./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/geo3-ll2_unwindbound2.c --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/nla-digbench-scaling/geo3-ll2_unwindbound2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9fcd44eaa3ebd405f2b1e22097631bccfcd3fffe0471ba695e470043120f86ec --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 10:48:56,085 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 10:48:56,147 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 10:48:56,154 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 10:48:56,155 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 10:48:56,202 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 10:48:56,206 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 10:48:56,206 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 10:48:56,207 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 10:48:56,207 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 10:48:56,208 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 10:48:56,208 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 10:48:56,209 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 10:48:56,210 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 10:48:56,211 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 10:48:56,211 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 10:48:56,211 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 10:48:56,212 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 10:48:56,215 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 10:48:56,215 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 10:48:56,215 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 10:48:56,216 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 10:48:56,216 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 10:48:56,216 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 10:48:56,217 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 10:48:56,217 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 10:48:56,217 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 10:48:56,217 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 10:48:56,218 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 10:48:56,218 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 10:48:56,218 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 10:48:56,218 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 10:48:56,219 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 10:48:56,219 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 10:48:56,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:48:56,223 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 10:48:56,223 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 10:48:56,224 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 10:48:56,224 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 10:48:56,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 10:48:56,224 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 10:48:56,225 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 10:48:56,226 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 10:48:56,226 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 10:48:56,226 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9fcd44eaa3ebd405f2b1e22097631bccfcd3fffe0471ba695e470043120f86ec [2024-11-19 10:48:56,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 10:48:56,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 10:48:56,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 10:48:56,492 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 10:48:56,493 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 10:48:56,494 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/geo3-ll2_unwindbound2.c [2024-11-19 10:48:57,982 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 10:48:58,140 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 10:48:58,140 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/geo3-ll2_unwindbound2.c [2024-11-19 10:48:58,146 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8628bb114/977aa69bd3364bb4ac98629f71a1fa68/FLAG081d2b077 [2024-11-19 10:48:58,554 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8628bb114/977aa69bd3364bb4ac98629f71a1fa68 [2024-11-19 10:48:58,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 10:48:58,558 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 10:48:58,559 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 10:48:58,559 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 10:48:58,563 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 10:48:58,563 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:48:58" (1/1) ... [2024-11-19 10:48:58,564 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33abd119 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:48:58, skipping insertion in model container [2024-11-19 10:48:58,564 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:48:58" (1/1) ... [2024-11-19 10:48:58,585 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 10:48:58,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:48:58,799 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 10:48:58,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:48:58,842 INFO L204 MainTranslator]: Completed translation [2024-11-19 10:48:58,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:48:58 WrapperNode [2024-11-19 10:48:58,843 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 10:48:58,844 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 10:48:58,844 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 10:48:58,844 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 10:48:58,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:48:58" (1/1) ... [2024-11-19 10:48:58,857 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:48:58" (1/1) ... [2024-11-19 10:48:58,879 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 88 [2024-11-19 10:48:58,881 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 10:48:58,881 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 10:48:58,882 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 10:48:58,882 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 10:48:58,891 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:48:58" (1/1) ... [2024-11-19 10:48:58,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:48:58" (1/1) ... [2024-11-19 10:48:58,892 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:48:58" (1/1) ... [2024-11-19 10:48:58,908 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 10:48:58,909 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:48:58" (1/1) ... [2024-11-19 10:48:58,909 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:48:58" (1/1) ... [2024-11-19 10:48:58,915 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:48:58" (1/1) ... [2024-11-19 10:48:58,918 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:48:58" (1/1) ... [2024-11-19 10:48:58,919 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:48:58" (1/1) ... [2024-11-19 10:48:58,920 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:48:58" (1/1) ... [2024-11-19 10:48:58,921 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 10:48:58,922 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 10:48:58,922 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 10:48:58,922 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 10:48:58,923 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:48:58" (1/1) ... [2024-11-19 10:48:58,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:48:58,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:48:58,960 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 10:48:58,962 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 10:48:59,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 10:48:59,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 10:48:59,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 10:48:59,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 10:48:59,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 10:48:59,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 10:48:59,052 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 10:48:59,053 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 10:48:59,388 INFO L? ?]: Removed 85 outVars from TransFormulas that were not future-live. [2024-11-19 10:48:59,388 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 10:48:59,407 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 10:48:59,408 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 10:48:59,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:48:59 BoogieIcfgContainer [2024-11-19 10:48:59,408 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 10:48:59,411 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 10:48:59,412 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 10:48:59,415 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 10:48:59,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:48:58" (1/3) ... [2024-11-19 10:48:59,416 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28e421be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:48:59, skipping insertion in model container [2024-11-19 10:48:59,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:48:58" (2/3) ... [2024-11-19 10:48:59,417 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28e421be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:48:59, skipping insertion in model container [2024-11-19 10:48:59,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:48:59" (3/3) ... [2024-11-19 10:48:59,419 INFO L112 eAbstractionObserver]: Analyzing ICFG geo3-ll2_unwindbound2.c [2024-11-19 10:48:59,435 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 10:48:59,436 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2024-11-19 10:48:59,509 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 10:48:59,515 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;@1b98d25b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 10:48:59,516 INFO L334 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2024-11-19 10:48:59,519 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 45 states have (on average 1.8) internal successors, (81), 77 states have internal predecessors, (81), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:48:59,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-19 10:48:59,523 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:48:59,524 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-19 10:48:59,524 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-19 10:48:59,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:48:59,529 INFO L85 PathProgramCache]: Analyzing trace with hash 29856, now seen corresponding path program 1 times [2024-11-19 10:48:59,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:48:59,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012959904] [2024-11-19 10:48:59,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:48:59,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:48:59,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:48:59,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1255419344] [2024-11-19 10:48:59,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:48:59,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:48:59,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:48:59,626 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 10:48:59,627 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 10:48:59,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:48:59,677 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:48:59,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:48:59,746 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 10:48:59,746 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:48:59,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:48:59,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012959904] [2024-11-19 10:48:59,747 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:48:59,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1255419344] [2024-11-19 10:48:59,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1255419344] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:48:59,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:48:59,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:48:59,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157992212] [2024-11-19 10:48:59,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:48:59,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:48:59,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:48:59,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:48:59,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:48:59,783 INFO L87 Difference]: Start difference. First operand has 81 states, 45 states have (on average 1.8) internal successors, (81), 77 states have internal predecessors, (81), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 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 10:49:00,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:49:00,051 INFO L93 Difference]: Finished difference Result 155 states and 165 transitions. [2024-11-19 10:49:00,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:49:00,054 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 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 3 [2024-11-19 10:49:00,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:49:00,060 INFO L225 Difference]: With dead ends: 155 [2024-11-19 10:49:00,060 INFO L226 Difference]: Without dead ends: 72 [2024-11-19 10:49:00,063 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 10:49:00,066 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 46 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:49:00,067 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 42 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:49:00,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-19 10:49:00,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-19 10:49:00,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 40 states have (on average 1.775) internal successors, (71), 69 states have internal predecessors, (71), 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 10:49:00,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 73 transitions. [2024-11-19 10:49:00,121 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 73 transitions. Word has length 3 [2024-11-19 10:49:00,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:49:00,122 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 73 transitions. [2024-11-19 10:49:00,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 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 10:49:00,122 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 73 transitions. [2024-11-19 10:49:00,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-19 10:49:00,123 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:49:00,123 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-19 10:49:00,138 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 10:49:00,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-19 10:49:00,324 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-19 10:49:00,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:49:00,325 INFO L85 PathProgramCache]: Analyzing trace with hash 889476006, now seen corresponding path program 1 times [2024-11-19 10:49:00,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:49:00,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107602684] [2024-11-19 10:49:00,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:49:00,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:49:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:49:00,430 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 10:49:00,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:49:00,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107602684] [2024-11-19 10:49:00,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107602684] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:49:00,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:49:00,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:49:00,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393621416] [2024-11-19 10:49:00,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:49:00,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:49:00,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:49:00,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:49:00,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:49:00,434 INFO L87 Difference]: Start difference. First operand 72 states and 73 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:49:00,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:49:00,466 INFO L93 Difference]: Finished difference Result 72 states and 73 transitions. [2024-11-19 10:49:00,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:49:00,467 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-19 10:49:00,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:49:00,468 INFO L225 Difference]: With dead ends: 72 [2024-11-19 10:49:00,468 INFO L226 Difference]: Without dead ends: 71 [2024-11-19 10:49:00,469 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:49:00,470 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 69 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:49:00,470 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 131 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:49:00,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-11-19 10:49:00,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-11-19 10:49:00,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 40 states have (on average 1.75) internal successors, (70), 68 states have internal predecessors, (70), 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 10:49:00,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 72 transitions. [2024-11-19 10:49:00,483 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 72 transitions. Word has length 6 [2024-11-19 10:49:00,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:49:00,483 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 72 transitions. [2024-11-19 10:49:00,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:49:00,483 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 72 transitions. [2024-11-19 10:49:00,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-19 10:49:00,484 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:49:00,484 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:49:00,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 10:49:00,484 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-19 10:49:00,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:49:00,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1803952455, now seen corresponding path program 1 times [2024-11-19 10:49:00,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:49:00,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977826620] [2024-11-19 10:49:00,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:49:00,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:49:00,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:49:00,570 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 10:49:00,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:49:00,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977826620] [2024-11-19 10:49:00,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977826620] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:49:00,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:49:00,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:49:00,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151031322] [2024-11-19 10:49:00,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:49:00,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:49:00,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:49:00,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:49:00,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:49:00,577 INFO L87 Difference]: Start difference. First operand 71 states and 72 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) 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 10:49:00,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:49:00,624 INFO L93 Difference]: Finished difference Result 96 states and 97 transitions. [2024-11-19 10:49:00,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:49:00,625 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) 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 10:49:00,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:49:00,626 INFO L225 Difference]: With dead ends: 96 [2024-11-19 10:49:00,626 INFO L226 Difference]: Without dead ends: 75 [2024-11-19 10:49:00,626 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:49:00,628 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 3 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:49:00,628 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 198 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:49:00,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-19 10:49:00,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2024-11-19 10:49:00,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 44 states have (on average 1.6818181818181819) internal successors, (74), 72 states have internal predecessors, (74), 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 10:49:00,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 76 transitions. [2024-11-19 10:49:00,638 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 76 transitions. Word has length 7 [2024-11-19 10:49:00,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:49:00,638 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 76 transitions. [2024-11-19 10:49:00,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) 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 10:49:00,642 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 76 transitions. [2024-11-19 10:49:00,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-19 10:49:00,642 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:49:00,643 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:49:00,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 10:49:00,643 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-19 10:49:00,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:49:00,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1568476727, now seen corresponding path program 1 times [2024-11-19 10:49:00,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:49:00,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292251127] [2024-11-19 10:49:00,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:49:00,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:49:00,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:49:00,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [799415610] [2024-11-19 10:49:00,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:49:00,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:49:00,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:49:00,671 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 10:49:00,676 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 10:49:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:49:00,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:49:00,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:49:00,764 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 10:49:00,766 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:49:00,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:49:00,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292251127] [2024-11-19 10:49:00,766 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:49:00,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799415610] [2024-11-19 10:49:00,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [799415610] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:49:00,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:49:00,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:49:00,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630502727] [2024-11-19 10:49:00,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:49:00,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:49:00,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:49:00,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:49:00,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:49:00,773 INFO L87 Difference]: Start difference. First operand 75 states and 76 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:49:01,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:49:01,128 INFO L93 Difference]: Finished difference Result 114 states and 133 transitions. [2024-11-19 10:49:01,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:49:01,129 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-19 10:49:01,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:49:01,131 INFO L225 Difference]: With dead ends: 114 [2024-11-19 10:49:01,132 INFO L226 Difference]: Without dead ends: 109 [2024-11-19 10:49:01,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:49:01,134 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 100 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:49:01,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 73 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:49:01,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-19 10:49:01,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 92. [2024-11-19 10:49:01,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 61 states have (on average 1.6721311475409837) internal successors, (102), 88 states have internal predecessors, (102), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:49:01,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 106 transitions. [2024-11-19 10:49:01,153 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 106 transitions. Word has length 9 [2024-11-19 10:49:01,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:49:01,153 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 106 transitions. [2024-11-19 10:49:01,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:49:01,153 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 106 transitions. [2024-11-19 10:49:01,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-19 10:49:01,154 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:49:01,154 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:49:01,171 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 10:49:01,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-19 10:49:01,360 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-19 10:49:01,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:49:01,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1378138227, now seen corresponding path program 1 times [2024-11-19 10:49:01,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:49:01,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510404675] [2024-11-19 10:49:01,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:49:01,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:49:01,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:49:01,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1828423112] [2024-11-19 10:49:01,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:49:01,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:49:01,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:49:01,384 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 10:49:01,392 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 10:49:01,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:49:01,433 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:49:01,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:49:01,655 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 10:49:01,656 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:49:01,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:49:01,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510404675] [2024-11-19 10:49:01,656 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:49:01,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828423112] [2024-11-19 10:49:01,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1828423112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:49:01,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:49:01,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:49:01,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916808704] [2024-11-19 10:49:01,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:49:01,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:49:01,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:49:01,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:49:01,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:49:01,661 INFO L87 Difference]: Start difference. First operand 92 states and 106 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:49:02,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:49:02,233 INFO L93 Difference]: Finished difference Result 114 states and 128 transitions. [2024-11-19 10:49:02,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:49:02,233 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-19 10:49:02,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:49:02,235 INFO L225 Difference]: With dead ends: 114 [2024-11-19 10:49:02,235 INFO L226 Difference]: Without dead ends: 109 [2024-11-19 10:49:02,235 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:49:02,236 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 98 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 10:49:02,237 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 75 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 10:49:02,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-19 10:49:02,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 93. [2024-11-19 10:49:02,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 63 states have (on average 1.5873015873015872) internal successors, (100), 89 states have internal predecessors, (100), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:49:02,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 104 transitions. [2024-11-19 10:49:02,247 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 104 transitions. Word has length 10 [2024-11-19 10:49:02,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:49:02,248 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 104 transitions. [2024-11-19 10:49:02,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:49:02,248 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 104 transitions. [2024-11-19 10:49:02,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-19 10:49:02,248 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:49:02,249 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:49:02,269 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 10:49:02,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:49:02,450 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-19 10:49:02,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:49:02,450 INFO L85 PathProgramCache]: Analyzing trace with hash 227387979, now seen corresponding path program 1 times [2024-11-19 10:49:02,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:49:02,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337974059] [2024-11-19 10:49:02,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:49:02,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:49:02,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:49:02,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1942389068] [2024-11-19 10:49:02,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:49:02,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:49:02,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:49:02,463 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 10:49:02,465 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 10:49:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:49:02,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 10:49:02,503 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:49:02,619 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 10:49:02,619 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:49:02,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:49:02,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337974059] [2024-11-19 10:49:02,620 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:49:02,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1942389068] [2024-11-19 10:49:02,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1942389068] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:49:02,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:49:02,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:49:02,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517299482] [2024-11-19 10:49:02,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:49:02,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:49:02,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:49:02,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:49:02,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:49:02,622 INFO L87 Difference]: Start difference. First operand 93 states and 104 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:49:02,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:49:02,775 INFO L93 Difference]: Finished difference Result 113 states and 121 transitions. [2024-11-19 10:49:02,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:49:02,776 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-19 10:49:02,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:49:02,776 INFO L225 Difference]: With dead ends: 113 [2024-11-19 10:49:02,777 INFO L226 Difference]: Without dead ends: 109 [2024-11-19 10:49:02,777 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:49:02,778 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 30 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:49:02,778 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 69 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:49:02,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-19 10:49:02,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 93. [2024-11-19 10:49:02,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 63 states have (on average 1.5238095238095237) internal successors, (96), 89 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:49:02,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 100 transitions. [2024-11-19 10:49:02,794 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 100 transitions. Word has length 11 [2024-11-19 10:49:02,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:49:02,794 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 100 transitions. [2024-11-19 10:49:02,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:49:02,795 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 100 transitions. [2024-11-19 10:49:02,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-19 10:49:02,795 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:49:02,795 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:49:02,812 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 10:49:02,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:49:02,996 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-19 10:49:02,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:49:02,996 INFO L85 PathProgramCache]: Analyzing trace with hash -555429041, now seen corresponding path program 1 times [2024-11-19 10:49:02,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:49:02,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122216240] [2024-11-19 10:49:02,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:49:02,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:49:03,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:49:03,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2127821799] [2024-11-19 10:49:03,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:49:03,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:49:03,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:49:03,017 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 10:49:03,019 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 10:49:03,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:49:03,055 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:49:03,056 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:49:03,306 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 10:49:03,307 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:49:03,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:49:03,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122216240] [2024-11-19 10:49:03,307 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:49:03,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127821799] [2024-11-19 10:49:03,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2127821799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:49:03,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:49:03,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:49:03,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165609672] [2024-11-19 10:49:03,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:49:03,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:49:03,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:49:03,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:49:03,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:49:03,309 INFO L87 Difference]: Start difference. First operand 93 states and 100 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:49:03,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:49:03,449 INFO L93 Difference]: Finished difference Result 111 states and 121 transitions. [2024-11-19 10:49:03,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:49:03,449 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-19 10:49:03,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:49:03,450 INFO L225 Difference]: With dead ends: 111 [2024-11-19 10:49:03,450 INFO L226 Difference]: Without dead ends: 109 [2024-11-19 10:49:03,451 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:49:03,452 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 87 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:49:03,453 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 81 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:49:03,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-19 10:49:03,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 94. [2024-11-19 10:49:03,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 64 states have (on average 1.5) internal successors, (96), 90 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:49:03,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 100 transitions. [2024-11-19 10:49:03,486 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 100 transitions. Word has length 15 [2024-11-19 10:49:03,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:49:03,487 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 100 transitions. [2024-11-19 10:49:03,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:49:03,487 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 100 transitions. [2024-11-19 10:49:03,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-19 10:49:03,487 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:49:03,487 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:49:03,522 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-19 10:49:03,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:49:03,689 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-19 10:49:03,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:49:03,689 INFO L85 PathProgramCache]: Analyzing trace with hash -38431021, now seen corresponding path program 1 times [2024-11-19 10:49:03,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:49:03,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673237289] [2024-11-19 10:49:03,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:49:03,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:49:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:49:03,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [972876597] [2024-11-19 10:49:03,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:49:03,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:49:03,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:49:03,701 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:49:03,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 10:49:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:49:03,739 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:49:03,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:49:04,247 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 10:49:04,247 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:49:04,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:49:04,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673237289] [2024-11-19 10:49:04,248 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:49:04,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [972876597] [2024-11-19 10:49:04,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [972876597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:49:04,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:49:04,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:49:04,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201009300] [2024-11-19 10:49:04,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:49:04,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:49:04,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:49:04,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:49:04,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:49:04,250 INFO L87 Difference]: Start difference. First operand 94 states and 100 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:49:04,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:49:04,379 INFO L93 Difference]: Finished difference Result 111 states and 119 transitions. [2024-11-19 10:49:04,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:49:04,380 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-19 10:49:04,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:49:04,381 INFO L225 Difference]: With dead ends: 111 [2024-11-19 10:49:04,381 INFO L226 Difference]: Without dead ends: 109 [2024-11-19 10:49:04,381 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:49:04,381 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 25 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:49:04,382 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 152 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:49:04,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-19 10:49:04,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 95. [2024-11-19 10:49:04,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 65 states have (on average 1.476923076923077) internal successors, (96), 91 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:49:04,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 100 transitions. [2024-11-19 10:49:04,395 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 100 transitions. Word has length 16 [2024-11-19 10:49:04,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:49:04,395 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 100 transitions. [2024-11-19 10:49:04,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:49:04,395 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 100 transitions. [2024-11-19 10:49:04,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-19 10:49:04,396 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:49:04,396 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:49:04,413 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-19 10:49:04,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:49:04,597 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-19 10:49:04,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:49:04,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1191361583, now seen corresponding path program 1 times [2024-11-19 10:49:04,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:49:04,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362704902] [2024-11-19 10:49:04,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:49:04,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:49:04,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:49:04,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1957902763] [2024-11-19 10:49:04,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:49:04,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:49:04,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:49:04,608 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:49:04,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 10:49:04,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:49:04,645 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 10:49:04,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:49:04,748 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 10:49:04,749 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:49:04,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:49:04,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362704902] [2024-11-19 10:49:04,749 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:49:04,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1957902763] [2024-11-19 10:49:04,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1957902763] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:49:04,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:49:04,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:49:04,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942158879] [2024-11-19 10:49:04,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:49:04,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:49:04,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:49:04,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:49:04,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:49:04,751 INFO L87 Difference]: Start difference. First operand 95 states and 100 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 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 10:49:04,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:49:04,962 INFO L93 Difference]: Finished difference Result 109 states and 113 transitions. [2024-11-19 10:49:04,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:49:04,962 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), 0 states have call successors, (0), 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 17 [2024-11-19 10:49:04,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:49:04,963 INFO L225 Difference]: With dead ends: 109 [2024-11-19 10:49:04,963 INFO L226 Difference]: Without dead ends: 95 [2024-11-19 10:49:04,963 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 14 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 10:49:04,964 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 20 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:49:04,964 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 79 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:49:04,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-19 10:49:04,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 87. [2024-11-19 10:49:04,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 83 states have internal predecessors, (85), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:49:04,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 89 transitions. [2024-11-19 10:49:04,970 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 89 transitions. Word has length 17 [2024-11-19 10:49:04,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:49:04,971 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 89 transitions. [2024-11-19 10:49:04,971 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), 0 states have call successors, (0), 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 10:49:04,971 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 89 transitions. [2024-11-19 10:49:04,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-19 10:49:04,972 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:49:04,972 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:49:04,989 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-19 10:49:05,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:49:05,173 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-19 10:49:05,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:49:05,174 INFO L85 PathProgramCache]: Analyzing trace with hash 435700925, now seen corresponding path program 1 times [2024-11-19 10:49:05,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:49:05,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600200377] [2024-11-19 10:49:05,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:49:05,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:49:05,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:49:05,241 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 10:49:05,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:49:05,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600200377] [2024-11-19 10:49:05,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600200377] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:49:05,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:49:05,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:49:05,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518232525] [2024-11-19 10:49:05,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:49:05,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:49:05,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:49:05,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:49:05,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:49:05,244 INFO L87 Difference]: Start difference. First operand 87 states and 89 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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 10:49:05,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:49:05,259 INFO L93 Difference]: Finished difference Result 91 states and 93 transitions. [2024-11-19 10:49:05,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:49:05,259 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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 25 [2024-11-19 10:49:05,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:49:05,264 INFO L225 Difference]: With dead ends: 91 [2024-11-19 10:49:05,264 INFO L226 Difference]: Without dead ends: 89 [2024-11-19 10:49:05,264 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 10:49:05,265 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 1 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:49:05,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 128 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:49:05,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-19 10:49:05,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-11-19 10:49:05,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 59 states have (on average 1.4745762711864407) internal successors, (87), 85 states have internal predecessors, (87), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:49:05,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 91 transitions. [2024-11-19 10:49:05,270 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 91 transitions. Word has length 25 [2024-11-19 10:49:05,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:49:05,271 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 91 transitions. [2024-11-19 10:49:05,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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 10:49:05,272 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 91 transitions. [2024-11-19 10:49:05,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-19 10:49:05,272 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:49:05,273 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:49:05,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 10:49:05,273 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-19 10:49:05,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:49:05,273 INFO L85 PathProgramCache]: Analyzing trace with hash 650328641, now seen corresponding path program 1 times [2024-11-19 10:49:05,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:49:05,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396478183] [2024-11-19 10:49:05,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:49:05,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:49:05,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:49:05,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [992801640] [2024-11-19 10:49:05,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:49:05,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:49:05,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:49:05,296 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:49:05,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-19 10:49:05,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:49:05,342 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-19 10:49:05,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:49:05,776 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 10:49:05,776 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:49:05,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:49:05,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396478183] [2024-11-19 10:49:05,776 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:49:05,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [992801640] [2024-11-19 10:49:05,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [992801640] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:49:05,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:49:05,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 10:49:05,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301104065] [2024-11-19 10:49:05,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:49:05,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 10:49:05,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:49:05,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 10:49:05,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:49:05,778 INFO L87 Difference]: Start difference. First operand 89 states and 91 transitions. Second operand has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 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 10:49:06,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:49:06,131 INFO L93 Difference]: Finished difference Result 94 states and 97 transitions. [2024-11-19 10:49:06,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:49:06,132 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 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 29 [2024-11-19 10:49:06,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:49:06,135 INFO L225 Difference]: With dead ends: 94 [2024-11-19 10:49:06,135 INFO L226 Difference]: Without dead ends: 93 [2024-11-19 10:49:06,135 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:49:06,135 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 29 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:49:06,136 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 188 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:49:06,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-19 10:49:06,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 92. [2024-11-19 10:49:06,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 62 states have (on average 1.4516129032258065) internal successors, (90), 88 states have internal predecessors, (90), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:49:06,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 94 transitions. [2024-11-19 10:49:06,148 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 94 transitions. Word has length 29 [2024-11-19 10:49:06,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:49:06,148 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 94 transitions. [2024-11-19 10:49:06,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 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 10:49:06,148 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 94 transitions. [2024-11-19 10:49:06,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-19 10:49:06,149 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:49:06,149 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:49:06,166 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-19 10:49:06,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-19 10:49:06,354 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-19 10:49:06,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:49:06,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1314648521, now seen corresponding path program 1 times [2024-11-19 10:49:06,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:49:06,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273092254] [2024-11-19 10:49:06,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:49:06,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:49:06,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:49:06,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [767662281] [2024-11-19 10:49:06,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:49:06,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:49:06,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:49:06,369 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:49:06,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-19 10:49:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:49:06,410 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-19 10:49:06,411 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:49:06,797 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 10:49:06,797 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:49:06,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:49:06,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273092254] [2024-11-19 10:49:06,798 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:49:06,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [767662281] [2024-11-19 10:49:06,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [767662281] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:49:06,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:49:06,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 10:49:06,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087480232] [2024-11-19 10:49:06,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:49:06,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 10:49:06,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:49:06,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 10:49:06,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:49:06,800 INFO L87 Difference]: Start difference. First operand 92 states and 94 transitions. Second operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 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 10:49:07,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:49:07,201 INFO L93 Difference]: Finished difference Result 94 states and 96 transitions. [2024-11-19 10:49:07,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:49:07,202 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 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 30 [2024-11-19 10:49:07,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:49:07,203 INFO L225 Difference]: With dead ends: 94 [2024-11-19 10:49:07,203 INFO L226 Difference]: Without dead ends: 93 [2024-11-19 10:49:07,203 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:49:07,204 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 22 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:49:07,204 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 207 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:49:07,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-19 10:49:07,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-19 10:49:07,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 63 states have (on average 1.4444444444444444) internal successors, (91), 89 states have internal predecessors, (91), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:49:07,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 95 transitions. [2024-11-19 10:49:07,209 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 95 transitions. Word has length 30 [2024-11-19 10:49:07,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:49:07,210 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 95 transitions. [2024-11-19 10:49:07,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 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 10:49:07,210 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 95 transitions. [2024-11-19 10:49:07,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-19 10:49:07,211 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:49:07,211 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:49:07,227 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-19 10:49:07,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:49:07,411 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-19 10:49:07,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:49:07,412 INFO L85 PathProgramCache]: Analyzing trace with hash -2099398397, now seen corresponding path program 1 times [2024-11-19 10:49:07,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:49:07,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972608017] [2024-11-19 10:49:07,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:49:07,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:49:07,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:49:07,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1613208614] [2024-11-19 10:49:07,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:49:07,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:49:07,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:49:07,425 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:49:07,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-19 10:49:07,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:49:07,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:49:07,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:49:07,551 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 10:49:07,551 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:49:07,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:49:07,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972608017] [2024-11-19 10:49:07,551 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:49:07,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1613208614] [2024-11-19 10:49:07,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1613208614] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:49:07,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:49:07,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:49:07,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385305179] [2024-11-19 10:49:07,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:49:07,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:49:07,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:49:07,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:49:07,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:49:07,554 INFO L87 Difference]: Start difference. First operand 93 states and 95 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 10:49:07,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:49:07,652 INFO L93 Difference]: Finished difference Result 96 states and 99 transitions. [2024-11-19 10:49:07,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:49:07,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 31 [2024-11-19 10:49:07,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:49:07,653 INFO L225 Difference]: With dead ends: 96 [2024-11-19 10:49:07,653 INFO L226 Difference]: Without dead ends: 95 [2024-11-19 10:49:07,653 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 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 10:49:07,654 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 1 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:49:07,654 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 69 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:49:07,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-19 10:49:07,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 94. [2024-11-19 10:49:07,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 64 states have (on average 1.4375) internal successors, (92), 90 states have internal predecessors, (92), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:49:07,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 96 transitions. [2024-11-19 10:49:07,660 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 96 transitions. Word has length 31 [2024-11-19 10:49:07,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:49:07,660 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 96 transitions. [2024-11-19 10:49:07,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 10:49:07,660 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 96 transitions. [2024-11-19 10:49:07,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-19 10:49:07,662 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:49:07,662 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:49:07,678 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-19 10:49:07,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-19 10:49:07,863 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-19 10:49:07,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:49:07,863 INFO L85 PathProgramCache]: Analyzing trace with hash -656840775, now seen corresponding path program 1 times [2024-11-19 10:49:07,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:49:07,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822039895] [2024-11-19 10:49:07,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:49:07,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:49:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:49:07,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [388442561] [2024-11-19 10:49:07,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:49:07,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:49:07,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:49:07,881 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:49:07,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-19 10:49:07,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:49:07,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:49:07,930 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:49:08,005 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 10:49:08,006 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:49:08,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:49:08,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822039895] [2024-11-19 10:49:08,006 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:49:08,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [388442561] [2024-11-19 10:49:08,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [388442561] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:49:08,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:49:08,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:49:08,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026080033] [2024-11-19 10:49:08,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:49:08,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:49:08,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:49:08,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:49:08,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:49:08,009 INFO L87 Difference]: Start difference. First operand 94 states and 96 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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 10:49:08,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:49:08,118 INFO L93 Difference]: Finished difference Result 96 states and 98 transitions. [2024-11-19 10:49:08,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:49:08,119 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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 32 [2024-11-19 10:49:08,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:49:08,119 INFO L225 Difference]: With dead ends: 96 [2024-11-19 10:49:08,120 INFO L226 Difference]: Without dead ends: 95 [2024-11-19 10:49:08,120 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 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 10:49:08,120 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 0 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:49:08,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 70 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:49:08,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-19 10:49:08,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2024-11-19 10:49:08,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 65 states have (on average 1.4307692307692308) internal successors, (93), 91 states have internal predecessors, (93), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:49:08,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 97 transitions. [2024-11-19 10:49:08,125 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 97 transitions. Word has length 32 [2024-11-19 10:49:08,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:49:08,126 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 97 transitions. [2024-11-19 10:49:08,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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 10:49:08,126 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 97 transitions. [2024-11-19 10:49:08,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-19 10:49:08,126 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:49:08,126 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:49:08,142 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-19 10:49:08,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-19 10:49:08,327 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-19 10:49:08,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:49:08,328 INFO L85 PathProgramCache]: Analyzing trace with hash -72486670, now seen corresponding path program 1 times [2024-11-19 10:49:08,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:49:08,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69589214] [2024-11-19 10:49:08,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:49:08,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:49:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:49:08,430 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:49:08,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:49:08,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69589214] [2024-11-19 10:49:08,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69589214] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:49:08,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [867128297] [2024-11-19 10:49:08,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:49:08,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:49:08,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:49:08,432 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:49:08,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-19 10:49:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:49:08,467 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:49:08,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:49:08,524 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:49:08,524 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:49:08,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [867128297] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:49:08,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:49:08,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-19 10:49:08,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140736559] [2024-11-19 10:49:08,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:49:08,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:49:08,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:49:08,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:49:08,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:49:08,528 INFO L87 Difference]: Start difference. First operand 95 states and 97 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 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 10:49:08,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:49:08,563 INFO L93 Difference]: Finished difference Result 111 states and 112 transitions. [2024-11-19 10:49:08,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:49:08,564 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 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 35 [2024-11-19 10:49:08,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:49:08,565 INFO L225 Difference]: With dead ends: 111 [2024-11-19 10:49:08,565 INFO L226 Difference]: Without dead ends: 110 [2024-11-19 10:49:08,566 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:49:08,566 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 41 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:49:08,568 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 257 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:49:08,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-19 10:49:08,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 94. [2024-11-19 10:49:08,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 65 states have (on average 1.4153846153846155) internal successors, (92), 90 states have internal predecessors, (92), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:49:08,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 96 transitions. [2024-11-19 10:49:08,575 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 96 transitions. Word has length 35 [2024-11-19 10:49:08,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:49:08,576 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 96 transitions. [2024-11-19 10:49:08,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 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 10:49:08,576 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 96 transitions. [2024-11-19 10:49:08,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-19 10:49:08,576 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:49:08,577 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:49:08,591 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-19 10:49:08,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-19 10:49:08,777 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-19 10:49:08,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:49:08,778 INFO L85 PathProgramCache]: Analyzing trace with hash -940211549, now seen corresponding path program 1 times [2024-11-19 10:49:08,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:49:08,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182963515] [2024-11-19 10:49:08,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:49:08,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:49:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:49:08,857 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:49:08,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:49:08,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182963515] [2024-11-19 10:49:08,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182963515] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:49:08,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1388523586] [2024-11-19 10:49:08,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:49:08,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:49:08,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:49:08,859 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:49:08,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-19 10:49:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:49:08,893 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:49:08,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:49:08,939 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:49:08,939 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:49:09,000 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:49:09,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1388523586] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:49:09,000 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:49:09,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 6 [2024-11-19 10:49:09,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829827759] [2024-11-19 10:49:09,001 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:49:09,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:49:09,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:49:09,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:49:09,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:49:09,002 INFO L87 Difference]: Start difference. First operand 94 states and 96 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:49:09,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:49:09,046 INFO L93 Difference]: Finished difference Result 122 states and 123 transitions. [2024-11-19 10:49:09,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:49:09,047 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 37 [2024-11-19 10:49:09,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:49:09,048 INFO L225 Difference]: With dead ends: 122 [2024-11-19 10:49:09,048 INFO L226 Difference]: Without dead ends: 102 [2024-11-19 10:49:09,048 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 70 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:49:09,049 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 7 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:49:09,049 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 212 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:49:09,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-19 10:49:09,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2024-11-19 10:49:09,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 72 states have (on average 1.375) internal successors, (99), 97 states have internal predecessors, (99), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:49:09,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 103 transitions. [2024-11-19 10:49:09,054 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 103 transitions. Word has length 37 [2024-11-19 10:49:09,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:49:09,055 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 103 transitions. [2024-11-19 10:49:09,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:49:09,055 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 103 transitions. [2024-11-19 10:49:09,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-19 10:49:09,055 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:49:09,056 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:49:09,072 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-19 10:49:09,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-19 10:49:09,256 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-19 10:49:09,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:49:09,257 INFO L85 PathProgramCache]: Analyzing trace with hash -940211532, now seen corresponding path program 1 times [2024-11-19 10:49:09,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:49:09,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168386196] [2024-11-19 10:49:09,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:49:09,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:49:09,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:49:09,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1934668590] [2024-11-19 10:49:09,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:49:09,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:49:09,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:49:09,268 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:49:09,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-19 10:49:09,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 10:49:09,392 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 10:49:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 10:49:09,420 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 10:49:09,420 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 10:49:09,421 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 32 remaining) [2024-11-19 10:49:09,423 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 32 remaining) [2024-11-19 10:49:09,423 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 32 remaining) [2024-11-19 10:49:09,423 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 32 remaining) [2024-11-19 10:49:09,423 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 32 remaining) [2024-11-19 10:49:09,423 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 32 remaining) [2024-11-19 10:49:09,424 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 32 remaining) [2024-11-19 10:49:09,424 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 32 remaining) [2024-11-19 10:49:09,424 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 32 remaining) [2024-11-19 10:49:09,424 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 32 remaining) [2024-11-19 10:49:09,424 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 32 remaining) [2024-11-19 10:49:09,424 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 32 remaining) [2024-11-19 10:49:09,424 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 32 remaining) [2024-11-19 10:49:09,424 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 32 remaining) [2024-11-19 10:49:09,424 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 32 remaining) [2024-11-19 10:49:09,424 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 32 remaining) [2024-11-19 10:49:09,424 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 32 remaining) [2024-11-19 10:49:09,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 32 remaining) [2024-11-19 10:49:09,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 32 remaining) [2024-11-19 10:49:09,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 32 remaining) [2024-11-19 10:49:09,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 32 remaining) [2024-11-19 10:49:09,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 32 remaining) [2024-11-19 10:49:09,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 32 remaining) [2024-11-19 10:49:09,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 32 remaining) [2024-11-19 10:49:09,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 32 remaining) [2024-11-19 10:49:09,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 32 remaining) [2024-11-19 10:49:09,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 32 remaining) [2024-11-19 10:49:09,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 32 remaining) [2024-11-19 10:49:09,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 32 remaining) [2024-11-19 10:49:09,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 32 remaining) [2024-11-19 10:49:09,426 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 32 remaining) [2024-11-19 10:49:09,426 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 32 remaining) [2024-11-19 10:49:09,437 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-19 10:49:09,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:49:09,629 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:49:09,663 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 10:49:09,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 10:49:09 BoogieIcfgContainer [2024-11-19 10:49:09,666 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 10:49:09,667 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 10:49:09,667 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 10:49:09,667 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 10:49:09,667 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:48:59" (3/4) ... [2024-11-19 10:49:09,668 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-19 10:49:09,717 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 10:49:09,717 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 10:49:09,717 INFO L158 Benchmark]: Toolchain (without parser) took 11159.30ms. Allocated memory was 184.5MB in the beginning and 243.3MB in the end (delta: 58.7MB). Free memory was 127.1MB in the beginning and 95.3MB in the end (delta: 31.8MB). Peak memory consumption was 90.9MB. Max. memory is 16.1GB. [2024-11-19 10:49:09,717 INFO L158 Benchmark]: CDTParser took 0.91ms. Allocated memory is still 184.5MB. Free memory is still 150.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 10:49:09,719 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.43ms. Allocated memory is still 184.5MB. Free memory was 126.7MB in the beginning and 114.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-19 10:49:09,720 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.10ms. Allocated memory is still 184.5MB. Free memory was 114.1MB in the beginning and 112.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 10:49:09,720 INFO L158 Benchmark]: Boogie Preprocessor took 39.75ms. Allocated memory is still 184.5MB. Free memory was 112.4MB in the beginning and 110.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 10:49:09,720 INFO L158 Benchmark]: RCFGBuilder took 486.66ms. Allocated memory is still 184.5MB. Free memory was 110.9MB in the beginning and 93.9MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-19 10:49:09,720 INFO L158 Benchmark]: TraceAbstraction took 10255.22ms. Allocated memory was 184.5MB in the beginning and 243.3MB in the end (delta: 58.7MB). Free memory was 93.1MB in the beginning and 97.4MB in the end (delta: -4.2MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. [2024-11-19 10:49:09,720 INFO L158 Benchmark]: Witness Printer took 50.08ms. Allocated memory is still 243.3MB. Free memory was 97.4MB in the beginning and 95.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 10:49:09,722 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91ms. Allocated memory is still 184.5MB. Free memory is still 150.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.43ms. Allocated memory is still 184.5MB. Free memory was 126.7MB in the beginning and 114.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.10ms. Allocated memory is still 184.5MB. Free memory was 114.1MB in the beginning and 112.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.75ms. Allocated memory is still 184.5MB. Free memory was 112.4MB in the beginning and 110.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 486.66ms. Allocated memory is still 184.5MB. Free memory was 110.9MB in the beginning and 93.9MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 10255.22ms. Allocated memory was 184.5MB in the beginning and 243.3MB in the end (delta: 58.7MB). Free memory was 93.1MB in the beginning and 97.4MB in the end (delta: -4.2MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. * Witness Printer took 50.08ms. Allocated memory is still 243.3MB. Free memory was 97.4MB in the beginning and 95.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 35]: integer overflow possible integer overflow possible We found a FailurePath: [L21] int counter = 0; VAL [counter=0] [L23] int z, a, k; [L24] long long x, y, c, az; [L25] z = __VERIFIER_nondet_int() [L26] a = __VERIFIER_nondet_int() [L27] k = __VERIFIER_nondet_int() [L29] x = a [L30] y = 1 [L31] c = 1 VAL [a=-3, c=1, counter=0, k=2, x=-3, y=1, z=-1753413057] [L32] EXPR (long long) a * z [L32] az = (long long) a * z VAL [a=-3, az=5260239171, c=1, counter=0, k=2, x=-3, y=1, z=-1753413057] [L34] EXPR counter++ VAL [a=-3, az=5260239171, c=1, counter=1, k=2, x=-3, y=1, z=-1753413057] [L34] COND TRUE counter++<2 [L35] EXPR z*x VAL [a=-3, az=5260239171, c=1, counter=1, k=2, x=-3, y=1, z=-1753413057] [L35] EXPR z*x - x VAL [a=-3, az=5260239171, c=1, counter=1, k=2, x=-3, y=1, z=-1753413057] [L35] EXPR z*x - x + a VAL [a=-3, az=5260239171, c=1, counter=1, k=2, x=-3, y=1, z=-1753413057] [L35] EXPR az*y VAL [a=-3, az=5260239171, c=1, counter=1, k=2, x=-3, y=1, z=-1753413057] [L35] EXPR z*x - x + a - az*y VAL [a=-3, az=5260239171, c=1, counter=1, k=2, x=-3, y=1, z=-1753413057] [L35] CALL __VERIFIER_assert(z*x - x + a - az*y == 0) VAL [counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L35] RET __VERIFIER_assert(z*x - x + a - az*y == 0) VAL [a=-3, az=5260239171, c=1, counter=1, k=2, x=-3, y=1, z=-1753413057] [L37] COND FALSE !(!(c < k)) VAL [a=-3, az=5260239171, c=1, counter=1, k=2, x=-3, y=1, z=-1753413057] [L40] EXPR c + 1 [L40] c = c + 1 VAL [a=-3, az=5260239171, c=2, counter=1, k=2, x=-3, y=1, z=-1753413057] [L41] EXPR x * z VAL [a=-3, az=5260239171, c=2, counter=1, k=2, x=-3, y=1, z=-1753413057] [L41] EXPR x * z + a [L41] x = x * z + a VAL [a=-3, az=5260239171, c=2, counter=1, k=2, x=5260239168, y=1, z=-1753413057] [L42] EXPR y * z [L42] y = y * z VAL [a=-3, az=5260239171, c=2, counter=1, k=2, x=5260239168, y=-1753413057, z=-1753413057] [L34] EXPR counter++ VAL [a=-3, az=5260239171, c=2, counter=2, k=2, x=5260239168, y=-1753413057, z=-1753413057] [L34] COND TRUE counter++<2 [L35] z*x VAL [a=-3, az=5260239171, c=2, counter=2, k=2, y=-1753413057] - UnprovableResult [Line: 32]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 32]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 40]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 40]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 81 locations, 32 error locations. Started 1 CEGAR loops. OverallTime: 10.1s, OverallIterations: 17, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 586 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 579 mSDsluCounter, 2031 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1202 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1144 IncrementalHoareTripleChecker+Invalid, 1189 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 829 mSDtfsCounter, 1144 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 329 GetRequests, 270 SyntacticMatches, 4 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=102occurred in iteration=16, InterpolantAutomatonStates: 70, 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, 16 MinimizatonAttempts, 104 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 662 NumberOfCodeBlocks, 662 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 403 ConstructedInterpolants, 23 QuantifiedInterpolants, 3199 SizeOfPredicates, 15 NumberOfNonLiveVariables, 816 ConjunctsInSsa, 82 ConjunctsInUnsatCore, 19 InterpolantComputations, 15 PerfectInterpolantSequences, 3/18 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-19 10:49:09,744 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)