./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/loop-zilu/benchmark23_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc 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/loop-zilu/benchmark23_conjunctive.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c8661b1e533413e4de6576c4feab251d05a672526bd5f59b260c6cb9f9c05939 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 10:25:43,491 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 10:25:43,549 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 10:25:43,554 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 10:25:43,554 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 10:25:43,587 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 10:25:43,590 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 10:25:43,591 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 10:25:43,591 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 10:25:43,591 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 10:25:43,595 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 10:25:43,595 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 10:25:43,596 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 10:25:43,596 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 10:25:43,596 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 10:25:43,596 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 10:25:43,597 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 10:25:43,597 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 10:25:43,597 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 10:25:43,597 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 10:25:43,598 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 10:25:43,598 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 10:25:43,600 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 10:25:43,600 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 10:25:43,600 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 10:25:43,601 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 10:25:43,601 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 10:25:43,601 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 10:25:43,601 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 10:25:43,601 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 10:25:43,601 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 10:25:43,602 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 10:25:43,602 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 10:25:43,602 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 10:25:43,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:25:43,602 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 10:25:43,603 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 10:25:43,603 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 10:25:43,603 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 10:25:43,604 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 10:25:43,604 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 10:25:43,604 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 10:25:43,604 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 10:25:43,604 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 10:25:43,605 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8661b1e533413e4de6576c4feab251d05a672526bd5f59b260c6cb9f9c05939 [2024-11-19 10:25:43,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 10:25:43,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 10:25:43,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 10:25:43,856 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 10:25:43,860 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 10:25:43,861 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-zilu/benchmark23_conjunctive.i [2024-11-19 10:25:45,193 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 10:25:45,314 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 10:25:45,314 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark23_conjunctive.i [2024-11-19 10:25:45,323 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5da9a6829/200e99263a3f443cabc0604ea10047c3/FLAG85469198b [2024-11-19 10:25:45,335 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5da9a6829/200e99263a3f443cabc0604ea10047c3 [2024-11-19 10:25:45,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 10:25:45,338 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 10:25:45,339 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 10:25:45,339 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 10:25:45,343 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 10:25:45,343 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:25:45" (1/1) ... [2024-11-19 10:25:45,344 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c7b073 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:25:45, skipping insertion in model container [2024-11-19 10:25:45,344 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:25:45" (1/1) ... [2024-11-19 10:25:45,357 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 10:25:45,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:25:45,484 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 10:25:45,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:25:45,504 INFO L204 MainTranslator]: Completed translation [2024-11-19 10:25:45,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:25:45 WrapperNode [2024-11-19 10:25:45,505 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 10:25:45,505 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 10:25:45,506 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 10:25:45,506 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 10:25:45,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:25:45" (1/1) ... [2024-11-19 10:25:45,514 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:25:45" (1/1) ... [2024-11-19 10:25:45,525 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 39 [2024-11-19 10:25:45,525 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 10:25:45,526 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 10:25:45,526 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 10:25:45,526 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 10:25:45,535 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:25:45" (1/1) ... [2024-11-19 10:25:45,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:25:45" (1/1) ... [2024-11-19 10:25:45,536 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:25:45" (1/1) ... [2024-11-19 10:25:45,543 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-19 10:25:45,543 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:25:45" (1/1) ... [2024-11-19 10:25:45,544 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:25:45" (1/1) ... [2024-11-19 10:25:45,545 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:25:45" (1/1) ... [2024-11-19 10:25:45,547 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:25:45" (1/1) ... [2024-11-19 10:25:45,547 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:25:45" (1/1) ... [2024-11-19 10:25:45,548 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:25:45" (1/1) ... [2024-11-19 10:25:45,549 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 10:25:45,549 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 10:25:45,549 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 10:25:45,550 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 10:25:45,550 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:25:45" (1/1) ... [2024-11-19 10:25:45,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:25:45,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:25:45,585 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) [2024-11-19 10:25:45,590 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 [2024-11-19 10:25:45,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 10:25:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 10:25:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 10:25:45,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 10:25:45,673 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 10:25:45,674 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 10:25:45,776 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-19 10:25:45,776 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 10:25:45,788 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 10:25:45,788 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 10:25:45,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:25:45 BoogieIcfgContainer [2024-11-19 10:25:45,789 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 10:25:45,792 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 10:25:45,792 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 10:25:45,795 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 10:25:45,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:25:45" (1/3) ... [2024-11-19 10:25:45,795 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1879b15e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:25:45, skipping insertion in model container [2024-11-19 10:25:45,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:25:45" (2/3) ... [2024-11-19 10:25:45,796 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1879b15e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:25:45, skipping insertion in model container [2024-11-19 10:25:45,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:25:45" (3/3) ... [2024-11-19 10:25:45,797 INFO L112 eAbstractionObserver]: Analyzing ICFG benchmark23_conjunctive.i [2024-11-19 10:25:45,809 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 10:25:45,809 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-19 10:25:45,852 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 10:25:45,860 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;@66ca64ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 10:25:45,860 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-19 10:25:45,863 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 15 states have (on average 1.6) internal successors, (24), 19 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:25:45,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-19 10:25:45,872 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:25:45,874 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-19 10:25:45,875 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:25:45,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:25:45,881 INFO L85 PathProgramCache]: Analyzing trace with hash 28695973, now seen corresponding path program 1 times [2024-11-19 10:25:45,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:25:45,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571210744] [2024-11-19 10:25:45,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:25:45,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:25:45,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:25:46,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:25:46,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:25:46,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571210744] [2024-11-19 10:25:46,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571210744] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:25:46,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:25:46,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:25:46,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246793397] [2024-11-19 10:25:46,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:25:46,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:25:46,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:25:46,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:25:46,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:25:46,053 INFO L87 Difference]: Start difference. First operand has 20 states, 15 states have (on average 1.6) internal successors, (24), 19 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:25:46,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:25:46,077 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2024-11-19 10:25:46,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:25:46,079 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-19 10:25:46,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:25:46,084 INFO L225 Difference]: With dead ends: 27 [2024-11-19 10:25:46,084 INFO L226 Difference]: Without dead ends: 11 [2024-11-19 10:25:46,086 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:25:46,090 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 6 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:25:46,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 18 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:25:46,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2024-11-19 10:25:46,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2024-11-19 10:25:46,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:25:46,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-19 10:25:46,113 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 5 [2024-11-19 10:25:46,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:25:46,114 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2024-11-19 10:25:46,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:25:46,114 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-19 10:25:46,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-19 10:25:46,114 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:25:46,115 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-19 10:25:46,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 10:25:46,115 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:25:46,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:25:46,116 INFO L85 PathProgramCache]: Analyzing trace with hash 889575213, now seen corresponding path program 1 times [2024-11-19 10:25:46,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:25:46,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756679364] [2024-11-19 10:25:46,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:25:46,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:25:46,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:25:46,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:25:46,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:25:46,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756679364] [2024-11-19 10:25:46,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756679364] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:25:46,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:25:46,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:25:46,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096946647] [2024-11-19 10:25:46,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:25:46,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:25:46,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:25:46,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:25:46,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:25:46,155 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:25:46,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:25:46,164 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2024-11-19 10:25:46,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:25:46,164 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-19 10:25:46,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:25:46,165 INFO L225 Difference]: With dead ends: 15 [2024-11-19 10:25:46,165 INFO L226 Difference]: Without dead ends: 14 [2024-11-19 10:25:46,165 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:25:46,166 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:25:46,166 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 15 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:25:46,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2024-11-19 10:25:46,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-19 10:25:46,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:25:46,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2024-11-19 10:25:46,169 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 6 [2024-11-19 10:25:46,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:25:46,170 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2024-11-19 10:25:46,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:25:46,170 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2024-11-19 10:25:46,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-19 10:25:46,170 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:25:46,170 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:25:46,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 10:25:46,171 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:25:46,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:25:46,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1807027879, now seen corresponding path program 1 times [2024-11-19 10:25:46,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:25:46,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021834493] [2024-11-19 10:25:46,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:25:46,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:25:46,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:25:46,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:25:46,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:25:46,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021834493] [2024-11-19 10:25:46,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021834493] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:25:46,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:25:46,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:25:46,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863318307] [2024-11-19 10:25:46,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:25:46,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:25:46,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:25:46,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:25:46,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:25:46,265 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:25:46,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:25:46,277 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2024-11-19 10:25:46,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:25:46,278 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-19 10:25:46,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:25:46,278 INFO L225 Difference]: With dead ends: 14 [2024-11-19 10:25:46,278 INFO L226 Difference]: Without dead ends: 13 [2024-11-19 10:25:46,279 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:25:46,280 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 2 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:25:46,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 10 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:25:46,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-19 10:25:46,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-19 10:25:46,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:25:46,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2024-11-19 10:25:46,284 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 7 [2024-11-19 10:25:46,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:25:46,284 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2024-11-19 10:25:46,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:25:46,284 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2024-11-19 10:25:46,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-19 10:25:46,285 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:25:46,285 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:25:46,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 10:25:46,285 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:25:46,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:25:46,286 INFO L85 PathProgramCache]: Analyzing trace with hash 183289455, now seen corresponding path program 1 times [2024-11-19 10:25:46,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:25:46,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717479250] [2024-11-19 10:25:46,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:25:46,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:25:46,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:25:46,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:25:46,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:25:46,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717479250] [2024-11-19 10:25:46,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717479250] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:25:46,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:25:46,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:25:46,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942994023] [2024-11-19 10:25:46,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:25:46,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:25:46,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:25:46,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:25:46,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:25:46,339 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:25:46,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:25:46,353 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2024-11-19 10:25:46,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:25:46,354 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-19 10:25:46,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:25:46,354 INFO L225 Difference]: With dead ends: 16 [2024-11-19 10:25:46,354 INFO L226 Difference]: Without dead ends: 15 [2024-11-19 10:25:46,355 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:25:46,355 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:25:46,356 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:25:46,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-19 10:25:46,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-19 10:25:46,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:25:46,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2024-11-19 10:25:46,359 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 8 [2024-11-19 10:25:46,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:25:46,359 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2024-11-19 10:25:46,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:25:46,359 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2024-11-19 10:25:46,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-19 10:25:46,360 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:25:46,360 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:25:46,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 10:25:46,360 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:25:46,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:25:46,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1472766433, now seen corresponding path program 1 times [2024-11-19 10:25:46,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:25:46,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390950282] [2024-11-19 10:25:46,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:25:46,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:25:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:25:46,395 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:25:46,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:25:46,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390950282] [2024-11-19 10:25:46,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390950282] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:25:46,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184233281] [2024-11-19 10:25:46,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:25:46,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:25:46,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:25:46,397 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) [2024-11-19 10:25:46,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 10:25:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:25:46,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:25:46,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:25:46,485 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:25:46,486 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:25:46,511 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:25:46,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [184233281] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:25:46,514 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:25:46,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-19 10:25:46,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057644192] [2024-11-19 10:25:46,514 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:25:46,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:25:46,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:25:46,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:25:46,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:25:46,515 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:25:46,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:25:46,548 INFO L93 Difference]: Finished difference Result 31 states and 33 transitions. [2024-11-19 10:25:46,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:25:46,550 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-19 10:25:46,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:25:46,551 INFO L225 Difference]: With dead ends: 31 [2024-11-19 10:25:46,551 INFO L226 Difference]: Without dead ends: 30 [2024-11-19 10:25:46,551 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:25:46,552 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 4 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:25:46,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 26 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:25:46,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-11-19 10:25:46,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2024-11-19 10:25:46,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 27 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:25:46,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2024-11-19 10:25:46,561 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 11 [2024-11-19 10:25:46,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:25:46,561 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2024-11-19 10:25:46,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:25:46,561 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2024-11-19 10:25:46,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-19 10:25:46,562 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:25:46,562 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-19 10:25:46,583 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 10:25:46,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:25:46,763 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:25:46,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:25:46,763 INFO L85 PathProgramCache]: Analyzing trace with hash -2010663901, now seen corresponding path program 1 times [2024-11-19 10:25:46,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:25:46,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448706858] [2024-11-19 10:25:46,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:25:46,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:25:46,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:25:46,812 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:25:46,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:25:46,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448706858] [2024-11-19 10:25:46,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448706858] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:25:46,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:25:46,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:25:46,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597523785] [2024-11-19 10:25:46,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:25:46,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:25:46,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:25:46,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:25:46,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:25:46,815 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:25:46,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:25:46,831 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2024-11-19 10:25:46,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:25:46,833 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-19 10:25:46,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:25:46,833 INFO L225 Difference]: With dead ends: 28 [2024-11-19 10:25:46,833 INFO L226 Difference]: Without dead ends: 27 [2024-11-19 10:25:46,833 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:25:46,834 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 1 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:25:46,834 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 10 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:25:46,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-11-19 10:25:46,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2024-11-19 10:25:46,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.0384615384615385) internal successors, (27), 26 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) [2024-11-19 10:25:46,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2024-11-19 10:25:46,840 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 13 [2024-11-19 10:25:46,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:25:46,840 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2024-11-19 10:25:46,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:25:46,840 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2024-11-19 10:25:46,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-19 10:25:46,841 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:25:46,841 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 1, 1, 1, 1] [2024-11-19 10:25:46,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 10:25:46,841 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:25:46,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:25:46,841 INFO L85 PathProgramCache]: Analyzing trace with hash 924342317, now seen corresponding path program 2 times [2024-11-19 10:25:46,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:25:46,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383801055] [2024-11-19 10:25:46,842 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:25:46,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:25:46,863 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:25:46,863 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:25:46,930 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:25:46,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:25:46,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383801055] [2024-11-19 10:25:46,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383801055] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:25:46,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1717812345] [2024-11-19 10:25:46,930 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:25:46,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:25:46,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:25:46,932 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) [2024-11-19 10:25:46,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 10:25:46,977 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:25:46,978 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:25:46,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 10:25:46,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:25:47,027 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:25:47,027 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:25:47,105 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:25:47,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1717812345] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:25:47,107 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:25:47,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-19 10:25:47,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627332658] [2024-11-19 10:25:47,107 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:25:47,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 10:25:47,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:25:47,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 10:25:47,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:25:47,109 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand has 12 states, 11 states have (on average 4.545454545454546) internal successors, (50), 12 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:25:47,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:25:47,147 INFO L93 Difference]: Finished difference Result 58 states and 63 transitions. [2024-11-19 10:25:47,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 10:25:47,148 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.545454545454546) internal successors, (50), 12 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2024-11-19 10:25:47,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:25:47,149 INFO L225 Difference]: With dead ends: 58 [2024-11-19 10:25:47,149 INFO L226 Difference]: Without dead ends: 57 [2024-11-19 10:25:47,150 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:25:47,150 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 2 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:25:47,151 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 40 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:25:47,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-19 10:25:47,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-11-19 10:25:47,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.0178571428571428) internal successors, (57), 56 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:25:47,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 57 transitions. [2024-11-19 10:25:47,156 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 57 transitions. Word has length 26 [2024-11-19 10:25:47,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:25:47,156 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 57 transitions. [2024-11-19 10:25:47,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.545454545454546) internal successors, (50), 12 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:25:47,156 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions. [2024-11-19 10:25:47,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-19 10:25:47,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:25:47,157 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 1, 1, 1, 1] [2024-11-19 10:25:47,172 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 10:25:47,361 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,SelfDestructingSolverStorable6 [2024-11-19 10:25:47,362 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:25:47,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:25:47,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1183028819, now seen corresponding path program 3 times [2024-11-19 10:25:47,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:25:47,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81131737] [2024-11-19 10:25:47,363 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:25:47,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:25:47,385 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-19 10:25:47,385 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:25:47,583 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:25:47,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:25:47,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81131737] [2024-11-19 10:25:47,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81131737] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:25:47,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521383496] [2024-11-19 10:25:47,584 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:25:47,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:25:47,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:25:47,586 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) [2024-11-19 10:25:47,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 10:25:47,630 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-19 10:25:47,630 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:25:47,631 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-19 10:25:47,633 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:25:47,695 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:25:47,696 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:25:48,085 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:25:48,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [521383496] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:25:48,085 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:25:48,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2024-11-19 10:25:48,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050143598] [2024-11-19 10:25:48,086 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:25:48,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-19 10:25:48,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:25:48,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-19 10:25:48,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-11-19 10:25:48,088 INFO L87 Difference]: Start difference. First operand 57 states and 57 transitions. Second operand has 24 states, 23 states have (on average 4.782608695652174) internal successors, (110), 24 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) [2024-11-19 10:25:48,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:25:48,275 INFO L93 Difference]: Finished difference Result 118 states and 129 transitions. [2024-11-19 10:25:48,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-19 10:25:48,276 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.782608695652174) internal successors, (110), 24 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 [2024-11-19 10:25:48,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:25:48,277 INFO L225 Difference]: With dead ends: 118 [2024-11-19 10:25:48,277 INFO L226 Difference]: Without dead ends: 117 [2024-11-19 10:25:48,277 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-11-19 10:25:48,278 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 2 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:25:48,278 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 76 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:25:48,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-19 10:25:48,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-11-19 10:25:48,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 116 states have (on average 1.0086206896551724) internal successors, (117), 116 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:25:48,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 117 transitions. [2024-11-19 10:25:48,306 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 117 transitions. Word has length 56 [2024-11-19 10:25:48,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:25:48,306 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 117 transitions. [2024-11-19 10:25:48,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.782608695652174) internal successors, (110), 24 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) [2024-11-19 10:25:48,307 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 117 transitions. [2024-11-19 10:25:48,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-19 10:25:48,315 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:25:48,315 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 22, 22, 22, 1, 1, 1, 1] [2024-11-19 10:25:48,328 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 10:25:48,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:25:48,516 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:25:48,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:25:48,516 INFO L85 PathProgramCache]: Analyzing trace with hash 493726893, now seen corresponding path program 4 times [2024-11-19 10:25:48,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:25:48,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337326892] [2024-11-19 10:25:48,517 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:25:48,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:25:48,579 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:25:48,579 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:25:49,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:25:49,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:25:49,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337326892] [2024-11-19 10:25:49,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337326892] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:25:49,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1147616010] [2024-11-19 10:25:49,407 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:25:49,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:25:49,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:25:49,411 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) [2024-11-19 10:25:49,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 10:25:49,479 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:25:49,479 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:25:49,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-19 10:25:49,490 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:25:49,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:25:49,636 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:25:50,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:25:50,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1147616010] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:25:50,349 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:25:50,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2024-11-19 10:25:50,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047775445] [2024-11-19 10:25:50,349 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:25:50,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-19 10:25:50,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:25:50,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-19 10:25:50,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-11-19 10:25:50,352 INFO L87 Difference]: Start difference. First operand 117 states and 117 transitions. Second operand has 48 states, 47 states have (on average 4.8936170212765955) internal successors, (230), 48 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:25:50,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:25:50,463 INFO L93 Difference]: Finished difference Result 238 states and 261 transitions. [2024-11-19 10:25:50,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-19 10:25:50,464 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 4.8936170212765955) internal successors, (230), 48 states have internal predecessors, (230), 0 states have call successors, (0), 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 116 [2024-11-19 10:25:50,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:25:50,466 INFO L225 Difference]: With dead ends: 238 [2024-11-19 10:25:50,466 INFO L226 Difference]: Without dead ends: 237 [2024-11-19 10:25:50,466 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-11-19 10:25:50,467 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 2 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:25:50,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 151 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:25:50,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-19 10:25:50,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 237. [2024-11-19 10:25:50,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 236 states have (on average 1.0042372881355932) internal successors, (237), 236 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:25:50,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 237 transitions. [2024-11-19 10:25:50,479 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 237 transitions. Word has length 116 [2024-11-19 10:25:50,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:25:50,480 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 237 transitions. [2024-11-19 10:25:50,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 4.8936170212765955) internal successors, (230), 48 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:25:50,480 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 237 transitions. [2024-11-19 10:25:50,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2024-11-19 10:25:50,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:25:50,482 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 46, 46, 46, 1, 1, 1, 1] [2024-11-19 10:25:50,496 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-19 10:25:50,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:25:50,687 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:25:50,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:25:50,688 INFO L85 PathProgramCache]: Analyzing trace with hash 982823597, now seen corresponding path program 5 times [2024-11-19 10:25:50,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:25:50,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148629181] [2024-11-19 10:25:50,688 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 10:25:50,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:25:50,752 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-19 10:25:50,752 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:25:52,464 INFO L134 CoverageAnalysis]: Checked inductivity of 5313 backedges. 0 proven. 5313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:25:52,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:25:52,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148629181] [2024-11-19 10:25:52,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148629181] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:25:52,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639186291] [2024-11-19 10:25:52,465 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 10:25:52,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:25:52,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:25:52,466 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) [2024-11-19 10:25:52,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 10:25:52,592 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-19 10:25:52,592 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:25:52,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-19 10:25:52,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:25:52,868 INFO L134 CoverageAnalysis]: Checked inductivity of 5313 backedges. 0 proven. 5313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:25:52,869 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:25:55,276 INFO L134 CoverageAnalysis]: Checked inductivity of 5313 backedges. 0 proven. 5313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:25:55,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [639186291] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:25:55,276 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:25:55,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2024-11-19 10:25:55,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377956533] [2024-11-19 10:25:55,277 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:25:55,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-11-19 10:25:55,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:25:55,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-11-19 10:25:55,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2024-11-19 10:25:55,282 INFO L87 Difference]: Start difference. First operand 237 states and 237 transitions. Second operand has 96 states, 95 states have (on average 4.947368421052632) internal successors, (470), 96 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:25:55,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:25:55,588 INFO L93 Difference]: Finished difference Result 478 states and 525 transitions. [2024-11-19 10:25:55,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-11-19 10:25:55,589 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 4.947368421052632) internal successors, (470), 96 states have internal predecessors, (470), 0 states have call successors, (0), 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 236 [2024-11-19 10:25:55,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:25:55,591 INFO L225 Difference]: With dead ends: 478 [2024-11-19 10:25:55,591 INFO L226 Difference]: Without dead ends: 477 [2024-11-19 10:25:55,593 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 518 GetRequests, 424 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2024-11-19 10:25:55,593 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 2 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:25:55,593 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 295 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:25:55,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2024-11-19 10:25:55,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 477. [2024-11-19 10:25:55,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 476 states have (on average 1.0021008403361344) internal successors, (477), 476 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:25:55,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 477 transitions. [2024-11-19 10:25:55,618 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 477 transitions. Word has length 236 [2024-11-19 10:25:55,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:25:55,618 INFO L471 AbstractCegarLoop]: Abstraction has 477 states and 477 transitions. [2024-11-19 10:25:55,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 4.947368421052632) internal successors, (470), 96 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:25:55,619 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 477 transitions. [2024-11-19 10:25:55,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2024-11-19 10:25:55,624 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:25:55,624 INFO L215 NwaCegarLoop]: trace histogram [95, 95, 94, 94, 94, 1, 1, 1, 1] [2024-11-19 10:25:55,641 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-19 10:25:55,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-19 10:25:55,829 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:25:55,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:25:55,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1056226989, now seen corresponding path program 6 times [2024-11-19 10:25:55,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:25:55,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037585381] [2024-11-19 10:25:55,830 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 10:25:55,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:25:56,138 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2024-11-19 10:25:56,139 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:01,478 INFO L134 CoverageAnalysis]: Checked inductivity of 22137 backedges. 0 proven. 22137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:01,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:01,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037585381] [2024-11-19 10:26:01,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037585381] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:01,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [661452419] [2024-11-19 10:26:01,478 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 10:26:01,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:01,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:01,480 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) [2024-11-19 10:26:01,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 10:26:01,756 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2024-11-19 10:26:01,756 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:01,762 INFO L255 TraceCheckSpWp]: Trace formula consists of 1062 conjuncts, 96 conjuncts are in the unsatisfiable core [2024-11-19 10:26:01,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:02,182 INFO L134 CoverageAnalysis]: Checked inductivity of 22137 backedges. 0 proven. 22137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:02,183 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:26:10,771 INFO L134 CoverageAnalysis]: Checked inductivity of 22137 backedges. 0 proven. 22137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:10,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [661452419] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:26:10,772 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:26:10,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 191 [2024-11-19 10:26:10,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440764908] [2024-11-19 10:26:10,772 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:26:10,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2024-11-19 10:26:10,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:10,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2024-11-19 10:26:10,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2024-11-19 10:26:10,784 INFO L87 Difference]: Start difference. First operand 477 states and 477 transitions. Second operand has 192 states, 191 states have (on average 4.973821989528796) internal successors, (950), 192 states have internal predecessors, (950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:11,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:11,862 INFO L93 Difference]: Finished difference Result 958 states and 1053 transitions. [2024-11-19 10:26:11,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2024-11-19 10:26:11,863 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 191 states have (on average 4.973821989528796) internal successors, (950), 192 states have internal predecessors, (950), 0 states have call successors, (0), 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 476 [2024-11-19 10:26:11,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:11,866 INFO L225 Difference]: With dead ends: 958 [2024-11-19 10:26:11,866 INFO L226 Difference]: Without dead ends: 957 [2024-11-19 10:26:11,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1046 GetRequests, 856 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.9s TimeCoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2024-11-19 10:26:11,868 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 2 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:11,868 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 584 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:26:11,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 957 states. [2024-11-19 10:26:11,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 957 to 957. [2024-11-19 10:26:11,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 957 states, 956 states have (on average 1.0010460251046025) internal successors, (957), 956 states have internal predecessors, (957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:11,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 957 states and 957 transitions. [2024-11-19 10:26:11,890 INFO L78 Accepts]: Start accepts. Automaton has 957 states and 957 transitions. Word has length 476 [2024-11-19 10:26:11,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:11,890 INFO L471 AbstractCegarLoop]: Abstraction has 957 states and 957 transitions. [2024-11-19 10:26:11,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 191 states have (on average 4.973821989528796) internal successors, (950), 192 states have internal predecessors, (950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:11,891 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 957 transitions. [2024-11-19 10:26:11,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 957 [2024-11-19 10:26:11,909 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:11,909 INFO L215 NwaCegarLoop]: trace histogram [191, 191, 190, 190, 190, 1, 1, 1, 1] [2024-11-19 10:26:11,924 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-19 10:26:12,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:12,114 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:26:12,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:12,115 INFO L85 PathProgramCache]: Analyzing trace with hash 402445997, now seen corresponding path program 7 times [2024-11-19 10:26:12,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:12,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193606380] [2024-11-19 10:26:12,115 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-19 10:26:12,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:12,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:36,064 INFO L134 CoverageAnalysis]: Checked inductivity of 90345 backedges. 0 proven. 90345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:36,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:36,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193606380] [2024-11-19 10:26:36,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193606380] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:36,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [348297770] [2024-11-19 10:26:36,065 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-19 10:26:36,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:36,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:36,066 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) [2024-11-19 10:26:36,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 10:26:36,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:36,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 2118 conjuncts, 202 conjuncts are in the unsatisfiable core [2024-11-19 10:26:36,342 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:59,163 INFO L134 CoverageAnalysis]: Checked inductivity of 90345 backedges. 70140 proven. 0 refuted. 0 times theorem prover too weak. 20205 trivial. 0 not checked. [2024-11-19 10:26:59,164 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:26:59,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [348297770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:59,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:26:59,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [203] imperfect sequences [192] total 394 [2024-11-19 10:26:59,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048301718] [2024-11-19 10:26:59,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:59,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 203 states [2024-11-19 10:26:59,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:59,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 203 interpolants. [2024-11-19 10:26:59,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28930, Invalid=125912, Unknown=0, NotChecked=0, Total=154842 [2024-11-19 10:26:59,185 INFO L87 Difference]: Start difference. First operand 957 states and 957 transitions. Second operand has 203 states, 203 states have (on average 2.5123152709359604) internal successors, (510), 203 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:27:01,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:01,990 INFO L93 Difference]: Finished difference Result 957 states and 957 transitions. [2024-11-19 10:27:01,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2024-11-19 10:27:01,995 INFO L78 Accepts]: Start accepts. Automaton has has 203 states, 203 states have (on average 2.5123152709359604) internal successors, (510), 203 states have internal predecessors, (510), 0 states have call successors, (0), 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 956 [2024-11-19 10:27:01,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:01,996 INFO L225 Difference]: With dead ends: 957 [2024-11-19 10:27:01,996 INFO L226 Difference]: Without dead ends: 0 [2024-11-19 10:27:02,003 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1147 GetRequests, 755 SyntacticMatches, 0 SemanticMatches, 392 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48090 ImplicationChecksByTransitivity, 33.9s TimeCoverageRelationStatistics Valid=28930, Invalid=125912, Unknown=0, NotChecked=0, Total=154842 [2024-11-19 10:27:02,003 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 0 mSDsluCounter, 794 mSDsCounter, 0 mSdLazyCounter, 4126 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 897 SdHoareTripleChecker+Invalid, 4126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:02,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 897 Invalid, 4126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4126 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-19 10:27:02,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-19 10:27:02,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-19 10:27:02,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:27:02,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-19 10:27:02,004 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 956 [2024-11-19 10:27:02,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:02,004 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 10:27:02,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 203 states, 203 states have (on average 2.5123152709359604) internal successors, (510), 203 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:27:02,005 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-19 10:27:02,005 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-19 10:27:02,007 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-19 10:27:02,008 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-19 10:27:02,008 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-19 10:27:02,008 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-19 10:27:02,023 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-19 10:27:02,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:02,214 INFO L407 BasicCegarLoop]: Path program histogram: [7, 1, 1, 1, 1, 1] [2024-11-19 10:27:02,216 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-19 10:27:03,390 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 10:27:03,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 10:27:03 BoogieIcfgContainer [2024-11-19 10:27:03,426 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 10:27:03,427 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 10:27:03,427 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 10:27:03,427 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 10:27:03,427 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:25:45" (3/4) ... [2024-11-19 10:27:03,429 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 10:27:03,434 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-19 10:27:03,434 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-19 10:27:03,434 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-19 10:27:03,434 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 10:27:03,498 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 10:27:03,498 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 10:27:03,498 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 10:27:03,499 INFO L158 Benchmark]: Toolchain (without parser) took 78160.81ms. Allocated memory was 151.0MB in the beginning and 2.5GB in the end (delta: 2.4GB). Free memory was 98.4MB in the beginning and 1.0GB in the end (delta: -929.7MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-11-19 10:27:03,499 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 151.0MB. Free memory was 115.5MB in the beginning and 115.4MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 10:27:03,499 INFO L158 Benchmark]: CACSL2BoogieTranslator took 166.32ms. Allocated memory is still 151.0MB. Free memory was 98.4MB in the beginning and 86.4MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-19 10:27:03,499 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.87ms. Allocated memory is still 151.0MB. Free memory was 86.4MB in the beginning and 85.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 10:27:03,499 INFO L158 Benchmark]: Boogie Preprocessor took 23.22ms. Allocated memory is still 151.0MB. Free memory was 85.1MB in the beginning and 83.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 10:27:03,500 INFO L158 Benchmark]: RCFGBuilder took 239.69ms. Allocated memory is still 151.0MB. Free memory was 83.2MB in the beginning and 72.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-19 10:27:03,500 INFO L158 Benchmark]: TraceAbstraction took 77634.51ms. Allocated memory was 151.0MB in the beginning and 2.5GB in the end (delta: 2.4GB). Free memory was 72.1MB in the beginning and 1.0GB in the end (delta: -960.1MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-11-19 10:27:03,500 INFO L158 Benchmark]: Witness Printer took 71.71ms. Allocated memory is still 2.5GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 10:27:03,501 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 151.0MB. Free memory was 115.5MB in the beginning and 115.4MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 166.32ms. Allocated memory is still 151.0MB. Free memory was 98.4MB in the beginning and 86.4MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.87ms. Allocated memory is still 151.0MB. Free memory was 86.4MB in the beginning and 85.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.22ms. Allocated memory is still 151.0MB. Free memory was 85.1MB in the beginning and 83.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 239.69ms. Allocated memory is still 151.0MB. Free memory was 83.2MB in the beginning and 72.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 77634.51ms. Allocated memory was 151.0MB in the beginning and 2.5GB in the end (delta: 2.4GB). Free memory was 72.1MB in the beginning and 1.0GB in the end (delta: -960.1MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * Witness Printer took 71.71ms. Allocated memory is still 2.5GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 20 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 76.4s, OverallIterations: 12, TraceHistogramMax: 191, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 2136 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1952 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4981 IncrementalHoareTripleChecker+Invalid, 4990 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 184 mSDtfsCounter, 4981 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3179 GetRequests, 2413 SyntacticMatches, 0 SemanticMatches, 766 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48090 ImplicationChecksByTransitivity, 49.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=957occurred in iteration=11, InterpolantAutomatonStates: 599, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 68.1s InterpolantComputationTime, 3793 NumberOfCodeBlocks, 3793 NumberOfCodeBlocksAsserted, 323 NumberOfCheckSat, 4689 ConstructedInterpolants, 0 QuantifiedInterpolants, 13059 SizeOfPredicates, 0 NumberOfNonLiveVariables, 4233 ConjunctsInSsa, 391 ConjunctsInUnsatCore, 25 InterpolantComputations, 6 PerfectInterpolantSequences, 90350/267608 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((j <= 118) && (0 <= (j + 2147483648))) && (59 <= i)) || (((0 <= (j + 2147483648)) && (j <= 2147483459)) && (96 <= i))) || (((j <= 138) && (0 <= (j + 2147483648))) && (69 <= i))) || (((0 <= (j + 2147483648)) && (35 <= i)) && (j <= 70))) || (((0 <= (j + 2147483648)) && (65 <= i)) && (j <= 130))) || (((0 <= (j + 2147483648)) && (j <= 146)) && (73 <= i))) || (((0 <= (j + 2147483648)) && (66 <= i)) && (j <= 132))) || (((0 <= (j + 2147483648)) && (j <= 182)) && (91 <= i))) || (((0 <= (j + 2147483648)) && (3 <= i)) && (j <= 6))) || (((0 <= (j + 2147483648)) && (j <= 8)) && (4 <= i))) || (((j <= 164) && (82 <= i)) && (0 <= (j + 2147483648)))) || (((0 <= (j + 2147483648)) && (89 <= i)) && (j <= 178))) || (((0 <= (j + 2147483648)) && (34 <= i)) && (j <= 68))) || (((44 <= i) && (0 <= (j + 2147483648))) && (j <= 88))) || (((0 <= (j + 2147483648)) && (93 <= i)) && (j <= 186))) || (((0 <= (j + 2147483648)) && (j <= 2147483457)) && (95 <= i))) || (((21 <= i) && (0 <= (j + 2147483648))) && (j <= 42))) || (((0 <= (j + 2147483648)) && (23 <= i)) && (j <= 46))) || (((0 <= (j + 2147483648)) && (j <= 2147483465)) && (99 <= i))) || (((0 <= (j + 2147483648)) && (j <= 66)) && (33 <= i))) || (((0 <= (j + 2147483648)) && (28 <= i)) && (j <= 56))) || (((0 <= (j + 2147483648)) && (j <= 18)) && (9 <= i))) || (((0 <= (j + 2147483648)) && (39 <= i)) && (j <= 78))) || (((0 <= (j + 2147483648)) && (j <= 2147483463)) && (98 <= i))) || (((0 <= (j + 2147483648)) && (48 <= i)) && (j <= 96))) || (((0 <= (j + 2147483648)) && (53 <= i)) && (j <= 106))) || (((0 <= (j + 2147483648)) && (20 <= i)) && (j <= 40))) || (((0 <= (j + 2147483648)) && (j <= 44)) && (22 <= i))) || (((0 <= (j + 2147483648)) && (j <= 112)) && (56 <= i))) || (((0 <= (j + 2147483648)) && (45 <= i)) && (j <= 90))) || (((79 <= i) && (0 <= (j + 2147483648))) && (j <= 158))) || (((0 <= (j + 2147483648)) && (58 <= i)) && (j <= 116))) || (((0 <= (j + 2147483648)) && (j <= 64)) && (32 <= i))) || (((0 <= (j + 2147483648)) && (74 <= i)) && (j <= 148))) || (((0 <= (j + 2147483648)) && (j <= 62)) && (31 <= i))) || (((0 <= (j + 2147483648)) && (j <= 50)) && (25 <= i))) || (((0 <= (j + 2147483648)) && (j <= 82)) && (41 <= i))) || (((0 <= (j + 2147483648)) && (57 <= i)) && (j <= 114))) || (((0 <= (j + 2147483648)) && (j <= 140)) && (70 <= i))) || (((j <= 54) && (0 <= (j + 2147483648))) && (27 <= i))) || (((0 <= (j + 2147483648)) && (43 <= i)) && (j <= 86))) || (((0 <= (j + 2147483648)) && (63 <= i)) && (j <= 126))) || (((0 <= (j + 2147483648)) && (13 <= i)) && (j <= 26))) || (((0 <= (j + 2147483648)) && (j <= 160)) && (80 <= i))) || (((0 <= (j + 2147483648)) && (49 <= i)) && (j <= 98))) || (((0 <= (j + 2147483648)) && (51 <= i)) && (j <= 102))) || (((0 <= (j + 2147483648)) && (j <= 142)) && (71 <= i))) || (((86 <= i) && (0 <= (j + 2147483648))) && (j <= 172))) || (((j <= 10) && (0 <= (j + 2147483648))) && (5 <= i))) || (((0 <= (j + 2147483648)) && (10 <= i)) && (j <= 20))) || (((0 <= (j + 2147483648)) && (j <= 32)) && (16 <= i))) || (((0 <= (j + 2147483648)) && (j <= 150)) && (75 <= i))) || (((0 <= (j + 2147483648)) && (88 <= i)) && (j <= 176))) || (((0 <= (j + 2147483648)) && (j <= 92)) && (46 <= i))) || (((0 <= (j + 2147483648)) && (j <= 22)) && (11 <= i))) || (((j <= 170) && (0 <= (j + 2147483648))) && (85 <= i))) || (((0 <= (j + 2147483648)) && (j <= 154)) && (77 <= i))) || (((0 <= (j + 2147483648)) && (37 <= i)) && (j <= 74))) || (((0 <= (j + 2147483648)) && (97 <= i)) && (j <= 2147483461))) || (((0 <= (j + 2147483648)) && (84 <= i)) && (j <= 168))) || (((0 <= (j + 2147483648)) && (j <= 48)) && (24 <= i))) || (((0 <= (j + 2147483648)) && (j <= 16)) && (8 <= i))) || (((0 <= (j + 2147483648)) && (j <= 38)) && (19 <= i))) || (((0 <= (j + 2147483648)) && (100 <= i)) && (j <= 2147483467))) || (((0 <= (j + 2147483648)) && (61 <= i)) && (j <= 122))) || (((0 <= (j + 2147483648)) && (j <= 188)) && (94 <= i))) || (((0 <= (j + 2147483648)) && (j <= 30)) && (15 <= i))) || (((0 <= (j + 2147483648)) && (12 <= i)) && (j <= 24))) || (((0 <= (j + 2147483648)) && (30 <= i)) && (j <= 60))) || (((0 <= (j + 2147483648)) && (j <= 108)) && (54 <= i))) || (((0 <= (j + 2147483648)) && (6 <= i)) && (j <= 12))) || (((0 <= (j + 2147483648)) && (j <= 136)) && (68 <= i))) || (((0 <= (j + 2147483648)) && (87 <= i)) && (j <= 174))) || (((0 <= (j + 2147483648)) && (26 <= i)) && (j <= 52))) || (((0 <= (j + 2147483648)) && (42 <= i)) && (j <= 84))) || (((0 <= (j + 2147483648)) && (50 <= i)) && (j <= 100))) || (((0 <= (j + 2147483648)) && (1 <= i)) && (j <= 2))) || (((j <= 104) && (0 <= (j + 2147483648))) && (52 <= i))) || (((0 <= (j + 2147483648)) && (40 <= i)) && (j <= 80))) || (((0 <= (j + 2147483648)) && (72 <= i)) && (j <= 144))) || (((0 <= (j + 2147483648)) && (17 <= i)) && (j <= 34))) || (((0 <= (j + 2147483648)) && (64 <= i)) && (j <= 128))) || (((0 <= (j + 2147483648)) && (7 <= i)) && (j <= 14))) || (((0 <= (j + 2147483648)) && (j <= 124)) && (62 <= i))) || (((55 <= i) && (0 <= (j + 2147483648))) && (j <= 110))) || (((0 <= (j + 2147483648)) && (47 <= i)) && (j <= 94))) || (((0 <= (j + 2147483648)) && (j <= 4)) && (2 <= i))) || (((0 <= (j + 2147483648)) && (38 <= i)) && (j <= 76))) || (((0 <= (j + 2147483648)) && (14 <= i)) && (j <= 28))) || (((j <= 120) && (0 <= (j + 2147483648))) && (60 <= i))) || (((0 <= (j + 2147483648)) && (18 <= i)) && (j <= 36))) || (((0 <= (j + 2147483648)) && (76 <= i)) && (j <= 152))) || (((j <= 72) && (0 <= (j + 2147483648))) && (36 <= i))) || (((0 <= (j + 2147483648)) && (i == 0)) && (j <= 0))) || (((0 <= (j + 2147483648)) && (92 <= i)) && (j <= 184))) || (((j <= 58) && (0 <= (j + 2147483648))) && (29 <= i))) || (((0 <= (j + 2147483648)) && (j <= 134)) && (67 <= i))) || (((0 <= (j + 2147483648)) && (j <= 166)) && (83 <= i))) || (((0 <= (j + 2147483648)) && (j <= 162)) && (81 <= i))) || (((0 <= (j + 2147483648)) && (j <= 156)) && (78 <= i))) || (((90 <= i) && (0 <= (j + 2147483648))) && (j <= 180))) RESULT: Ultimate proved your program to be correct! [2024-11-19 10:27:03,536 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE