 04:03:31,545 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 157 transitions. Word has length 22 [2024-11-17 04:03:31,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:03:31,545 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 157 transitions. [2024-11-17 04:03:31,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 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) [2024-11-17 04:03:31,545 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 157 transitions. [2024-11-17 04:03:31,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-17 04:03:31,545 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:31,546 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:03:31,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-17 04:03:31,546 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:31,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:31,546 INFO L85 PathProgramCache]: Analyzing trace with hash 511235901, now seen corresponding path program 1 times [2024-11-17 04:03:31,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:31,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074959734] [2024-11-17 04:03:31,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:31,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:31,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:31,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:31,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074959734] [2024-11-17 04:03:31,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074959734] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:03:31,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:03:31,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:03:31,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118700921] [2024-11-17 04:03:31,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:03:31,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:03:31,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:31,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:03:31,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:03:31,586 INFO L87 Difference]: Start difference. First operand 131 states and 157 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 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) [2024-11-17 04:03:31,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:03:31,692 INFO L93 Difference]: Finished difference Result 141 states and 169 transitions. [2024-11-17 04:03:31,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:03:31,692 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 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) Word has length 25 [2024-11-17 04:03:31,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:03:31,694 INFO L225 Difference]: With dead ends: 141 [2024-11-17 04:03:31,694 INFO L226 Difference]: Without dead ends: 139 [2024-11-17 04:03:31,694 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 [2024-11-17 04:03:31,695 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 11 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:03:31,695 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 72 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:03:31,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-17 04:03:31,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 136. [2024-11-17 04:03:31,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 114 states have (on average 1.4298245614035088) internal successors, (163), 135 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:31,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 163 transitions. [2024-11-17 04:03:31,699 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 163 transitions. Word has length 25 [2024-11-17 04:03:31,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:03:31,699 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 163 transitions. [2024-11-17 04:03:31,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 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) [2024-11-17 04:03:31,700 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 163 transitions. [2024-11-17 04:03:31,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-17 04:03:31,701 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:31,701 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:03:31,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-17 04:03:31,701 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:31,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:31,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1169515893, now seen corresponding path program 1 times [2024-11-17 04:03:31,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:31,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118042832] [2024-11-17 04:03:31,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:31,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:31,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:31,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:31,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:31,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118042832] [2024-11-17 04:03:31,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118042832] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:03:31,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:03:31,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:03:31,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255273973] [2024-11-17 04:03:31,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:03:31,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:03:31,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:31,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:03:31,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:03:31,745 INFO L87 Difference]: Start difference. First operand 136 states and 163 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 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) [2024-11-17 04:03:31,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:03:31,794 INFO L93 Difference]: Finished difference Result 141 states and 167 transitions. [2024-11-17 04:03:31,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:03:31,795 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 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) Word has length 25 [2024-11-17 04:03:31,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:03:31,795 INFO L225 Difference]: With dead ends: 141 [2024-11-17 04:03:31,795 INFO L226 Difference]: Without dead ends: 139 [2024-11-17 04:03:31,796 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 [2024-11-17 04:03:31,796 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 11 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:03:31,796 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 74 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:03:31,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-17 04:03:31,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 137. [2024-11-17 04:03:31,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 115 states have (on average 1.4173913043478261) internal successors, (163), 136 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:31,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 163 transitions. [2024-11-17 04:03:31,803 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 163 transitions. Word has length 25 [2024-11-17 04:03:31,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:03:31,805 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 163 transitions. [2024-11-17 04:03:31,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 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) [2024-11-17 04:03:31,805 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 163 transitions. [2024-11-17 04:03:31,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-17 04:03:31,807 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:31,807 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:03:31,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-17 04:03:31,807 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:31,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:31,808 INFO L85 PathProgramCache]: Analyzing trace with hash -75186790, now seen corresponding path program 1 times [2024-11-17 04:03:31,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:31,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691481934] [2024-11-17 04:03:31,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:31,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:31,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:03:31,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1476296127] [2024-11-17 04:03:31,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:31,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:31,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:03:31,819 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:03:31,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-17 04:03:31,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:31,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:03:31,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:03:32,115 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:32,116 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:03:32,469 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:32,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:32,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691481934] [2024-11-17 04:03:32,470 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:03:32,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476296127] [2024-11-17 04:03:32,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476296127] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:03:32,470 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:03:32,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-17 04:03:32,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774458503] [2024-11-17 04:03:32,470 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:03:32,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:03:32,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:32,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:03:32,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:03:32,471 INFO L87 Difference]: Start difference. First operand 137 states and 163 transitions. Second operand has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 8 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:32,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:03:32,634 INFO L93 Difference]: Finished difference Result 228 states and 273 transitions. [2024-11-17 04:03:32,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:03:32,634 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 8 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2024-11-17 04:03:32,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:03:32,635 INFO L225 Difference]: With dead ends: 228 [2024-11-17 04:03:32,635 INFO L226 Difference]: Without dead ends: 224 [2024-11-17 04:03:32,636 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:03:32,636 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 278 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:03:32,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 100 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:03:32,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-11-17 04:03:32,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 150. [2024-11-17 04:03:32,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 128 states have (on average 1.390625) internal successors, (178), 149 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:32,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 178 transitions. [2024-11-17 04:03:32,642 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 178 transitions. Word has length 29 [2024-11-17 04:03:32,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:03:32,642 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 178 transitions. [2024-11-17 04:03:32,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 8 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:32,642 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 178 transitions. [2024-11-17 04:03:32,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-17 04:03:32,642 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:32,642 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:03:32,659 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-17 04:03:32,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:32,843 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:32,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:32,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1964176833, now seen corresponding path program 1 times [2024-11-17 04:03:32,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:32,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039235086] [2024-11-17 04:03:32,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:32,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:03:32,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1666991826] [2024-11-17 04:03:32,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:32,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:32,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:03:32,855 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:03:32,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-17 04:03:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:32,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:03:32,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:03:33,116 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:33,116 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:03:34,068 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:34,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:34,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039235086] [2024-11-17 04:03:34,069 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:03:34,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1666991826] [2024-11-17 04:03:34,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1666991826] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:03:34,069 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:03:34,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 6 [2024-11-17 04:03:34,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982001460] [2024-11-17 04:03:34,069 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:03:34,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:03:34,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:34,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:03:34,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:03:34,070 INFO L87 Difference]: Start difference. First operand 150 states and 178 transitions. Second operand has 7 states, 6 states have (on average 9.833333333333334) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:34,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:03:34,163 INFO L93 Difference]: Finished difference Result 158 states and 178 transitions. [2024-11-17 04:03:34,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:03:34,164 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.833333333333334) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2024-11-17 04:03:34,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:03:34,164 INFO L225 Difference]: With dead ends: 158 [2024-11-17 04:03:34,164 INFO L226 Difference]: Without dead ends: 154 [2024-11-17 04:03:34,165 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:03:34,165 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 137 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:03:34,165 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 82 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:03:34,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-11-17 04:03:34,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 144. [2024-11-17 04:03:34,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 126 states have (on average 1.3253968253968254) internal successors, (167), 143 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:34,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 167 transitions. [2024-11-17 04:03:34,169 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 167 transitions. Word has length 30 [2024-11-17 04:03:34,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:03:34,169 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 167 transitions. [2024-11-17 04:03:34,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.833333333333334) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:34,170 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 167 transitions. [2024-11-17 04:03:34,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-17 04:03:34,170 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:34,170 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:03:34,186 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-17 04:03:34,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:34,371 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:34,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:34,371 INFO L85 PathProgramCache]: Analyzing trace with hash 759939704, now seen corresponding path program 1 times [2024-11-17 04:03:34,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:34,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372215241] [2024-11-17 04:03:34,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:34,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:34,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:03:34,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [945709802] [2024-11-17 04:03:34,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:34,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:34,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:03:34,380 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:03:34,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-17 04:03:34,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:34,413 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:03:34,414 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:03:34,603 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:34,603 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:03:34,817 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:34,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:34,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372215241] [2024-11-17 04:03:34,819 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:03:34,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [945709802] [2024-11-17 04:03:34,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [945709802] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:03:34,819 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:03:34,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 6 [2024-11-17 04:03:34,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665211251] [2024-11-17 04:03:34,819 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:03:34,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:03:34,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:34,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:03:34,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:03:34,820 INFO L87 Difference]: Start difference. First operand 144 states and 167 transitions. Second operand has 7 states, 6 states have (on average 10.166666666666666) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:34,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:03:34,908 INFO L93 Difference]: Finished difference Result 144 states and 167 transitions. [2024-11-17 04:03:34,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:03:34,909 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.166666666666666) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 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 31 [2024-11-17 04:03:34,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:03:34,910 INFO L225 Difference]: With dead ends: 144 [2024-11-17 04:03:34,910 INFO L226 Difference]: Without dead ends: 140 [2024-11-17 04:03:34,910 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:03:34,910 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 86 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:03:34,911 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 30 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:03:34,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-17 04:03:34,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 139. [2024-11-17 04:03:34,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 125 states have (on average 1.256) internal successors, (157), 138 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:34,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 157 transitions. [2024-11-17 04:03:34,915 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 157 transitions. Word has length 31 [2024-11-17 04:03:34,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:03:34,915 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 157 transitions. [2024-11-17 04:03:34,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.166666666666666) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:34,916 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 157 transitions. [2024-11-17 04:03:34,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-17 04:03:34,916 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:34,916 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:03:34,934 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-17 04:03:35,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-17 04:03:35,117 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:35,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:35,117 INFO L85 PathProgramCache]: Analyzing trace with hash 2083294367, now seen corresponding path program 1 times [2024-11-17 04:03:35,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:35,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233772870] [2024-11-17 04:03:35,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:35,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:35,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:03:35,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1517889279] [2024-11-17 04:03:35,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:35,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:35,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:03:35,126 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:03:35,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-17 04:03:35,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:35,159 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:03:35,160 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:03:35,354 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:35,355 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:03:35,989 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:35,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:35,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233772870] [2024-11-17 04:03:35,990 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:03:35,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1517889279] [2024-11-17 04:03:35,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1517889279] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:03:35,990 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:03:35,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2024-11-17 04:03:35,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177937138] [2024-11-17 04:03:35,990 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:03:35,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:03:35,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:35,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:03:35,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:03:35,991 INFO L87 Difference]: Start difference. First operand 139 states and 157 transitions. Second operand has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:36,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:03:36,194 INFO L93 Difference]: Finished difference Result 193 states and 216 transitions. [2024-11-17 04:03:36,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:03:36,196 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2024-11-17 04:03:36,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:03:36,197 INFO L225 Difference]: With dead ends: 193 [2024-11-17 04:03:36,197 INFO L226 Difference]: Without dead ends: 190 [2024-11-17 04:03:36,197 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:03:36,198 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 182 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:03:36,198 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 83 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:03:36,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2024-11-17 04:03:36,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 148. [2024-11-17 04:03:36,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 134 states have (on average 1.2313432835820894) internal successors, (165), 147 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:36,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 165 transitions. [2024-11-17 04:03:36,204 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 165 transitions. Word has length 32 [2024-11-17 04:03:36,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:03:36,205 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 165 transitions. [2024-11-17 04:03:36,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:36,205 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 165 transitions. [2024-11-17 04:03:36,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-17 04:03:36,205 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:36,206 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:03:36,222 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-17 04:03:36,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:36,410 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:36,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:36,410 INFO L85 PathProgramCache]: Analyzing trace with hash 157615958, now seen corresponding path program 1 times [2024-11-17 04:03:36,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:36,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046806184] [2024-11-17 04:03:36,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:36,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:36,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:03:36,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1032041746] [2024-11-17 04:03:36,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:36,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:36,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:03:36,422 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:03:36,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-17 04:03:36,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:36,467 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-17 04:03:36,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:03:36,811 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:36,811 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:03:37,467 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:37,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:37,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046806184] [2024-11-17 04:03:37,468 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:03:37,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1032041746] [2024-11-17 04:03:37,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1032041746] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:03:37,468 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:03:37,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-17 04:03:37,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887915053] [2024-11-17 04:03:37,469 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:03:37,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 04:03:37,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:37,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 04:03:37,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:03:37,470 INFO L87 Difference]: Start difference. First operand 148 states and 165 transitions. Second operand has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:39,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:03:39,267 INFO L93 Difference]: Finished difference Result 227 states and 265 transitions. [2024-11-17 04:03:39,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-17 04:03:39,267 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2024-11-17 04:03:39,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:03:39,268 INFO L225 Difference]: With dead ends: 227 [2024-11-17 04:03:39,268 INFO L226 Difference]: Without dead ends: 226 [2024-11-17 04:03:39,268 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-17 04:03:39,269 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 124 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:03:39,269 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 63 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-17 04:03:39,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-11-17 04:03:39,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 219. [2024-11-17 04:03:39,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 205 states have (on average 1.248780487804878) internal successors, (256), 218 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:39,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 256 transitions. [2024-11-17 04:03:39,287 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 256 transitions. Word has length 33 [2024-11-17 04:03:39,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:03:39,288 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 256 transitions. [2024-11-17 04:03:39,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:39,288 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 256 transitions. [2024-11-17 04:03:39,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-17 04:03:39,288 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:39,288 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:03:39,304 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-17 04:03:39,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:39,489 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:39,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:39,489 INFO L85 PathProgramCache]: Analyzing trace with hash 591127421, now seen corresponding path program 1 times [2024-11-17 04:03:39,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:39,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198994421] [2024-11-17 04:03:39,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:39,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:39,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:03:39,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [595637923] [2024-11-17 04:03:39,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:39,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:39,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:03:39,498 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:03:39,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-17 04:03:39,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:39,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-17 04:03:39,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:03:39,871 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:39,871 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:03:40,395 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:40,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:40,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198994421] [2024-11-17 04:03:40,396 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:03:40,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595637923] [2024-11-17 04:03:40,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [595637923] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:03:40,396 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:03:40,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-17 04:03:40,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206260169] [2024-11-17 04:03:40,397 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:03:40,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 04:03:40,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:40,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 04:03:40,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:03:40,398 INFO L87 Difference]: Start difference. First operand 219 states and 256 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:42,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:03:42,102 INFO L93 Difference]: Finished difference Result 228 states and 261 transitions. [2024-11-17 04:03:42,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:03:42,102 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2024-11-17 04:03:42,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:03:42,103 INFO L225 Difference]: With dead ends: 228 [2024-11-17 04:03:42,103 INFO L226 Difference]: Without dead ends: 227 [2024-11-17 04:03:42,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-11-17 04:03:42,104 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 181 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:03:42,104 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 89 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-17 04:03:42,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2024-11-17 04:03:42,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 221. [2024-11-17 04:03:42,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 207 states have (on average 1.2367149758454106) internal successors, (256), 220 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:42,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 256 transitions. [2024-11-17 04:03:42,110 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 256 transitions. Word has length 34 [2024-11-17 04:03:42,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:03:42,111 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 256 transitions. [2024-11-17 04:03:42,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:42,111 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 256 transitions. [2024-11-17 04:03:42,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-17 04:03:42,111 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:42,112 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:03:42,128 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-17 04:03:42,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-17 04:03:42,312 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:42,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:42,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1594284062, now seen corresponding path program 1 times [2024-11-17 04:03:42,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:42,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9624118] [2024-11-17 04:03:42,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:42,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:03:42,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1887932317] [2024-11-17 04:03:42,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:42,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:42,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:03:42,321 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:03:42,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-17 04:03:42,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:42,357 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:03:42,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:03:42,543 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:42,543 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:03:42,774 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:42,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:42,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9624118] [2024-11-17 04:03:42,776 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:03:42,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1887932317] [2024-11-17 04:03:42,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1887932317] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:03:42,777 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:03:42,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-17 04:03:42,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241168837] [2024-11-17 04:03:42,777 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:03:42,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:03:42,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:42,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:03:42,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:03:42,778 INFO L87 Difference]: Start difference. First operand 221 states and 256 transitions. Second operand has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:42,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:03:42,934 INFO L93 Difference]: Finished difference Result 353 states and 414 transitions. [2024-11-17 04:03:42,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:03:42,934 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2024-11-17 04:03:42,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:03:42,935 INFO L225 Difference]: With dead ends: 353 [2024-11-17 04:03:42,935 INFO L226 Difference]: Without dead ends: 352 [2024-11-17 04:03:42,936 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:03:42,936 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 128 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:03:42,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 117 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:03:42,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-17 04:03:42,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 260. [2024-11-17 04:03:42,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 246 states have (on average 1.2073170731707317) internal successors, (297), 259 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:42,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 297 transitions. [2024-11-17 04:03:42,964 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 297 transitions. Word has length 35 [2024-11-17 04:03:42,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:03:42,964 INFO L471 AbstractCegarLoop]: Abstraction has 260 states and 297 transitions. [2024-11-17 04:03:42,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:42,965 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 297 transitions. [2024-11-17 04:03:42,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-17 04:03:42,965 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:42,965 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:03:42,984 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-17 04:03:43,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:43,166 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:43,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:43,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1366988130, now seen corresponding path program 1 times [2024-11-17 04:03:43,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:43,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063974838] [2024-11-17 04:03:43,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:43,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:43,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:03:43,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [343762898] [2024-11-17 04:03:43,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:43,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:43,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:03:43,175 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:03:43,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-17 04:03:43,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:43,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-17 04:03:43,213 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:03:43,554 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:43,554 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:03:44,165 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:44,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:44,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063974838] [2024-11-17 04:03:44,165 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:03:44,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343762898] [2024-11-17 04:03:44,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [343762898] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:03:44,166 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:03:44,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2024-11-17 04:03:44,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986511000] [2024-11-17 04:03:44,166 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:03:44,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 04:03:44,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:44,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 04:03:44,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:03:44,168 INFO L87 Difference]: Start difference. First operand 260 states and 297 transitions. Second operand has 11 states, 10 states have (on average 7.6) internal successors, (76), 11 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) [2024-11-17 04:03:45,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:03:45,680 INFO L93 Difference]: Finished difference Result 350 states and 408 transitions. [2024-11-17 04:03:45,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-17 04:03:45,681 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.6) internal successors, (76), 11 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) Word has length 39 [2024-11-17 04:03:45,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:03:45,682 INFO L225 Difference]: With dead ends: 350 [2024-11-17 04:03:45,682 INFO L226 Difference]: Without dead ends: 349 [2024-11-17 04:03:45,684 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=134, Invalid=328, Unknown=0, NotChecked=0, Total=462 [2024-11-17 04:03:45,684 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 243 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:03:45,685 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 66 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 458 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-17 04:03:45,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2024-11-17 04:03:45,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 345. [2024-11-17 04:03:45,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 331 states have (on average 1.2205438066465257) internal successors, (404), 344 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:45,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 404 transitions. [2024-11-17 04:03:45,698 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 404 transitions. Word has length 39 [2024-11-17 04:03:45,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:03:45,698 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 404 transitions. [2024-11-17 04:03:45,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.6) internal successors, (76), 11 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) [2024-11-17 04:03:45,699 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 404 transitions. [2024-11-17 04:03:45,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-17 04:03:45,699 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:45,699 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:03:45,716 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-17 04:03:45,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:45,905 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:45,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:45,905 INFO L85 PathProgramCache]: Analyzing trace with hash 573040937, now seen corresponding path program 1 times [2024-11-17 04:03:45,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:45,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844954823] [2024-11-17 04:03:45,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:45,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:03:45,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1382161279] [2024-11-17 04:03:45,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:45,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:45,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:03:45,919 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:03:45,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-17 04:03:45,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:45,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-17 04:03:45,953 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:03:46,298 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:46,298 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:03:46,701 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:46,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:46,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844954823] [2024-11-17 04:03:46,702 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:03:46,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382161279] [2024-11-17 04:03:46,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382161279] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:03:46,702 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:03:46,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-17 04:03:46,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423446482] [2024-11-17 04:03:46,702 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:03:46,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 04:03:46,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:46,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 04:03:46,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:03:46,703 INFO L87 Difference]: Start difference. First operand 345 states and 404 transitions. Second operand has 10 states, 9 states have (on average 8.777777777777779) internal successors, (79), 10 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:47,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:03:47,683 INFO L93 Difference]: Finished difference Result 357 states and 413 transitions. [2024-11-17 04:03:47,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:03:47,683 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.777777777777779) internal successors, (79), 10 states have internal predecessors, (79), 0 states have call successors, (0), 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 40 [2024-11-17 04:03:47,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:03:47,685 INFO L225 Difference]: With dead ends: 357 [2024-11-17 04:03:47,685 INFO L226 Difference]: Without dead ends: 355 [2024-11-17 04:03:47,685 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:03:47,686 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 281 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-17 04:03:47,686 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 105 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-17 04:03:47,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-17 04:03:47,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 351. [2024-11-17 04:03:47,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 337 states have (on average 1.2106824925816024) internal successors, (408), 350 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:47,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 408 transitions. [2024-11-17 04:03:47,698 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 408 transitions. Word has length 40 [2024-11-17 04:03:47,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:03:47,698 INFO L471 AbstractCegarLoop]: Abstraction has 351 states and 408 transitions. [2024-11-17 04:03:47,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.777777777777779) internal successors, (79), 10 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:47,698 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 408 transitions. [2024-11-17 04:03:47,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-17 04:03:47,699 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:47,699 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:03:47,715 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-17 04:03:47,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:47,904 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:47,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:47,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1734391726, now seen corresponding path program 1 times [2024-11-17 04:03:47,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:47,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303024511] [2024-11-17 04:03:47,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:47,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:47,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:47,978 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:47,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:47,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303024511] [2024-11-17 04:03:47,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303024511] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:03:47,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580204866] [2024-11-17 04:03:47,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:47,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:47,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:03:47,980 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:03:47,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-17 04:03:48,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:48,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:03:48,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:03:48,156 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:48,156 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:03:48,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [580204866] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:03:48,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:03:48,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-17 04:03:48,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258663343] [2024-11-17 04:03:48,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:03:48,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:03:48,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:48,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:03:48,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:03:48,158 INFO L87 Difference]: Start difference. First operand 351 states and 408 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:48,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:03:48,342 INFO L93 Difference]: Finished difference Result 356 states and 408 transitions. [2024-11-17 04:03:48,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:03:48,343 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 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 44 [2024-11-17 04:03:48,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:03:48,344 INFO L225 Difference]: With dead ends: 356 [2024-11-17 04:03:48,344 INFO L226 Difference]: Without dead ends: 355 [2024-11-17 04:03:48,344 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:03:48,345 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 89 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:03:48,345 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 61 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:03:48,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-17 04:03:48,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 351. [2024-11-17 04:03:48,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 337 states have (on average 1.2047477744807122) internal successors, (406), 350 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:48,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 406 transitions. [2024-11-17 04:03:48,356 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 406 transitions. Word has length 44 [2024-11-17 04:03:48,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:03:48,356 INFO L471 AbstractCegarLoop]: Abstraction has 351 states and 406 transitions. [2024-11-17 04:03:48,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:48,357 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 406 transitions. [2024-11-17 04:03:48,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-17 04:03:48,357 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:48,357 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:03:48,374 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-17 04:03:48,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-17 04:03:48,558 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:48,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:48,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1734390285, now seen corresponding path program 1 times [2024-11-17 04:03:48,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:48,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104780128] [2024-11-17 04:03:48,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:48,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:48,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:48,619 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:48,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:48,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104780128] [2024-11-17 04:03:48,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104780128] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:03:48,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [426090402] [2024-11-17 04:03:48,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:48,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:48,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:03:48,622 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:03:48,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-17 04:03:48,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:48,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:03:48,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:03:48,771 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:48,772 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:03:48,866 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:48,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [426090402] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:03:48,867 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:03:48,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-17 04:03:48,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409879327] [2024-11-17 04:03:48,867 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:03:48,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-17 04:03:48,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:48,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-17 04:03:48,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-17 04:03:48,869 INFO L87 Difference]: Start difference. First operand 351 states and 406 transitions. Second operand has 14 states, 13 states have (on average 10.0) internal successors, (130), 14 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:49,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:03:49,472 INFO L93 Difference]: Finished difference Result 462 states and 533 transitions. [2024-11-17 04:03:49,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-17 04:03:49,473 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.0) internal successors, (130), 14 states have internal predecessors, (130), 0 states have call successors, (0), 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 44 [2024-11-17 04:03:49,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:03:49,474 INFO L225 Difference]: With dead ends: 462 [2024-11-17 04:03:49,474 INFO L226 Difference]: Without dead ends: 461 [2024-11-17 04:03:49,475 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 281 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=344, Invalid=916, Unknown=0, NotChecked=0, Total=1260 [2024-11-17 04:03:49,475 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 467 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:03:49,476 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 99 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:03:49,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2024-11-17 04:03:49,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 437. [2024-11-17 04:03:49,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 423 states have (on average 1.2127659574468086) internal successors, (513), 436 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:49,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 513 transitions. [2024-11-17 04:03:49,495 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 513 transitions. Word has length 44 [2024-11-17 04:03:49,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:03:49,496 INFO L471 AbstractCegarLoop]: Abstraction has 437 states and 513 transitions. [2024-11-17 04:03:49,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.0) internal successors, (130), 14 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:49,496 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 513 transitions. [2024-11-17 04:03:49,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-17 04:03:49,496 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:49,496 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:03:49,513 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-17 04:03:49,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-17 04:03:49,701 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:49,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:49,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1940918172, now seen corresponding path program 1 times [2024-11-17 04:03:49,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:49,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117939836] [2024-11-17 04:03:49,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:49,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:49,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:49,795 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:49,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:49,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117939836] [2024-11-17 04:03:49,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117939836] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:03:49,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [487972694] [2024-11-17 04:03:49,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:49,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:49,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:03:49,798 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:03:49,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-17 04:03:49,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:49,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:03:49,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:03:49,959 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:49,959 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:03:49,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [487972694] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:03:49,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:03:49,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-17 04:03:49,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040174747] [2024-11-17 04:03:49,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:03:49,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:03:49,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:49,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:03:49,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:03:49,961 INFO L87 Difference]: Start difference. First operand 437 states and 513 transitions. Second operand has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:50,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:03:50,114 INFO L93 Difference]: Finished difference Result 437 states and 513 transitions. [2024-11-17 04:03:50,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:03:50,115 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 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 44 [2024-11-17 04:03:50,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:03:50,116 INFO L225 Difference]: With dead ends: 437 [2024-11-17 04:03:50,117 INFO L226 Difference]: Without dead ends: 436 [2024-11-17 04:03:50,117 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:03:50,118 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 64 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:03:50,118 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 52 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:03:50,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-11-17 04:03:50,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 436. [2024-11-17 04:03:50,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 423 states have (on average 1.198581560283688) internal successors, (507), 435 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:50,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 507 transitions. [2024-11-17 04:03:50,132 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 507 transitions. Word has length 44 [2024-11-17 04:03:50,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:03:50,132 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 507 transitions. [2024-11-17 04:03:50,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:50,133 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 507 transitions. [2024-11-17 04:03:50,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-17 04:03:50,133 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:50,133 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:03:50,150 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-17 04:03:50,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:50,338 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:50,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:50,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1940916731, now seen corresponding path program 1 times [2024-11-17 04:03:50,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:50,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76881863] [2024-11-17 04:03:50,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:50,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:50,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:50,419 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:50,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:50,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76881863] [2024-11-17 04:03:50,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76881863] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:03:50,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679788497] [2024-11-17 04:03:50,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:50,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:50,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:03:50,421 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:03:50,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-17 04:03:50,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:50,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:03:50,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:03:50,592 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:50,592 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:03:50,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679788497] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:03:50,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:03:50,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-17 04:03:50,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441281143] [2024-11-17 04:03:50,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:03:50,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:03:50,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:50,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:03:50,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:03:50,594 INFO L87 Difference]: Start difference. First operand 436 states and 507 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:50,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:03:50,728 INFO L93 Difference]: Finished difference Result 441 states and 507 transitions. [2024-11-17 04:03:50,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:03:50,728 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 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 44 [2024-11-17 04:03:50,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:03:50,730 INFO L225 Difference]: With dead ends: 441 [2024-11-17 04:03:50,730 INFO L226 Difference]: Without dead ends: 440 [2024-11-17 04:03:50,731 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:03:50,731 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 87 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:03:50,731 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 61 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:03:50,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2024-11-17 04:03:50,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 436. [2024-11-17 04:03:50,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 423 states have (on average 1.1938534278959811) internal successors, (505), 435 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:50,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 505 transitions. [2024-11-17 04:03:50,745 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 505 transitions. Word has length 44 [2024-11-17 04:03:50,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:03:50,746 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 505 transitions. [2024-11-17 04:03:50,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:50,746 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 505 transitions. [2024-11-17 04:03:50,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-17 04:03:50,746 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:50,746 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:03:50,764 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-17 04:03:50,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:50,947 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:50,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:50,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1205172093, now seen corresponding path program 1 times [2024-11-17 04:03:50,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:50,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252612905] [2024-11-17 04:03:50,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:50,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:50,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:51,021 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:51,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:51,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252612905] [2024-11-17 04:03:51,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252612905] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:03:51,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127698539] [2024-11-17 04:03:51,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:51,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:51,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:03:51,024 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:03:51,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-17 04:03:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:51,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:03:51,060 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:03:51,197 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:51,198 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:03:51,265 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:51,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1127698539] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:03:51,266 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:03:51,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-11-17 04:03:51,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149899377] [2024-11-17 04:03:51,266 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:03:51,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:03:51,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:51,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:03:51,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:03:51,267 INFO L87 Difference]: Start difference. First operand 436 states and 505 transitions. Second operand has 8 states, 7 states have (on average 19.142857142857142) internal successors, (134), 8 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:51,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:03:51,431 INFO L93 Difference]: Finished difference Result 711 states and 841 transitions. [2024-11-17 04:03:51,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:03:51,432 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 19.142857142857142) internal successors, (134), 8 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2024-11-17 04:03:51,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:03:51,434 INFO L225 Difference]: With dead ends: 711 [2024-11-17 04:03:51,434 INFO L226 Difference]: Without dead ends: 709 [2024-11-17 04:03:51,435 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:03:51,435 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 123 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:03:51,435 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 160 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:03:51,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2024-11-17 04:03:51,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 651. [2024-11-17 04:03:51,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 651 states, 638 states have (on average 1.2115987460815048) internal successors, (773), 650 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:51,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 773 transitions. [2024-11-17 04:03:51,463 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 773 transitions. Word has length 46 [2024-11-17 04:03:51,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:03:51,463 INFO L471 AbstractCegarLoop]: Abstraction has 651 states and 773 transitions. [2024-11-17 04:03:51,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 19.142857142857142) internal successors, (134), 8 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:51,464 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 773 transitions. [2024-11-17 04:03:51,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-17 04:03:51,464 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:51,464 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:03:51,481 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-17 04:03:51,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:51,666 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:51,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:51,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1520604857, now seen corresponding path program 1 times [2024-11-17 04:03:51,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:51,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176589976] [2024-11-17 04:03:51,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:51,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:51,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:51,735 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:51,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:51,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176589976] [2024-11-17 04:03:51,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176589976] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:03:51,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328688292] [2024-11-17 04:03:51,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:51,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:51,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:03:51,737 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:03:51,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-17 04:03:51,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:51,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:03:51,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:03:51,903 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:51,903 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:03:51,973 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:51,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [328688292] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:03:51,974 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:03:51,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-11-17 04:03:51,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82139229] [2024-11-17 04:03:51,974 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:03:51,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:03:51,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:51,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:03:51,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:03:51,975 INFO L87 Difference]: Start difference. First operand 651 states and 773 transitions. Second operand has 8 states, 7 states have (on average 20.428571428571427) internal successors, (143), 8 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:52,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:03:52,223 INFO L93 Difference]: Finished difference Result 969 states and 1158 transitions. [2024-11-17 04:03:52,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:03:52,224 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 20.428571428571427) internal successors, (143), 8 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2024-11-17 04:03:52,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:03:52,227 INFO L225 Difference]: With dead ends: 969 [2024-11-17 04:03:52,227 INFO L226 Difference]: Without dead ends: 967 [2024-11-17 04:03:52,228 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:03:52,228 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 113 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:03:52,228 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 183 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:03:52,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 967 states. [2024-11-17 04:03:52,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 967 to 874. [2024-11-17 04:03:52,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 874 states, 861 states have (on average 1.2183507549361208) internal successors, (1049), 873 states have internal predecessors, (1049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:52,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1049 transitions. [2024-11-17 04:03:52,254 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1049 transitions. Word has length 49 [2024-11-17 04:03:52,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:03:52,254 INFO L471 AbstractCegarLoop]: Abstraction has 874 states and 1049 transitions. [2024-11-17 04:03:52,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 20.428571428571427) internal successors, (143), 8 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:52,255 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1049 transitions. [2024-11-17 04:03:52,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-17 04:03:52,255 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:52,255 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-17 04:03:52,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-17 04:03:52,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-17 04:03:52,460 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:52,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:52,460 INFO L85 PathProgramCache]: Analyzing trace with hash -2054529258, now seen corresponding path program 2 times [2024-11-17 04:03:52,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:52,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800931130] [2024-11-17 04:03:52,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:52,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:52,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:03:52,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [552458439] [2024-11-17 04:03:52,467 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:03:52,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:52,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:03:52,469 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:03:52,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-17 04:03:52,502 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:03:52,502 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:03:52,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-17 04:03:52,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:03:53,082 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:53,082 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:03:57,995 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:57,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:57,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800931130] [2024-11-17 04:03:57,996 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:03:57,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [552458439] [2024-11-17 04:03:57,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [552458439] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:03:57,996 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:03:57,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 16 [2024-11-17 04:03:57,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488550623] [2024-11-17 04:03:57,996 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:03:57,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-17 04:03:57,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:57,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-17 04:03:57,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=206, Unknown=1, NotChecked=0, Total=272 [2024-11-17 04:03:57,997 INFO L87 Difference]: Start difference. First operand 874 states and 1049 transitions. Second operand has 17 states, 16 states have (on average 6.5) internal successors, (104), 17 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:04:02,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-17 04:04:06,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:04:06,563 INFO L93 Difference]: Finished difference Result 997 states and 1198 transitions. [2024-11-17 04:04:06,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-17 04:04:06,564 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.5) internal successors, (104), 17 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2024-11-17 04:04:06,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:04:06,566 INFO L225 Difference]: With dead ends: 997 [2024-11-17 04:04:06,566 INFO L226 Difference]: Without dead ends: 996 [2024-11-17 04:04:06,566 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=236, Invalid=693, Unknown=1, NotChecked=0, Total=930 [2024-11-17 04:04:06,567 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 216 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 687 mSolverCounterSat, 22 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 687 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:04:06,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 69 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 687 Invalid, 1 Unknown, 0 Unchecked, 7.6s Time] [2024-11-17 04:04:06,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2024-11-17 04:04:06,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 874. [2024-11-17 04:04:06,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 874 states, 861 states have (on average 1.21602787456446) internal successors, (1047), 873 states have internal predecessors, (1047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:04:06,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1047 transitions. [2024-11-17 04:04:06,594 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1047 transitions. Word has length 53 [2024-11-17 04:04:06,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:04:06,594 INFO L471 AbstractCegarLoop]: Abstraction has 874 states and 1047 transitions. [2024-11-17 04:04:06,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.5) internal successors, (104), 17 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:04:06,594 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1047 transitions. [2024-11-17 04:04:06,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-17 04:04:06,595 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:04:06,595 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:04:06,612 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-17 04:04:06,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-17 04:04:06,796 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:04:06,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:04:06,796 INFO L85 PathProgramCache]: Analyzing trace with hash -291846475, now seen corresponding path program 1 times [2024-11-17 04:04:06,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:04:06,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681511937] [2024-11-17 04:04:06,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:04:06,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:04:06,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:04:06,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [252158029] [2024-11-17 04:04:06,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:04:06,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:04:06,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:04:06,810 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:04:06,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-17 04:04:06,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 04:04:06,850 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 04:04:06,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 04:04:06,875 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 04:04:06,875 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-17 04:04:06,876 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 24 remaining) [2024-11-17 04:04:06,878 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 24 remaining) [2024-11-17 04:04:06,878 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 24 remaining) [2024-11-17 04:04:06,878 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 24 remaining) [2024-11-17 04:04:06,878 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 24 remaining) [2024-11-17 04:04:06,878 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 24 remaining) [2024-11-17 04:04:06,878 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 24 remaining) [2024-11-17 04:04:06,878 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 24 remaining) [2024-11-17 04:04:06,879 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 24 remaining) [2024-11-17 04:04:06,879 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 24 remaining) [2024-11-17 04:04:06,879 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 24 remaining) [2024-11-17 04:04:06,879 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 24 remaining) [2024-11-17 04:04:06,879 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 24 remaining) [2024-11-17 04:04:06,879 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 24 remaining) [2024-11-17 04:04:06,879 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 24 remaining) [2024-11-17 04:04:06,880 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 24 remaining) [2024-11-17 04:04:06,880 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 24 remaining) [2024-11-17 04:04:06,880 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 24 remaining) [2024-11-17 04:04:06,880 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 24 remaining) [2024-11-17 04:04:06,880 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 24 remaining) [2024-11-17 04:04:06,880 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 24 remaining) [2024-11-17 04:04:06,880 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 24 remaining) [2024-11-17 04:04:06,880 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 24 remaining) [2024-11-17 04:04:06,881 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 24 remaining) [2024-11-17 04:04:06,894 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-17 04:04:07,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-17 04:04:07,084 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:04:07,125 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 04:04:07,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 04:04:07 BoogieIcfgContainer [2024-11-17 04:04:07,128 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 04:04:07,128 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 04:04:07,128 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 04:04:07,129 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 04:04:07,129 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:03:25" (3/4) ... [2024-11-17 04:04:07,130 INFO L137 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-17 04:04:07,178 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 04:04:07,179 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 04:04:07,179 INFO L158 Benchmark]: Toolchain (without parser) took 42880.21ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 106.6MB in the beginning and 72.9MB in the end (delta: 33.8MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. [2024-11-17 04:04:07,179 INFO L158 Benchmark]: CDTParser took 1.14ms. Allocated memory is still 180.4MB. Free memory is still 152.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 04:04:07,180 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.77ms. Allocated memory is still 180.4MB. Free memory was 106.4MB in the beginning and 143.4MB in the end (delta: -37.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 04:04:07,180 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.43ms. Allocated memory is still 180.4MB. Free memory was 143.4MB in the beginning and 141.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 04:04:07,180 INFO L158 Benchmark]: Boogie Preprocessor took 27.55ms. Allocated memory is still 180.4MB. Free memory was 141.8MB in the beginning and 140.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 04:04:07,180 INFO L158 Benchmark]: IcfgBuilder took 409.25ms. Allocated memory is still 180.4MB. Free memory was 140.5MB in the beginning and 125.8MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-17 04:04:07,180 INFO L158 Benchmark]: TraceAbstraction took 42087.71ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 125.1MB in the beginning and 76.0MB in the end (delta: 49.0MB). Peak memory consumption was 89.4MB. Max. memory is 16.1GB. [2024-11-17 04:04:07,181 INFO L158 Benchmark]: Witness Printer took 50.42ms. Allocated memory is still 218.1MB. Free memory was 76.0MB in the beginning and 72.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 04:04:07,182 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.14ms. Allocated memory is still 180.4MB. Free memory is still 152.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.77ms. Allocated memory is still 180.4MB. Free memory was 106.4MB in the beginning and 143.4MB in the end (delta: -37.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.43ms. Allocated memory is still 180.4MB. Free memory was 143.4MB in the beginning and 141.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.55ms. Allocated memory is still 180.4MB. Free memory was 141.8MB in the beginning and 140.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 409.25ms. Allocated memory is still 180.4MB. Free memory was 140.5MB in the beginning and 125.8MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 42087.71ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 125.1MB in the beginning and 76.0MB in the end (delta: 49.0MB). Peak memory consumption was 89.4MB. Max. memory is 16.1GB. * Witness Printer took 50.42ms. Allocated memory is still 218.1MB. Free memory was 76.0MB in the beginning and 72.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 33]: integer overflow possible integer overflow possible We found a FailurePath: [L19] int a, b, p, q, r, s; [L20] int x, y; [L21] x = __VERIFIER_nondet_int() [L22] y = __VERIFIER_nondet_int() [L25] COND TRUE x>=1 && y>=1 [L26] a = x [L27] b = y [L28] p = 1 [L29] q = 0 [L30] r = 0 [L31] s = 1 VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L33] EXPR y * r VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L33] EXPR x * p VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L33] EXPR y * r + x * p VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L33] EXPR x * q VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L33] EXPR y * s VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L33] EXPR x * q + y * s VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L33] COND TRUE y * r + x * p != x * q + y * s VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L38] COND FALSE !(a > b) VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L43] EXPR b - a VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L43] b = b - a VAL [a=1073741824, b=1, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L44] EXPR q - p VAL [a=1073741824, b=1, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L44] q = q - p VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L45] EXPR s - r VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L45] s = s - r VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L33] EXPR y * r VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L33] EXPR x * p VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L33] EXPR y * r + x * p VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L33] EXPR x * q VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L33] EXPR y * s VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L33] EXPR x * q + y * s VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L33] COND TRUE y * r + x * p != x * q + y * s VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L38] COND TRUE a > b VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L39] EXPR a - b VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L39] a = a - b VAL [a=1073741823, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L40] EXPR p - q VAL [a=1073741823, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L40] p = p - q VAL [a=1073741823, b=1, p=2, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L41] EXPR r - s VAL [a=1073741823, b=1, p=2, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L41] r = r - s VAL [a=1073741823, b=1, p=2, q=-1, r=-1, s=1, x=1073741824, y=1073741825] [L33] y * r VAL [a=1073741823, b=1, p=2, q=-1, r=-1, s=1, x=1073741824, y=1073741825] [L33] x * p VAL [a=1073741823, b=1, q=-1, r=-1, s=1, y=1073741825] - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 40]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 40]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 64 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 42.0s, OverallIterations: 35, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 19.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 3540 SdHoareTripleChecker+Valid, 17.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3540 mSDsluCounter, 2808 SdHoareTripleChecker+Invalid, 16.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1652 mSDsCounter, 137 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4580 IncrementalHoareTripleChecker+Invalid, 4718 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 137 mSolverCounterUnsat, 1156 mSDtfsCounter, 4580 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1312 GetRequests, 1087 SyntacticMatches, 1 SemanticMatches, 224 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 649 ImplicationChecksByTransitivity, 6.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=874occurred in iteration=33, InterpolantAutomatonStates: 213, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 34 MinimizatonAttempts, 791 StatesRemovedByMinimization, 31 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 15.0s InterpolantComputationTime, 1754 NumberOfCodeBlocks, 1754 NumberOfCodeBlocksAsserted, 63 NumberOfCheckSat, 1620 ConstructedInterpolants, 161 QuantifiedInterpolants, 15921 SizeOfPredicates, 35 NumberOfNonLiveVariables, 1257 ConjunctsInSsa, 188 ConjunctsInUnsatCore, 53 InterpolantComputations, 21 PerfectInterpolantSequences, 49/442 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-17 04:04:07,216 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)