./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/loop-lit/bh2017-ex1-poly.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-lit/bh2017-ex1-poly.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 d6dbcbf51695ea037a123bcc006ce5f6db095b874a22b169ec869d834ce41de6 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 10:23:22,077 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 10:23:22,132 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 10:23:22,136 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 10:23:22,136 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 10:23:22,160 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 10:23:22,160 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 10:23:22,161 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 10:23:22,163 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 10:23:22,163 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 10:23:22,164 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 10:23:22,164 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 10:23:22,165 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 10:23:22,165 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 10:23:22,165 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 10:23:22,166 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 10:23:22,166 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 10:23:22,169 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 10:23:22,169 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 10:23:22,169 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 10:23:22,170 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 10:23:22,170 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 10:23:22,170 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 10:23:22,173 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 10:23:22,173 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 10:23:22,174 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 10:23:22,174 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 10:23:22,174 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 10:23:22,175 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 10:23:22,175 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 10:23:22,175 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 10:23:22,176 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 10:23:22,176 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 10:23:22,176 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 10:23:22,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:23:22,177 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 10:23:22,177 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 10:23:22,177 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 10:23:22,178 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 10:23:22,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 10:23:22,178 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 10:23:22,179 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 10:23:22,179 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 10:23:22,179 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 10:23:22,180 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6dbcbf51695ea037a123bcc006ce5f6db095b874a22b169ec869d834ce41de6 [2024-11-19 10:23:22,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 10:23:22,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 10:23:22,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 10:23:22,514 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 10:23:22,514 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 10:23:22,515 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-lit/bh2017-ex1-poly.i [2024-11-19 10:23:23,915 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 10:23:24,130 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 10:23:24,131 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/bh2017-ex1-poly.i [2024-11-19 10:23:24,136 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85564827d/9fefb61354524f8692a8e52c8dce21e7/FLAGde5c997f4 [2024-11-19 10:23:24,151 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85564827d/9fefb61354524f8692a8e52c8dce21e7 [2024-11-19 10:23:24,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 10:23:24,155 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 10:23:24,157 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 10:23:24,157 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 10:23:24,164 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 10:23:24,164 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:23:24" (1/1) ... [2024-11-19 10:23:24,165 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@795d9e69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:23:24, skipping insertion in model container [2024-11-19 10:23:24,165 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:23:24" (1/1) ... [2024-11-19 10:23:24,187 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 10:23:24,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:23:24,407 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 10:23:24,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:23:24,459 INFO L204 MainTranslator]: Completed translation [2024-11-19 10:23:24,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:23:24 WrapperNode [2024-11-19 10:23:24,460 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 10:23:24,463 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 10:23:24,463 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 10:23:24,463 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 10:23:24,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:23:24" (1/1) ... [2024-11-19 10:23:24,477 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:23:24" (1/1) ... [2024-11-19 10:23:24,497 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2024-11-19 10:23:24,497 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 10:23:24,498 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 10:23:24,498 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 10:23:24,498 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 10:23:24,508 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:23:24" (1/1) ... [2024-11-19 10:23:24,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:23:24" (1/1) ... [2024-11-19 10:23:24,510 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:23:24" (1/1) ... [2024-11-19 10:23:24,521 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 10:23:24,521 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:23:24" (1/1) ... [2024-11-19 10:23:24,521 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:23:24" (1/1) ... [2024-11-19 10:23:24,524 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:23:24" (1/1) ... [2024-11-19 10:23:24,531 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:23:24" (1/1) ... [2024-11-19 10:23:24,532 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:23:24" (1/1) ... [2024-11-19 10:23:24,535 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:23:24" (1/1) ... [2024-11-19 10:23:24,537 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 10:23:24,538 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 10:23:24,538 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 10:23:24,538 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 10:23:24,539 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:23:24" (1/1) ... [2024-11-19 10:23:24,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:23:24,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:23:24,573 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 10:23:24,575 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 10:23:24,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 10:23:24,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 10:23:24,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 10:23:24,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 10:23:24,613 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 10:23:24,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 10:23:24,662 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 10:23:24,664 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 10:23:24,912 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-11-19 10:23:24,913 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 10:23:24,933 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 10:23:24,934 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 10:23:24,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:23:24 BoogieIcfgContainer [2024-11-19 10:23:24,934 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 10:23:24,937 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 10:23:24,937 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 10:23:24,941 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 10:23:24,941 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:23:24" (1/3) ... [2024-11-19 10:23:24,942 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c1469b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:23:24, skipping insertion in model container [2024-11-19 10:23:24,942 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:23:24" (2/3) ... [2024-11-19 10:23:24,943 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c1469b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:23:24, skipping insertion in model container [2024-11-19 10:23:24,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:23:24" (3/3) ... [2024-11-19 10:23:24,944 INFO L112 eAbstractionObserver]: Analyzing ICFG bh2017-ex1-poly.i [2024-11-19 10:23:24,961 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 10:23:24,961 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-11-19 10:23:25,024 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 10:23:25,031 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;@a5df93f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 10:23:25,031 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-11-19 10:23:25,035 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 35 states have (on average 1.8) internal successors, (63), 58 states have internal predecessors, (63), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-19 10:23:25,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-19 10:23:25,042 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:23:25,042 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-19 10:23:25,043 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:23:25,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:23:25,047 INFO L85 PathProgramCache]: Analyzing trace with hash 28699945, now seen corresponding path program 1 times [2024-11-19 10:23:25,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:23:25,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216073863] [2024-11-19 10:23:25,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:23:25,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:23:25,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:23:25,242 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 10:23:25,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:23:25,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216073863] [2024-11-19 10:23:25,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216073863] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:23:25,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:23:25,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:23:25,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599763980] [2024-11-19 10:23:25,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:23:25,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:23:25,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:23:25,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:23:25,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:23:25,278 INFO L87 Difference]: Start difference. First operand has 67 states, 35 states have (on average 1.8) internal successors, (63), 58 states have internal predecessors, (63), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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 10:23:25,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:23:25,420 INFO L93 Difference]: Finished difference Result 155 states and 209 transitions. [2024-11-19 10:23:25,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:23:25,423 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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 10:23:25,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:23:25,430 INFO L225 Difference]: With dead ends: 155 [2024-11-19 10:23:25,430 INFO L226 Difference]: Without dead ends: 84 [2024-11-19 10:23:25,433 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 10:23:25,436 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 17 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:23:25,437 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 155 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:23:25,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-19 10:23:25,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 70. [2024-11-19 10:23:25,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 37 states have (on average 1.6486486486486487) internal successors, (61), 59 states have internal predecessors, (61), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-19 10:23:25,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 81 transitions. [2024-11-19 10:23:25,481 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 81 transitions. Word has length 5 [2024-11-19 10:23:25,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:23:25,482 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 81 transitions. [2024-11-19 10:23:25,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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 10:23:25,482 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 81 transitions. [2024-11-19 10:23:25,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-19 10:23:25,483 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:23:25,483 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:23:25,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 10:23:25,484 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:23:25,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:23:25,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1810845099, now seen corresponding path program 1 times [2024-11-19 10:23:25,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:23:25,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674024006] [2024-11-19 10:23:25,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:23:25,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:23:25,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:23:25,530 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 10:23:25,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:23:25,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674024006] [2024-11-19 10:23:25,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674024006] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:23:25,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:23:25,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:23:25,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153425638] [2024-11-19 10:23:25,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:23:25,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:23:25,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:23:25,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:23:25,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:23:25,534 INFO L87 Difference]: Start difference. First operand 70 states and 81 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:23:25,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:23:25,598 INFO L93 Difference]: Finished difference Result 135 states and 157 transitions. [2024-11-19 10:23:25,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:23:25,599 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-19 10:23:25,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:23:25,601 INFO L225 Difference]: With dead ends: 135 [2024-11-19 10:23:25,601 INFO L226 Difference]: Without dead ends: 71 [2024-11-19 10:23:25,602 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 10:23:25,603 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 3 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:23:25,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 107 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:23:25,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-11-19 10:23:25,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2024-11-19 10:23:25,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 38 states have (on average 1.6578947368421053) internal successors, (63), 59 states have internal predecessors, (63), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-19 10:23:25,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 79 transitions. [2024-11-19 10:23:25,613 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 79 transitions. Word has length 7 [2024-11-19 10:23:25,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:23:25,613 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 79 transitions. [2024-11-19 10:23:25,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:23:25,614 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 79 transitions. [2024-11-19 10:23:25,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-19 10:23:25,614 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:23:25,615 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:23:25,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 10:23:25,615 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:23:25,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:23:25,620 INFO L85 PathProgramCache]: Analyzing trace with hash 395086042, now seen corresponding path program 1 times [2024-11-19 10:23:25,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:23:25,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032945095] [2024-11-19 10:23:25,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:23:25,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:23:25,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:23:25,727 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 10:23:25,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:23:25,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032945095] [2024-11-19 10:23:25,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032945095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:23:25,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:23:25,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:23:25,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044109041] [2024-11-19 10:23:25,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:23:25,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:23:25,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:23:25,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:23:25,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:23:25,733 INFO L87 Difference]: Start difference. First operand 69 states and 79 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:23:25,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:23:25,879 INFO L93 Difference]: Finished difference Result 108 states and 135 transitions. [2024-11-19 10:23:25,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:23:25,879 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2024-11-19 10:23:25,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:23:25,881 INFO L225 Difference]: With dead ends: 108 [2024-11-19 10:23:25,881 INFO L226 Difference]: Without dead ends: 104 [2024-11-19 10:23:25,881 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:23:25,886 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 24 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:23:25,887 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 155 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:23:25,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-19 10:23:25,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 87. [2024-11-19 10:23:25,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 50 states have (on average 1.62) internal successors, (81), 71 states have internal predecessors, (81), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-19 10:23:25,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 109 transitions. [2024-11-19 10:23:25,908 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 109 transitions. Word has length 14 [2024-11-19 10:23:25,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:23:25,908 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 109 transitions. [2024-11-19 10:23:25,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:23:25,909 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 109 transitions. [2024-11-19 10:23:25,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-19 10:23:25,909 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:23:25,909 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:23:25,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 10:23:25,910 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:23:25,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:23:25,911 INFO L85 PathProgramCache]: Analyzing trace with hash -637234523, now seen corresponding path program 1 times [2024-11-19 10:23:25,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:23:25,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279977626] [2024-11-19 10:23:25,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:23:25,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:23:25,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:23:26,023 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 10:23:26,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:23:26,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279977626] [2024-11-19 10:23:26,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279977626] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:23:26,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:23:26,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:23:26,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492820579] [2024-11-19 10:23:26,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:23:26,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:23:26,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:23:26,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:23:26,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:23:26,030 INFO L87 Difference]: Start difference. First operand 87 states and 109 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:23:26,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:23:26,155 INFO L93 Difference]: Finished difference Result 108 states and 131 transitions. [2024-11-19 10:23:26,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:23:26,155 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2024-11-19 10:23:26,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:23:26,159 INFO L225 Difference]: With dead ends: 108 [2024-11-19 10:23:26,160 INFO L226 Difference]: Without dead ends: 104 [2024-11-19 10:23:26,160 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:23:26,163 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 23 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:23:26,164 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 147 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:23:26,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-19 10:23:26,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 88. [2024-11-19 10:23:26,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 51 states have (on average 1.5490196078431373) internal successors, (79), 72 states have internal predecessors, (79), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-19 10:23:26,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 107 transitions. [2024-11-19 10:23:26,182 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 107 transitions. Word has length 15 [2024-11-19 10:23:26,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:23:26,182 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 107 transitions. [2024-11-19 10:23:26,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:23:26,183 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 107 transitions. [2024-11-19 10:23:26,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-19 10:23:26,183 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:23:26,184 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:23:26,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 10:23:26,184 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:23:26,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:23:26,185 INFO L85 PathProgramCache]: Analyzing trace with hash -147313453, now seen corresponding path program 1 times [2024-11-19 10:23:26,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:23:26,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730788467] [2024-11-19 10:23:26,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:23:26,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:23:26,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:23:26,242 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:23:26,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:23:26,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730788467] [2024-11-19 10:23:26,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730788467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:23:26,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:23:26,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:23:26,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329066328] [2024-11-19 10:23:26,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:23:26,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:23:26,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:23:26,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:23:26,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:23:26,245 INFO L87 Difference]: Start difference. First operand 88 states and 107 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:23:26,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:23:26,323 INFO L93 Difference]: Finished difference Result 90 states and 107 transitions. [2024-11-19 10:23:26,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:23:26,324 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2024-11-19 10:23:26,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:23:26,325 INFO L225 Difference]: With dead ends: 90 [2024-11-19 10:23:26,325 INFO L226 Difference]: Without dead ends: 86 [2024-11-19 10:23:26,325 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 10:23:26,326 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 30 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:23:26,327 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 94 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:23:26,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-19 10:23:26,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 84. [2024-11-19 10:23:26,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 51 states have (on average 1.4509803921568627) internal successors, (74), 68 states have internal predecessors, (74), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-19 10:23:26,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 102 transitions. [2024-11-19 10:23:26,348 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 102 transitions. Word has length 23 [2024-11-19 10:23:26,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:23:26,350 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 102 transitions. [2024-11-19 10:23:26,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:23:26,351 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 102 transitions. [2024-11-19 10:23:26,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-19 10:23:26,351 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:23:26,351 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:23:26,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 10:23:26,352 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:23:26,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:23:26,352 INFO L85 PathProgramCache]: Analyzing trace with hash -271749675, now seen corresponding path program 1 times [2024-11-19 10:23:26,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:23:26,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623174011] [2024-11-19 10:23:26,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:23:26,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:23:26,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:23:26,413 