./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted/Collatz_bounded.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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-crafted/Collatz_bounded.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fb8f212b8045dc9be8518316cbae752ce6111a4a93244dc89f86b0ea27a978ef --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 03:54:28,221 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 03:54:28,280 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-17 03:54:28,308 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 03:54:28,308 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 03:54:28,351 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 03:54:28,352 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 03:54:28,352 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 03:54:28,353 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 03:54:28,354 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 03:54:28,354 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 03:54:28,355 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 03:54:28,355 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 03:54:28,356 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 03:54:28,357 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 03:54:28,357 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 03:54:28,357 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 03:54:28,357 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 03:54:28,358 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 03:54:28,358 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 03:54:28,361 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 03:54:28,361 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 03:54:28,361 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 03:54:28,361 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 03:54:28,362 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 03:54:28,362 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 03:54:28,362 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 03:54:28,362 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 03:54:28,362 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 03:54:28,362 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 03:54:28,363 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 03:54:28,363 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:54:28,363 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 03:54:28,363 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 03:54:28,363 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 03:54:28,363 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 03:54:28,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 03:54:28,364 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 03:54:28,364 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 03:54:28,365 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 03:54:28,365 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 03:54:28,365 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb8f212b8045dc9be8518316cbae752ce6111a4a93244dc89f86b0ea27a978ef [2024-11-17 03:54:28,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 03:54:28,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 03:54:28,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 03:54:28,598 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 03:54:28,599 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 03:54:28,599 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Collatz_bounded.c [2024-11-17 03:54:30,044 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 03:54:30,193 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 03:54:30,193 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Collatz_bounded.c [2024-11-17 03:54:30,199 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2c5f2853/4f10a1b5f8764059bf40654bdd35bcf2/FLAG9f0b615ac [2024-11-17 03:54:30,210 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2c5f2853/4f10a1b5f8764059bf40654bdd35bcf2 [2024-11-17 03:54:30,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 03:54:30,212 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 03:54:30,214 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 03:54:30,214 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 03:54:30,218 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 03:54:30,218 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:54:30" (1/1) ... [2024-11-17 03:54:30,219 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5af2c0ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:54:30, skipping insertion in model container [2024-11-17 03:54:30,219 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:54:30" (1/1) ... [2024-11-17 03:54:30,231 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 03:54:30,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:54:30,370 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 03:54:30,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:54:30,392 INFO L204 MainTranslator]: Completed translation [2024-11-17 03:54:30,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:54:30 WrapperNode [2024-11-17 03:54:30,393 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 03:54:30,394 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 03:54:30,394 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 03:54:30,394 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 03:54:30,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:54:30" (1/1) ... [2024-11-17 03:54:30,403 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:54:30" (1/1) ... [2024-11-17 03:54:30,418 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2024-11-17 03:54:30,419 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 03:54:30,420 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 03:54:30,420 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 03:54:30,420 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 03:54:30,428 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:54:30" (1/1) ... [2024-11-17 03:54:30,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:54:30" (1/1) ... [2024-11-17 03:54:30,429 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:54:30" (1/1) ... [2024-11-17 03:54:30,438 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-17 03:54:30,438 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:54:30" (1/1) ... [2024-11-17 03:54:30,438 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:54:30" (1/1) ... [2024-11-17 03:54:30,440 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:54:30" (1/1) ... [2024-11-17 03:54:30,440 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:54:30" (1/1) ... [2024-11-17 03:54:30,440 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:54:30" (1/1) ... [2024-11-17 03:54:30,441 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:54:30" (1/1) ... [2024-11-17 03:54:30,443 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 03:54:30,444 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 03:54:30,444 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 03:54:30,445 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 03:54:30,445 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:54:30" (1/1) ... [2024-11-17 03:54:30,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:54:30,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:54:30,494 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 03:54:30,503 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 03:54:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 03:54:30,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 03:54:30,659 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 03:54:30,667 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 03:54:30,850 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-17 03:54:30,850 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 03:54:30,877 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 03:54:30,877 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 03:54:30,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:54:30 BoogieIcfgContainer [2024-11-17 03:54:30,878 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 03:54:30,886 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 03:54:30,886 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 03:54:30,888 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 03:54:30,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 03:54:30" (1/3) ... [2024-11-17 03:54:30,889 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@db9c8cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:54:30, skipping insertion in model container [2024-11-17 03:54:30,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:54:30" (2/3) ... [2024-11-17 03:54:30,892 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@db9c8cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:54:30, skipping insertion in model container [2024-11-17 03:54:30,893 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:54:30" (3/3) ... [2024-11-17 03:54:30,894 INFO L112 eAbstractionObserver]: Analyzing ICFG Collatz_bounded.c [2024-11-17 03:54:30,913 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 03:54:30,913 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-17 03:54:30,983 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 03:54:30,989 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;@2165f67f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 03:54:30,989 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-17 03:54:30,993 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.588235294117647) internal successors, (27), 23 states have internal predecessors, (27), 0 states have call successors, (0), 0 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 03:54:30,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-17 03:54:30,998 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:54:30,998 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:54:30,999 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:54:31,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:54:31,003 INFO L85 PathProgramCache]: Analyzing trace with hash 703697262, now seen corresponding path program 1 times [2024-11-17 03:54:31,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:54:31,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69088011] [2024-11-17 03:54:31,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:54:31,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:54:31,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:54:31,234 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 03:54:31,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:54:31,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69088011] [2024-11-17 03:54:31,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69088011] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:54:31,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:54:31,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:54:31,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435990196] [2024-11-17 03:54:31,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:54:31,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:54:31,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:54:31,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:54:31,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:54:31,283 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.588235294117647) internal successors, (27), 23 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 3.5) 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 03:54:31,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:54:31,336 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2024-11-17 03:54:31,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:54:31,339 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 03:54:31,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:54:31,344 INFO L225 Difference]: With dead ends: 30 [2024-11-17 03:54:31,344 INFO L226 Difference]: Without dead ends: 19 [2024-11-17 03:54:31,346 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 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 03:54:31,349 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 8 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:54:31,350 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 15 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:54:31,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2024-11-17 03:54:31,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 17. [2024-11-17 03:54:31,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 16 states have internal predecessors, (18), 0 states have call successors, (0), 0 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 03:54:31,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2024-11-17 03:54:31,384 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 7 [2024-11-17 03:54:31,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:54:31,384 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2024-11-17 03:54:31,384 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 03:54:31,385 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2024-11-17 03:54:31,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-17 03:54:31,385 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:54:31,385 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:54:31,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 03:54:31,386 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:54:31,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:54:31,386 INFO L85 PathProgramCache]: Analyzing trace with hash 339778616, now seen corresponding path program 1 times [2024-11-17 03:54:31,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:54:31,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172901809] [2024-11-17 03:54:31,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:54:31,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:54:31,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:54:31,535 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 03:54:31,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:54:31,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172901809] [2024-11-17 03:54:31,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172901809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:54:31,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:54:31,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 03:54:31,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805808533] [2024-11-17 03:54:31,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:54:31,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 03:54:31,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:54:31,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 03:54:31,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:54:31,539 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 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 03:54:31,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:54:31,594 INFO L93 Difference]: Finished difference Result 31 states and 33 transitions. [2024-11-17 03:54:31,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:54:31,595 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 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 03:54:31,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:54:31,596 INFO L225 Difference]: With dead ends: 31 [2024-11-17 03:54:31,596 INFO L226 Difference]: Without dead ends: 28 [2024-11-17 03:54:31,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:54:31,597 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 8 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:54:31,597 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 15 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:54:31,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-11-17 03:54:31,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2024-11-17 03:54:31,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 26 states have internal predecessors, (29), 0 states have call successors, (0), 0 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 03:54:31,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2024-11-17 03:54:31,601 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 8 [2024-11-17 03:54:31,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:54:31,602 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2024-11-17 03:54:31,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 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 03:54:31,602 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2024-11-17 03:54:31,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-17 03:54:31,602 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:54:31,602 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:54:31,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 03:54:31,603 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:54:31,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:54:31,604 INFO L85 PathProgramCache]: Analyzing trace with hash 639047295, now seen corresponding path program 1 times [2024-11-17 03:54:31,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:54:31,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965401386] [2024-11-17 03:54:31,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:54:31,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:54:31,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:54:31,700 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 03:54:31,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:54:31,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965401386] [2024-11-17 03:54:31,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965401386] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:54:31,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [408024533] [2024-11-17 03:54:31,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:54:31,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:54:31,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:54:31,705 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 03:54:31,706 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 03:54:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:54:31,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 03:54:31,738 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:54:31,782 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 03:54:31,783 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:54:31,870 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 03:54:31,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [408024533] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:54:31,871 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:54:31,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 3] total 6 [2024-11-17 03:54:31,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512529453] [2024-11-17 03:54:31,871 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:54:31,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 03:54:31,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:54:31,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 03:54:31,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2024-11-17 03:54:31,876 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 0 states have call successors, (0), 0 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 03:54:31,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:54:31,947 INFO L93 Difference]: Finished difference Result 51 states and 58 transitions. [2024-11-17 03:54:31,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 03:54:31,948 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 0 states have call successors, (0), 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 03:54:31,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:54:31,948 INFO L225 Difference]: With dead ends: 51 [2024-11-17 03:54:31,948 INFO L226 Difference]: Without dead ends: 48 [2024-11-17 03:54:31,949 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-11-17 03:54:31,950 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 22 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:54:31,950 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 13 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:54:31,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-17 03:54:31,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 37. [2024-11-17 03:54:31,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 35 states have (on average 1.1428571428571428) internal successors, (40), 36 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:54:31,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 40 transitions. [2024-11-17 03:54:31,955 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 40 transitions. Word has length 16 [2024-11-17 03:54:31,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:54:31,955 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 40 transitions. [2024-11-17 03:54:31,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 0 states have call successors, (0), 0 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 03:54:31,956 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2024-11-17 03:54:31,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-17 03:54:31,956 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:54:31,956 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-17 03:54:31,969 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-17 03:54:32,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:54:32,161 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:54:32,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:54:32,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1110548825, now seen corresponding path program 1 times [2024-11-17 03:54:32,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:54:32,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557864807] [2024-11-17 03:54:32,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:54:32,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:54:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:54:32,220 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:54:32,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:54:32,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557864807] [2024-11-17 03:54:32,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557864807] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:54:32,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2022323665] [2024-11-17 03:54:32,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:54:32,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:54:32,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:54:32,225 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 03:54:32,230 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 03:54:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:54:32,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 03:54:32,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:54:32,306 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:54:32,307 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:54:32,419 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:54:32,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2022323665] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:54:32,419 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:54:32,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-17 03:54:32,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128002838] [2024-11-17 03:54:32,420 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:54:32,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 03:54:32,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:54:32,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 03:54:32,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-17 03:54:32,422 INFO L87 Difference]: Start difference. First operand 37 states and 40 transitions. Second operand has 8 states, 7 states have (on average 6.571428571428571) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 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 03:54:32,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:54:32,529 INFO L93 Difference]: Finished difference Result 80 states and 93 transitions. [2024-11-17 03:54:32,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 03:54:32,529 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.571428571428571) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2024-11-17 03:54:32,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:54:32,530 INFO L225 Difference]: With dead ends: 80 [2024-11-17 03:54:32,530 INFO L226 Difference]: Without dead ends: 78 [2024-11-17 03:54:32,530 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-17 03:54:32,531 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 33 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:54:32,532 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 15 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:54:32,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-17 03:54:32,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-17 03:54:32,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.103896103896104) internal successors, (85), 77 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:54:32,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 85 transitions. [2024-11-17 03:54:32,537 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 85 transitions. Word has length 24 [2024-11-17 03:54:32,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:54:32,537 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 85 transitions. [2024-11-17 03:54:32,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.571428571428571) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 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 03:54:32,538 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 85 transitions. [2024-11-17 03:54:32,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-17 03:54:32,539 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:54:32,539 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 1, 1, 1, 1] [2024-11-17 03:54:32,556 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 03:54:32,739 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,SelfDestructingSolverStorable3 [2024-11-17 03:54:32,740 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:54:32,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:54:32,741 INFO L85 PathProgramCache]: Analyzing trace with hash 494880195, now seen corresponding path program 2 times [2024-11-17 03:54:32,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:54:32,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496805325] [2024-11-17 03:54:32,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:54:32,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:54:32,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:54:32,894 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:54:32,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:54:32,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496805325] [2024-11-17 03:54:32,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496805325] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:54:32,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1527090417] [2024-11-17 03:54:32,897 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 03:54:32,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:54:32,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:54:32,899 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 03:54:32,903 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 03:54:32,931 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 03:54:32,931 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:54:32,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 03:54:32,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:54:33,000 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:54:33,000 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:54:33,107 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:54:33,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1527090417] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:54:33,109 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:54:33,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2024-11-17 03:54:33,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058597056] [2024-11-17 03:54:33,109 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:54:33,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-17 03:54:33,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:54:33,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-17 03:54:33,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2024-11-17 03:54:33,111 INFO L87 Difference]: Start difference. First operand 78 states and 85 transitions. Second operand has 16 states, 15 states have (on average 7.333333333333333) internal successors, (110), 16 states have internal predecessors, (110), 0 states have call successors, (0), 0 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 03:54:33,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:54:33,312 INFO L93 Difference]: Finished difference Result 167 states and 185 transitions. [2024-11-17 03:54:33,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-17 03:54:33,313 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 7.333333333333333) internal successors, (110), 16 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2024-11-17 03:54:33,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:54:33,314 INFO L225 Difference]: With dead ends: 167 [2024-11-17 03:54:33,314 INFO L226 Difference]: Without dead ends: 166 [2024-11-17 03:54:33,314 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 103 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2024-11-17 03:54:33,315 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 78 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 03:54:33,315 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 25 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 03:54:33,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-17 03:54:33,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 146. [2024-11-17 03:54:33,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 145 states have (on average 1.110344827586207) internal successors, (161), 145 states have internal predecessors, (161), 0 states have call successors, (0), 0 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 03:54:33,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 161 transitions. [2024-11-17 03:54:33,327 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 161 transitions. Word has length 56 [2024-11-17 03:54:33,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:54:33,328 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 161 transitions. [2024-11-17 03:54:33,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 7.333333333333333) internal successors, (110), 16 states have internal predecessors, (110), 0 states have call successors, (0), 0 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 03:54:33,328 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 161 transitions. [2024-11-17 03:54:33,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-17 03:54:33,329 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:54:33,330 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 1, 1, 1, 1] [2024-11-17 03:54:33,343 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-17 03:54:33,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:54:33,531 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:54:33,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:54:33,531 INFO L85 PathProgramCache]: Analyzing trace with hash -300781743, now seen corresponding path program 3 times [2024-11-17 03:54:33,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:54:33,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037216147] [2024-11-17 03:54:33,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:54:33,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:54:33,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:54:33,842 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 81 proven. 1 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2024-11-17 03:54:33,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:54:33,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037216147] [2024-11-17 03:54:33,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037216147] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:54:33,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [92022140] [2024-11-17 03:54:33,843 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 03:54:33,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:54:33,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:54:33,846 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 03:54:33,848 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 03:54:33,890 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-17 03:54:33,890 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:54:33,890 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 03:54:33,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:54:33,970 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2024-11-17 03:54:33,970 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:54:33,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [92022140] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:54:33,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 03:54:33,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-17 03:54:33,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317676604] [2024-11-17 03:54:33,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:54:33,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 03:54:33,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:54:33,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 03:54:33,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-17 03:54:33,973 INFO L87 Difference]: Start difference. First operand 146 states and 161 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:54:34,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:54:34,016 INFO L93 Difference]: Finished difference Result 309 states and 341 transitions. [2024-11-17 03:54:34,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 03:54:34,017 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2024-11-17 03:54:34,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:54:34,018 INFO L225 Difference]: With dead ends: 309 [2024-11-17 03:54:34,018 INFO L226 Difference]: Without dead ends: 183 [2024-11-17 03:54:34,022 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 72 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-17 03:54:34,023 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 7 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:54:34,023 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 10 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:54:34,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-17 03:54:34,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 138. [2024-11-17 03:54:34,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 137 states have (on average 1.0802919708029197) internal successors, (148), 137 states have internal predecessors, (148), 0 states have call successors, (0), 0 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 03:54:34,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 148 transitions. [2024-11-17 03:54:34,049 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 148 transitions. Word has length 72 [2024-11-17 03:54:34,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:54:34,049 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 148 transitions. [2024-11-17 03:54:34,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:54:34,049 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 148 transitions. [2024-11-17 03:54:34,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-17 03:54:34,051 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:54:34,052 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1] [2024-11-17 03:54:34,077 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 03:54:34,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:54:34,253 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:54:34,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:54:34,253 INFO L85 PathProgramCache]: Analyzing trace with hash 134488557, now seen corresponding path program 1 times [2024-11-17 03:54:34,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:54:34,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015595444] [2024-11-17 03:54:34,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:54:34,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:54:34,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:54:35,995 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 34 proven. 785 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:54:35,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:54:35,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015595444] [2024-11-17 03:54:35,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015595444] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:54:35,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079886054] [2024-11-17 03:54:35,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:54:35,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:54:35,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:54:35,998 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 03:54:35,999 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 03:54:36,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:54:36,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-17 03:54:36,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:54:36,653 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 34 proven. 785 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:54:36,653 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:54:37,723 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 51 proven. 768 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:54:37,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1079886054] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:54:37,724 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:54:37,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 29, 20] total 81 [2024-11-17 03:54:37,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680722575] [2024-11-17 03:54:37,724 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:54:37,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2024-11-17 03:54:37,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:54:37,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2024-11-17 03:54:37,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2832, Invalid=3810, Unknown=0, NotChecked=0, Total=6642 [2024-11-17 03:54:37,729 INFO L87 Difference]: Start difference. First operand 138 states and 148 transitions. Second operand has 82 states, 81 states have (on average 4.592592592592593) internal successors, (372), 82 states have internal predecessors, (372), 0 states have call successors, (0), 0 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 03:54:38,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:54:38,671 INFO L93 Difference]: Finished difference Result 1232 states and 1356 transitions. [2024-11-17 03:54:38,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-11-17 03:54:38,672 INFO L78 Accepts]: Start accepts. Automaton has has 82 states, 81 states have (on average 4.592592592592593) internal successors, (372), 82 states have internal predecessors, (372), 0 states have call successors, (0), 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 134 [2024-11-17 03:54:38,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:54:38,679 INFO L225 Difference]: With dead ends: 1232 [2024-11-17 03:54:38,679 INFO L226 Difference]: Without dead ends: 1231 [2024-11-17 03:54:38,681 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 222 SyntacticMatches, 11 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4710 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=3573, Invalid=4799, Unknown=0, NotChecked=0, Total=8372 [2024-11-17 03:54:38,681 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 407 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 03:54:38,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 71 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 03:54:38,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1231 states. [2024-11-17 03:54:38,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1231 to 364. [2024-11-17 03:54:38,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 363 states have (on average 1.09366391184573) internal successors, (397), 363 states have internal predecessors, (397), 0 states have call successors, (0), 0 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 03:54:38,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 397 transitions. [2024-11-17 03:54:38,715 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 397 transitions. Word has length 134 [2024-11-17 03:54:38,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:54:38,715 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 397 transitions. [2024-11-17 03:54:38,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 81 states have (on average 4.592592592592593) internal successors, (372), 82 states have internal predecessors, (372), 0 states have call successors, (0), 0 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 03:54:38,715 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 397 transitions. [2024-11-17 03:54:38,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2024-11-17 03:54:38,721 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:54:38,721 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 21, 21, 20, 20, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1] [2024-11-17 03:54:38,735 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 03:54:38,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:54:38,923 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:54:38,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:54:38,923 INFO L85 PathProgramCache]: Analyzing trace with hash 2032908073, now seen corresponding path program 2 times [2024-11-17 03:54:38,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:54:38,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670130087] [2024-11-17 03:54:38,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:54:38,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:54:39,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:54:45,560 INFO L134 CoverageAnalysis]: Checked inductivity of 4020 backedges. 78 proven. 3942 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:54:45,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:54:45,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670130087] [2024-11-17 03:54:45,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670130087] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:54:45,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1773149945] [2024-11-17 03:54:45,564 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 03:54:45,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:54:45,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:54:45,567 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 03:54:45,568 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 03:54:45,634 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 03:54:45,634 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:54:45,636 INFO L255 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 62 conjuncts are in the unsatisfiable core [2024-11-17 03:54:45,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:54:47,316 INFO L134 CoverageAnalysis]: Checked inductivity of 4020 backedges. 78 proven. 3942 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:54:47,316 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:54:48,970 INFO L134 CoverageAnalysis]: Checked inductivity of 4020 backedges. 117 proven. 3903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:54:48,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1773149945] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:54:48,971 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:54:48,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [82, 62, 42] total 179 [2024-11-17 03:54:48,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582216206] [2024-11-17 03:54:48,971 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:54:48,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 180 states [2024-11-17 03:54:48,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:54:48,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 180 interpolants. [2024-11-17 03:54:48,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12853, Invalid=19367, Unknown=0, NotChecked=0, Total=32220 [2024-11-17 03:54:48,986 INFO L87 Difference]: Start difference. First operand 364 states and 397 transitions. Second operand has 180 states, 179 states have (on average 4.659217877094972) internal successors, (834), 180 states have internal predecessors, (834), 0 states have call successors, (0), 0 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 03:54:53,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:54:53,402 INFO L93 Difference]: Finished difference Result 8704 states and 9512 transitions. [2024-11-17 03:54:53,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-11-17 03:54:53,403 INFO L78 Accepts]: Start accepts. Automaton has has 180 states, 179 states have (on average 4.659217877094972) internal successors, (834), 180 states have internal predecessors, (834), 0 states have call successors, (0), 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 288 [2024-11-17 03:54:53,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:54:53,422 INFO L225 Difference]: With dead ends: 8704 [2024-11-17 03:54:53,422 INFO L226 Difference]: Without dead ends: 8703 [2024-11-17 03:54:53,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 736 GetRequests, 474 SyntacticMatches, 24 SemanticMatches, 238 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32831 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=21794, Invalid=35566, Unknown=0, NotChecked=0, Total=57360 [2024-11-17 03:54:53,429 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 899 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 1701 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 899 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 1793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 1701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-17 03:54:53,430 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [899 Valid, 188 Invalid, 1793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 1701 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-17 03:54:53,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8703 states. [2024-11-17 03:54:53,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8703 to 682. [2024-11-17 03:54:53,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 682 states, 681 states have (on average 1.0866372980910426) internal successors, (740), 681 states have internal predecessors, (740), 0 states have call successors, (0), 0 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 03:54:53,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 740 transitions. [2024-11-17 03:54:53,536 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 740 transitions. Word has length 288 [2024-11-17 03:54:53,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:54:53,537 INFO L471 AbstractCegarLoop]: Abstraction has 682 states and 740 transitions. [2024-11-17 03:54:53,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 180 states, 179 states have (on average 4.659217877094972) internal successors, (834), 180 states have internal predecessors, (834), 0 states have call successors, (0), 0 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 03:54:53,537 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 740 transitions. [2024-11-17 03:54:53,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2024-11-17 03:54:53,540 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:54:53,540 INFO L215 NwaCegarLoop]: trace histogram [45, 45, 23, 23, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1] [2024-11-17 03:54:53,552 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 03:54:53,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:54:53,745 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:54:53,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:54:53,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1305950865, now seen corresponding path program 3 times [2024-11-17 03:54:53,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:54:53,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910427317] [2024-11-17 03:54:53,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:54:53,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:54:54,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:55:52,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4862 backedges. 94 proven. 4768 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:55:52,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:55:52,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910427317] [2024-11-17 03:55:52,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910427317] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:55:52,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2028489001] [2024-11-17 03:55:52,564 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 03:55:52,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:55:52,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:55:52,566 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 03:55:52,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process