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:23:26,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:23:26,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623174011] [2024-11-19 10:23:26,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623174011] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:23:26,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:23:26,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:23:26,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997252087] [2024-11-19 10:23:26,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:23:26,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:23:26,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:23:26,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:23:26,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:23:26,416 INFO L87 Difference]: Start difference. First operand 84 states and 102 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:23:26,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:23:26,474 INFO L93 Difference]: Finished difference Result 159 states and 192 transitions. [2024-11-19 10:23:26,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:23:26,475 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2024-11-19 10:23:26,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:23:26,476 INFO L225 Difference]: With dead ends: 159 [2024-11-19 10:23:26,476 INFO L226 Difference]: Without dead ends: 94 [2024-11-19 10:23:26,477 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:23:26,478 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 13 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:23:26,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 140 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:23:26,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-19 10:23:26,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 83. [2024-11-19 10:23:26,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 51 states have (on average 1.4705882352941178) internal successors, (75), 67 states have internal predecessors, (75), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-19 10:23:26,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 103 transitions. [2024-11-19 10:23:26,489 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 103 transitions. Word has length 24 [2024-11-19 10:23:26,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:23:26,490 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 103 transitions. [2024-11-19 10:23:26,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:23:26,490 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 103 transitions. [2024-11-19 10:23:26,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-19 10:23:26,491 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:23:26,491 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:23:26,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 10:23:26,491 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:23:26,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:23:26,492 INFO L85 PathProgramCache]: Analyzing trace with hash 839709403, now seen corresponding path program 1 times [2024-11-19 10:23:26,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:23:26,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516582182] [2024-11-19 10:23:26,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:23:26,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:23:26,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:23:26,552 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 10:23:26,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:23:26,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516582182] [2024-11-19 10:23:26,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516582182] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:23:26,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:23:26,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:23:26,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431982609] [2024-11-19 10:23:26,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:23:26,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:23:26,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:23:26,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:23:26,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:23:26,556 INFO L87 Difference]: Start difference. First operand 83 states and 103 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 10:23:26,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:23:26,621 INFO L93 Difference]: Finished difference Result 85 states and 103 transitions. [2024-11-19 10:23:26,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:23:26,622 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 36 [2024-11-19 10:23:26,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:23:26,623 INFO L225 Difference]: With dead ends: 85 [2024-11-19 10:23:26,623 INFO L226 Difference]: Without dead ends: 80 [2024-11-19 10:23:26,623 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 10:23:26,624 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 19 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:23:26,624 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 84 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:23:26,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-19 10:23:26,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-11-19 10:23:26,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 51 states have (on average 1.3529411764705883) internal successors, (69), 64 states have internal predecessors, (69), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-19 10:23:26,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 97 transitions. [2024-11-19 10:23:26,633 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 97 transitions. Word has length 36 [2024-11-19 10:23:26,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:23:26,633 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 97 transitions. [2024-11-19 10:23:26,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 10:23:26,634 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 97 transitions. [2024-11-19 10:23:26,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-19 10:23:26,634 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:23:26,635 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:23:26,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 10:23:26,635 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:23:26,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:23:26,637 INFO L85 PathProgramCache]: Analyzing trace with hash 261187771, now seen corresponding path program 1 times [2024-11-19 10:23:26,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:23:26,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652160026] [2024-11-19 10:23:26,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:23:26,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:23:26,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:23:26,712 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 10:23:26,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:23:26,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652160026] [2024-11-19 10:23:26,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652160026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:23:26,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:23:26,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:23:26,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136628455] [2024-11-19 10:23:26,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:23:26,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:23:26,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:23:26,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:23:26,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:23:26,715 INFO L87 Difference]: Start difference. First operand 80 states and 97 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 10:23:26,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:23:26,762 INFO L93 Difference]: Finished difference Result 80 states and 97 transitions. [2024-11-19 10:23:26,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:23:26,762 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 37 [2024-11-19 10:23:26,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:23:26,763 INFO L225 Difference]: With dead ends: 80 [2024-11-19 10:23:26,763 INFO L226 Difference]: Without dead ends: 76 [2024-11-19 10:23:26,764 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 10:23:26,765 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 16 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:23:26,765 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 88 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:23:26,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-19 10:23:26,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 73. [2024-11-19 10:23:26,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 49 states have (on average 1.2448979591836735) internal successors, (61), 58 states have internal predecessors, (61), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-19 10:23:26,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 87 transitions. [2024-11-19 10:23:26,782 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 87 transitions. Word has length 37 [2024-11-19 10:23:26,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:23:26,782 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 87 transitions. [2024-11-19 10:23:26,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 10:23:26,783 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 87 transitions. [2024-11-19 10:23:26,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-19 10:23:26,784 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:23:26,784 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:23:26,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 10:23:26,784 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:23:26,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:23:26,784 INFO L85 PathProgramCache]: Analyzing trace with hash -937582121, now seen corresponding path program 1 times [2024-11-19 10:23:26,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:23:26,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586373451] [2024-11-19 10:23:26,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:23:26,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:23:26,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:23:26,910 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-19 10:23:26,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:23:26,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586373451] [2024-11-19 10:23:26,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586373451] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:23:26,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1009513759] [2024-11-19 10:23:26,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:23:26,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:23:26,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:23:26,914 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 10:23:26,919 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 10:23:26,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:23:26,968 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 10:23:26,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:23:27,102 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-19 10:23:27,103 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:23:27,231 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-19 10:23:27,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1009513759] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:23:27,231 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:23:27,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-11-19 10:23:27,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363975043] [2024-11-19 10:23:27,231 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:23:27,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 10:23:27,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:23:27,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 10:23:27,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:23:27,237 INFO L87 Difference]: Start difference. First operand 73 states and 87 transitions. Second operand has 14 states, 13 states have (on average 3.769230769230769) internal successors, (49), 14 states have internal predecessors, (49), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-19 10:23:27,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:23:27,457 INFO L93 Difference]: Finished difference Result 157 states and 203 transitions. [2024-11-19 10:23:27,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 10:23:27,457 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.769230769230769) internal successors, (49), 14 states have internal predecessors, (49), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 46 [2024-11-19 10:23:27,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:23:27,459 INFO L225 Difference]: With dead ends: 157 [2024-11-19 10:23:27,459 INFO L226 Difference]: Without dead ends: 156 [2024-11-19 10:23:27,459 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:23:27,460 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 90 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:23:27,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 220 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:23:27,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-19 10:23:27,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 118. [2024-11-19 10:23:27,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 82 states have (on average 1.1829268292682926) internal successors, (97), 91 states have internal predecessors, (97), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-19 10:23:27,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 147 transitions. [2024-11-19 10:23:27,483 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 147 transitions. Word has length 46 [2024-11-19 10:23:27,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:23:27,484 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 147 transitions. [2024-11-19 10:23:27,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.769230769230769) internal successors, (49), 14 states have internal predecessors, (49), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-19 10:23:27,484 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 147 transitions. [2024-11-19 10:23:27,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-19 10:23:27,486 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:23:27,487 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:23:27,504 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 10:23:27,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:23:27,688 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:23:27,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:23:27,689 INFO L85 PathProgramCache]: Analyzing trace with hash -775072029, now seen corresponding path program 1 times [2024-11-19 10:23:27,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:23:27,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291826172] [2024-11-19 10:23:27,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:23:27,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:23:27,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:23:27,743 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-19 10:23:27,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:23:27,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291826172] [2024-11-19 10:23:27,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291826172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:23:27,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:23:27,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:23:27,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922494126] [2024-11-19 10:23:27,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:23:27,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:23:27,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:23:27,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:23:27,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:23:27,745 INFO L87 Difference]: Start difference. First operand 118 states and 147 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-19 10:23:27,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:23:27,815 INFO L93 Difference]: Finished difference Result 118 states and 147 transitions. [2024-11-19 10:23:27,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:23:27,816 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 55 [2024-11-19 10:23:27,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:23:27,817 INFO L225 Difference]: With dead ends: 118 [2024-11-19 10:23:27,817 INFO L226 Difference]: Without dead ends: 115 [2024-11-19 10:23:27,817 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:23:27,818 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 16 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:23:27,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 69 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:23:27,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-19 10:23:27,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-11-19 10:23:27,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 82 states have (on average 1.1219512195121952) internal successors, (92), 88 states have internal predecessors, (92), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-19 10:23:27,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 142 transitions. [2024-11-19 10:23:27,832 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 142 transitions. Word has length 55 [2024-11-19 10:23:27,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:23:27,833 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 142 transitions. [2024-11-19 10:23:27,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-19 10:23:27,833 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 142 transitions. [2024-11-19 10:23:27,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-19 10:23:27,839 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:23:27,839 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:23:27,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 10:23:27,839 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:23:27,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:23:27,840 INFO L85 PathProgramCache]: Analyzing trace with hash -725368722, now seen corresponding path program 1 times [2024-11-19 10:23:27,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:23:27,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719549696] [2024-11-19 10:23:27,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:23:27,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:23:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:23:28,182 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-19 10:23:28,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:23:28,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719549696] [2024-11-19 10:23:28,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719549696] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:23:28,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [927931360] [2024-11-19 10:23:28,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:23:28,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:23:28,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:23:28,186 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 10:23:28,188 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 10:23:28,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:23:28,251 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-19 10:23:28,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:23:28,603 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-19 10:23:28,603 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:23:29,225 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-19 10:23:29,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [927931360] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:23:29,226 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:23:29,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 27 [2024-11-19 10:23:29,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304628654] [2024-11-19 10:23:29,227 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:23:29,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-19 10:23:29,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:23:29,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-19 10:23:29,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=566, Unknown=0, NotChecked=0, Total=756 [2024-11-19 10:23:29,229 INFO L87 Difference]: Start difference. First operand 115 states and 142 transitions. Second operand has 28 states, 27 states have (on average 3.925925925925926) internal successors, (106), 28 states have internal predecessors, (106), 9 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 9 states have call predecessors, (36), 9 states have call successors, (36) [2024-11-19 10:23:29,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:23:29,686 INFO L93 Difference]: Finished difference Result 115 states and 142 transitions. [2024-11-19 10:23:29,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 10:23:29,686 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 3.925925925925926) internal successors, (106), 28 states have internal predecessors, (106), 9 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 9 states have call predecessors, (36), 9 states have call successors, (36) Word has length 95 [2024-11-19 10:23:29,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:23:29,688 INFO L225 Difference]: With dead ends: 115 [2024-11-19 10:23:29,689 INFO L226 Difference]: Without dead ends: 111 [2024-11-19 10:23:29,690 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=245, Invalid=747, Unknown=0, NotChecked=0, Total=992 [2024-11-19 10:23:29,691 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 19 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 649 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 10:23:29,691 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 233 Invalid, 659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 649 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 10:23:29,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-19 10:23:29,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-11-19 10:23:29,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 82 states have (on average 1.0731707317073171) internal successors, (88), 84 states have internal predecessors, (88), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-19 10:23:29,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 138 transitions. [2024-11-19 10:23:29,704 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 138 transitions. Word has length 95 [2024-11-19 10:23:29,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:23:29,705 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 138 transitions. [2024-11-19 10:23:29,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 3.925925925925926) internal successors, (106), 28 states have internal predecessors, (106), 9 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 9 states have call predecessors, (36), 9 states have call successors, (36) [2024-11-19 10:23:29,706 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 138 transitions. [2024-11-19 10:23:29,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-19 10:23:29,708 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:23:29,708 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:23:29,726 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-19 10:23:29,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-19 10:23:29,909 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:23:29,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:23:29,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1011593801, now seen corresponding path program 1 times [2024-11-19 10:23:29,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:23:29,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97373323] [2024-11-19 10:23:29,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:23:29,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:23:29,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:23:30,157 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2024-11-19 10:23:30,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:23:30,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97373323] [2024-11-19 10:23:30,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97373323] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:23:30,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1369466286] [2024-11-19 10:23:30,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:23:30,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:23:30,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:23:30,161 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 10:23:30,162 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 10:23:30,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:23:30,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-19 10:23:30,219 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:23:30,452 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-19 10:23:30,452 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:23:30,937 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-19 10:23:30,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1369466286] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:23:30,937 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:23:30,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 10] total 25 [2024-11-19 10:23:30,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959843914] [2024-11-19 10:23:30,938 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:23:30,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-19 10:23:30,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:23:30,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-19 10:23:30,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=474, Unknown=0, NotChecked=0, Total=650 [2024-11-19 10:23:30,940 INFO L87 Difference]: Start difference. First operand 111 states and 138 transitions. Second operand has 26 states, 25 states have (on average 4.12) internal successors, (103), 26 states have internal predecessors, (103), 6 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 6 states have call predecessors, (32), 6 states have call successors, (32) [2024-11-19 10:23:31,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:23:31,376 INFO L93 Difference]: Finished difference Result 189 states and 236 transitions. [2024-11-19 10:23:31,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 10:23:31,377 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.12) internal successors, (103), 26 states have internal predecessors, (103), 6 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 6 states have call predecessors, (32), 6 states have call successors, (32) Word has length 96 [2024-11-19 10:23:31,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:23:31,378 INFO L225 Difference]: With dead ends: 189 [2024-11-19 10:23:31,378 INFO L226 Difference]: Without dead ends: 112 [2024-11-19 10:23:31,379 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 175 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=224, Invalid=646, Unknown=0, NotChecked=0, Total=870 [2024-11-19 10:23:31,380 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 49 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:23:31,380 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 157 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:23:31,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-19 10:23:31,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 111. [2024-11-19 10:23:31,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 83 states have (on average 1.036144578313253) internal successors, (86), 84 states have internal predecessors, (86), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-19 10:23:31,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 136 transitions. [2024-11-19 10:23:31,391 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 136 transitions. Word has length 96 [2024-11-19 10:23:31,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:23:31,391 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 136 transitions. [2024-11-19 10:23:31,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.12) internal successors, (103), 26 states have internal predecessors, (103), 6 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 6 states have call predecessors, (32), 6 states have call successors, (32) [2024-11-19 10:23:31,392 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 136 transitions. [2024-11-19 10:23:31,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-19 10:23:31,394 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:23:31,394 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:23:31,411 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 10:23:31,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:23:31,599 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:23:31,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:23:31,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1646830866, now seen corresponding path program 1 times [2024-11-19 10:23:31,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:23:31,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663788838] [2024-11-19 10:23:31,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:23:31,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:23:31,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:23:31,721 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 104 proven. 6 refuted. 0 times theorem prover too weak. 858 trivial. 0 not checked. [2024-11-19 10:23:31,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:23:31,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663788838] [2024-11-19 10:23:31,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663788838] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:23:31,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1673155487] [2024-11-19 10:23:31,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:23:31,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:23:31,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:23:31,724 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 10:23:31,726 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 10:23:31,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:23:31,799 INFO L255 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:23:31,806 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:23:31,870 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 778 trivial. 0 not checked. [2024-11-19 10:23:31,870 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:23:31,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1673155487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:23:31,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:23:31,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2024-11-19 10:23:31,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279597644] [2024-11-19 10:23:31,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:23:31,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:23:31,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:23:31,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:23:31,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:23:31,873 INFO L87 Difference]: Start difference. First operand 111 states and 136 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 4 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-19 10:23:31,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:23:31,920 INFO L93 Difference]: Finished difference Result 164 states and 201 transitions. [2024-11-19 10:23:31,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:23:31,920 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 4 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) Word has length 173 [2024-11-19 10:23:31,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:23:31,921 INFO L225 Difference]: With dead ends: 164 [2024-11-19 10:23:31,921 INFO L226 Difference]: Without dead ends: 103 [2024-11-19 10:23:31,922 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:23:31,922 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 36 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:23:31,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 70 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:23:31,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-19 10:23:31,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2024-11-19 10:23:31,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 77 states have (on average 1.0129870129870129) internal successors, (78), 77 states have internal predecessors, (78), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-19 10:23:31,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 126 transitions. [2024-11-19 10:23:31,931 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 126 transitions. Word has length 173 [2024-11-19 10:23:31,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:23:31,932 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 126 transitions. [2024-11-19 10:23:31,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 4 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-19 10:23:31,932 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 126 transitions. [2024-11-19 10:23:31,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-19 10:23:31,934 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:23:31,934 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-19 10:23:31,950 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 10:23:32,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:23:32,135 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:23:32,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:23:32,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1076443632, now seen corresponding path program 1 times [2024-11-19 10:23:32,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:23:32,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870880298] [2024-11-19 10:23:32,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:23:32,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:23:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:23:32,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 1115 trivial. 0 not checked. [2024-11-19 10:23:32,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:23:32,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870880298] [2024-11-19 10:23:32,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870880298] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:23:32,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1099401246] [2024-11-19 10:23:32,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:23:32,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:23:32,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:23:32,732 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 10:23:32,734 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 10:23:32,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:23:32,805 INFO L255 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-19 10:23:32,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:23:33,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 0 proven. 116 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-19 10:23:33,272 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:23:34,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 0 proven. 116 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-19 10:23:34,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1099401246] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:23:34,374 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:23:34,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 17] total 45 [2024-11-19 10:23:34,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012914895] [2024-11-19 10:23:34,375 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:23:34,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-11-19 10:23:34,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:23:34,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-11-19 10:23:34,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=516, Invalid=1554, Unknown=0, NotChecked=0, Total=2070 [2024-11-19 10:23:34,379 INFO L87 Difference]: Start difference. First operand 103 states and 126 transitions. Second operand has 46 states, 45 states have (on average 4.822222222222222) internal successors, (217), 46 states have internal predecessors, (217), 14 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 14 states have call predecessors, (68), 14 states have call successors, (68) [2024-11-19 10:23:35,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:23:35,067 INFO L93 Difference]: Finished difference Result 168 states and 208 transitions. [2024-11-19 10:23:35,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-19 10:23:35,068 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 4.822222222222222) internal successors, (217), 46 states have internal predecessors, (217), 14 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 14 states have call predecessors, (68), 14 states have call successors, (68) Word has length 194 [2024-11-19 10:23:35,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:23:35,068 INFO L225 Difference]: With dead ends: 168 [2024-11-19 10:23:35,069 INFO L226 Difference]: Without dead ends: 0 [2024-11-19 10:23:35,070 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 359 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1264 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=659, Invalid=2203, Unknown=0, NotChecked=0, Total=2862 [2024-11-19 10:23:35,071 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 46 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 693 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:23:35,071 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 189 Invalid, 734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 693 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 10:23:35,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-19 10:23:35,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-19 10:23:35,072 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 10:23:35,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-19 10:23:35,072 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 194 [2024-11-19 10:23:35,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:23:35,072 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 10:23:35,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 4.822222222222222) internal successors, (217), 46 states have internal predecessors, (217), 14 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 14 states have call predecessors, (68), 14 states have call successors, (68) [2024-11-19 10:23:35,073 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-19 10:23:35,073 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-19 10:23:35,075 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 22 remaining) [2024-11-19 10:23:35,076 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 22 remaining) [2024-11-19 10:23:35,076 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 22 remaining) [2024-11-19 10:23:35,076 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 22 remaining) [2024-11-19 10:23:35,076 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 22 remaining) [2024-11-19 10:23:35,076 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 22 remaining) [2024-11-19 10:23:35,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 22 remaining) [2024-11-19 10:23:35,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 22 remaining) [2024-11-19 10:23:35,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 22 remaining) [2024-11-19 10:23:35,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 22 remaining) [2024-11-19 10:23:35,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 22 remaining) [2024-11-19 10:23:35,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 22 remaining) [2024-11-19 10:23:35,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 22 remaining) [2024-11-19 10:23:35,078 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 22 remaining) [2024-11-19 10:23:35,078 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 22 remaining) [2024-11-19 10:23:35,078 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 22 remaining) [2024-11-19 10:23:35,078 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 22 remaining) [2024-11-19 10:23:35,078 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 22 remaining) [2024-11-19 10:23:35,078 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 22 remaining) [2024-11-19 10:23:35,078 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 22 remaining) [2024-11-19 10:23:35,078 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 22 remaining) [2024-11-19 10:23:35,079 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 22 remaining) [2024-11-19 10:23:35,096 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-19 10:23:35,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-19 10:23:35,282 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:23:35,284 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-19 10:23:35,689 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 10:23:35,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 10:23:35 BoogieIcfgContainer [2024-11-19 10:23:35,712 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 10:23:35,713 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 10:23:35,713 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 10:23:35,713 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 10:23:35,714 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:23:24" (3/4) ... [2024-11-19 10:23:35,716 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 10:23:35,719 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-19 10:23:35,724 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-19 10:23:35,724 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-19 10:23:35,725 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-19 10:23:35,725 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 10:23:35,817 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 10:23:35,820 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 10:23:35,820 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 10:23:35,821 INFO L158 Benchmark]: Toolchain (without parser) took 11665.50ms. Allocated memory was 151.0MB in the beginning and 264.2MB in the end (delta: 113.2MB). Free memory was 117.0MB in the beginning and 214.5MB in the end (delta: -97.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-19 10:23:35,821 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 151.0MB. Free memory was 121.9MB in the beginning and 121.7MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 10:23:35,821 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.80ms. Allocated memory is still 151.0MB. Free memory was 116.4MB in the beginning and 104.6MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-19 10:23:35,821 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.47ms. Allocated memory is still 151.0MB. Free memory was 104.6MB in the beginning and 103.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 10:23:35,822 INFO L158 Benchmark]: Boogie Preprocessor took 38.96ms. Allocated memory is still 151.0MB. Free memory was 103.1MB in the beginning and 101.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 10:23:35,822 INFO L158 Benchmark]: RCFGBuilder took 396.49ms. Allocated memory is still 151.0MB. Free memory was 101.1MB in the beginning and 116.2MB in the end (delta: -15.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-19 10:23:35,822 INFO L158 Benchmark]: TraceAbstraction took 10775.14ms. Allocated memory was 151.0MB in the beginning and 264.2MB in the end (delta: 113.2MB). Free memory was 115.3MB in the beginning and 219.7MB in the end (delta: -104.4MB). Peak memory consumption was 150.5MB. Max. memory is 16.1GB. [2024-11-19 10:23:35,823 INFO L158 Benchmark]: Witness Printer took 107.53ms. Allocated memory is still 264.2MB. Free memory was 219.7MB in the beginning and 214.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-19 10:23:35,824 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 151.0MB. Free memory was 121.9MB in the beginning and 121.7MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.80ms. Allocated memory is still 151.0MB. Free memory was 116.4MB in the beginning and 104.6MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.47ms. Allocated memory is still 151.0MB. Free memory was 104.6MB in the beginning and 103.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.96ms. Allocated memory is still 151.0MB. Free memory was 103.1MB in the beginning and 101.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 396.49ms. Allocated memory is still 151.0MB. Free memory was 101.1MB in the beginning and 116.2MB in the end (delta: -15.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 10775.14ms. Allocated memory was 151.0MB in the beginning and 264.2MB in the end (delta: 113.2MB). Free memory was 115.3MB in the beginning and 219.7MB in the end (delta: -104.4MB). Peak memory consumption was 150.5MB. Max. memory is 16.1GB. * Witness Printer took 107.53ms. Allocated memory is still 264.2MB. Free memory was 219.7MB in the beginning and 214.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. 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: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: 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 2 procedures, 67 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 10.3s, OverallIterations: 14, TraceHistogramMax: 24, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 469 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 401 mSDsluCounter, 1908 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1299 mSDsCounter, 137 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2738 IncrementalHoareTripleChecker+Invalid, 2875 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 137 mSolverCounterUnsat, 609 mSDtfsCounter, 2738 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1117 GetRequests, 971 SyntacticMatches, 1 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1923 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118occurred in iteration=9, InterpolantAutomatonStates: 108, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 104 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 1424 NumberOfCodeBlocks, 1424 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1832 ConstructedInterpolants, 0 QuantifiedInterpolants, 7394 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1093 ConjunctsInSsa, 49 ConjunctsInUnsatCore, 23 InterpolantComputations, 10 PerfectInterpolantSequences, 7102/7560 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 22 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: ((i == 0) || ((1 <= i) && (i <= 2147483646))) - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: ((((((2 == j) && (i == 1)) || (((2 == j) && (2 <= i)) && (i <= 1073741822))) || ((i == 0) && (j == 0))) || (((1 <= i) && (i <= 3)) && (j == 0))) || (((j == 4) && (2 <= i)) && (i <= 1073741823))) RESULT: Ultimate proved your program to be correct! [2024-11-19 10:23:35,859 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE