./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/loop-lit/gcnr2008.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-lit/gcnr2008.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fdb248ef49e1ab3b05d5b0ae73a340b38ef25b27662d8a5cd45744a1950a5101 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 11:26:31,377 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 11:26:31,466 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 11:26:31,472 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 11:26:31,473 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 11:26:31,508 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 11:26:31,509 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 11:26:31,510 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 11:26:31,510 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 11:26:31,512 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 11:26:31,513 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 11:26:31,513 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 11:26:31,514 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 11:26:31,514 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 11:26:31,514 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 11:26:31,515 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 11:26:31,515 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 11:26:31,515 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 11:26:31,516 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 11:26:31,516 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 11:26:31,520 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 11:26:31,521 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 11:26:31,521 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 11:26:31,521 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 11:26:31,521 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 11:26:31,522 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 11:26:31,522 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 11:26:31,522 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 11:26:31,523 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 11:26:31,523 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 11:26:31,523 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 11:26:31,524 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 11:26:31,524 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 11:26:31,524 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 11:26:31,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:26:31,525 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 11:26:31,525 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 11:26:31,525 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 11:26:31,525 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 11:26:31,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 11:26:31,526 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 11:26:31,528 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 11:26:31,529 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 11:26:31,529 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 11:26:31,529 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fdb248ef49e1ab3b05d5b0ae73a340b38ef25b27662d8a5cd45744a1950a5101 [2024-11-09 11:26:31,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 11:26:31,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 11:26:31,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 11:26:31,856 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 11:26:31,857 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 11:26:31,858 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-lit/gcnr2008.i [2024-11-09 11:26:33,395 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 11:26:33,577 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 11:26:33,578 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/gcnr2008.i [2024-11-09 11:26:33,586 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25ea0496a/a087e2dbbf2649838d2ad09a9e0341cf/FLAG06f604a13 [2024-11-09 11:26:33,599 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25ea0496a/a087e2dbbf2649838d2ad09a9e0341cf [2024-11-09 11:26:33,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 11:26:33,602 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 11:26:33,603 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 11:26:33,604 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 11:26:33,609 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 11:26:33,610 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:26:33" (1/1) ... [2024-11-09 11:26:33,611 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c85473d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:33, skipping insertion in model container [2024-11-09 11:26:33,611 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:26:33" (1/1) ... [2024-11-09 11:26:33,629 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 11:26:33,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:26:33,842 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 11:26:33,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:26:33,882 INFO L204 MainTranslator]: Completed translation [2024-11-09 11:26:33,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:33 WrapperNode [2024-11-09 11:26:33,883 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 11:26:33,884 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 11:26:33,884 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 11:26:33,884 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 11:26:33,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:33" (1/1) ... [2024-11-09 11:26:33,899 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:33" (1/1) ... [2024-11-09 11:26:33,916 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 77 [2024-11-09 11:26:33,918 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 11:26:33,919 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 11:26:33,919 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 11:26:33,919 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 11:26:33,928 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:33" (1/1) ... [2024-11-09 11:26:33,929 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:33" (1/1) ... [2024-11-09 11:26:33,934 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:33" (1/1) ... [2024-11-09 11:26:33,953 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]. [2024-11-09 11:26:33,957 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:33" (1/1) ... [2024-11-09 11:26:33,957 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:33" (1/1) ... [2024-11-09 11:26:33,960 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:33" (1/1) ... [2024-11-09 11:26:33,965 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:33" (1/1) ... [2024-11-09 11:26:33,969 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:33" (1/1) ... [2024-11-09 11:26:33,970 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:33" (1/1) ... [2024-11-09 11:26:33,972 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 11:26:33,973 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 11:26:33,974 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 11:26:33,974 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 11:26:33,975 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:33" (1/1) ... [2024-11-09 11:26:33,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:26:33,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:26:34,006 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) [2024-11-09 11:26:34,013 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 [2024-11-09 11:26:34,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 11:26:34,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 11:26:34,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 11:26:34,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 11:26:34,109 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 11:26:34,111 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 11:26:34,273 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-09 11:26:34,273 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 11:26:34,295 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 11:26:34,295 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 11:26:34,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:26:34 BoogieIcfgContainer [2024-11-09 11:26:34,296 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 11:26:34,298 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 11:26:34,298 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 11:26:34,301 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 11:26:34,301 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:26:33" (1/3) ... [2024-11-09 11:26:34,302 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b524f9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:26:34, skipping insertion in model container [2024-11-09 11:26:34,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:33" (2/3) ... [2024-11-09 11:26:34,302 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b524f9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:26:34, skipping insertion in model container [2024-11-09 11:26:34,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:26:34" (3/3) ... [2024-11-09 11:26:34,304 INFO L112 eAbstractionObserver]: Analyzing ICFG gcnr2008.i [2024-11-09 11:26:34,318 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 11:26:34,318 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-11-09 11:26:34,380 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 11:26:34,388 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;@6e13db36, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 11:26:34,389 INFO L334 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2024-11-09 11:26:34,395 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 35 states have (on average 1.7714285714285714) internal successors, (62), 53 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:26:34,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 11:26:34,401 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:34,404 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 11:26:34,404 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:26:34,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:34,411 INFO L85 PathProgramCache]: Analyzing trace with hash 889571273, now seen corresponding path program 1 times [2024-11-09 11:26:34,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:34,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389067349] [2024-11-09 11:26:34,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:34,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:34,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:34,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:34,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:34,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389067349] [2024-11-09 11:26:34,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389067349] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:26:34,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:26:34,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:26:34,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142126467] [2024-11-09 11:26:34,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:26:34,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:26:34,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:34,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:26:34,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:26:34,764 INFO L87 Difference]: Start difference. First operand has 54 states, 35 states have (on average 1.7714285714285714) internal successors, (62), 53 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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) [2024-11-09 11:26:34,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:34,919 INFO L93 Difference]: Finished difference Result 128 states and 160 transitions. [2024-11-09 11:26:34,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:26:34,922 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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 [2024-11-09 11:26:34,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:34,929 INFO L225 Difference]: With dead ends: 128 [2024-11-09 11:26:34,929 INFO L226 Difference]: Without dead ends: 67 [2024-11-09 11:26:34,932 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:26:34,935 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 67 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:34,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 70 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:26:34,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-09 11:26:34,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 61. [2024-11-09 11:26:34,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 46 states have (on average 1.6521739130434783) internal successors, (76), 60 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:26:34,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 76 transitions. [2024-11-09 11:26:34,966 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 76 transitions. Word has length 6 [2024-11-09 11:26:34,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:34,967 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 76 transitions. [2024-11-09 11:26:34,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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) [2024-11-09 11:26:34,967 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 76 transitions. [2024-11-09 11:26:34,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 11:26:34,968 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:34,968 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:26:34,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 11:26:34,968 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:26:34,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:34,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1806916210, now seen corresponding path program 1 times [2024-11-09 11:26:34,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:34,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008210423] [2024-11-09 11:26:34,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:34,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:34,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:35,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:35,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:35,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008210423] [2024-11-09 11:26:35,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008210423] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:26:35,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:26:35,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:26:35,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390561779] [2024-11-09 11:26:35,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:26:35,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:26:35,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:35,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:26:35,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:26:35,075 INFO L87 Difference]: Start difference. First operand 61 states and 76 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:26:35,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:35,145 INFO L93 Difference]: Finished difference Result 84 states and 105 transitions. [2024-11-09 11:26:35,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:26:35,147 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-09 11:26:35,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:35,148 INFO L225 Difference]: With dead ends: 84 [2024-11-09 11:26:35,149 INFO L226 Difference]: Without dead ends: 78 [2024-11-09 11:26:35,149 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:26:35,151 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 75 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:35,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 59 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:26:35,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-09 11:26:35,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-09 11:26:35,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 65 states have (on average 1.4615384615384615) internal successors, (95), 77 states have internal predecessors, (95), 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) [2024-11-09 11:26:35,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 95 transitions. [2024-11-09 11:26:35,169 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 95 transitions. Word has length 7 [2024-11-09 11:26:35,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:35,169 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 95 transitions. [2024-11-09 11:26:35,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:26:35,172 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 95 transitions. [2024-11-09 11:26:35,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 11:26:35,173 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:35,173 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:26:35,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 11:26:35,173 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:26:35,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:35,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1000865417, now seen corresponding path program 1 times [2024-11-09 11:26:35,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:35,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817310517] [2024-11-09 11:26:35,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:35,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:35,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:35,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:35,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:35,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817310517] [2024-11-09 11:26:35,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817310517] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:26:35,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:26:35,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:26:35,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396388673] [2024-11-09 11:26:35,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:26:35,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:26:35,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:35,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:26:35,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:26:35,271 INFO L87 Difference]: Start difference. First operand 78 states and 95 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 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) [2024-11-09 11:26:35,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:35,309 INFO L93 Difference]: Finished difference Result 80 states and 98 transitions. [2024-11-09 11:26:35,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:26:35,310 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 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 [2024-11-09 11:26:35,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:35,311 INFO L225 Difference]: With dead ends: 80 [2024-11-09 11:26:35,311 INFO L226 Difference]: Without dead ends: 79 [2024-11-09 11:26:35,312 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:26:35,313 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 83 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:35,314 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 101 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:26:35,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-09 11:26:35,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 77. [2024-11-09 11:26:35,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 65 states have (on average 1.4307692307692308) internal successors, (93), 76 states have internal predecessors, (93), 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) [2024-11-09 11:26:35,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 93 transitions. [2024-11-09 11:26:35,327 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 93 transitions. Word has length 10 [2024-11-09 11:26:35,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:35,327 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 93 transitions. [2024-11-09 11:26:35,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 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) [2024-11-09 11:26:35,329 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 93 transitions. [2024-11-09 11:26:35,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 11:26:35,330 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:35,330 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:26:35,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 11:26:35,331 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:26:35,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:35,332 INFO L85 PathProgramCache]: Analyzing trace with hash 962056961, now seen corresponding path program 1 times [2024-11-09 11:26:35,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:35,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808156446] [2024-11-09 11:26:35,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:35,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:35,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:35,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:35,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:35,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808156446] [2024-11-09 11:26:35,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808156446] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:26:35,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:26:35,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 11:26:35,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463746374] [2024-11-09 11:26:35,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:26:35,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:26:35,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:35,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:26:35,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:26:35,520 INFO L87 Difference]: Start difference. First operand 77 states and 93 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 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) [2024-11-09 11:26:35,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:35,610 INFO L93 Difference]: Finished difference Result 85 states and 102 transitions. [2024-11-09 11:26:35,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:26:35,610 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 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 [2024-11-09 11:26:35,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:35,612 INFO L225 Difference]: With dead ends: 85 [2024-11-09 11:26:35,613 INFO L226 Difference]: Without dead ends: 83 [2024-11-09 11:26:35,613 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:26:35,614 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 20 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:35,617 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 114 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:26:35,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-09 11:26:35,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-09 11:26:35,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 71 states have (on average 1.3943661971830985) internal successors, (99), 82 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:26:35,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 99 transitions. [2024-11-09 11:26:35,629 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 99 transitions. Word has length 11 [2024-11-09 11:26:35,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:35,630 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 99 transitions. [2024-11-09 11:26:35,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 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) [2024-11-09 11:26:35,630 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 99 transitions. [2024-11-09 11:26:35,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 11:26:35,632 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:35,632 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:26:35,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 11:26:35,633 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:26:35,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:35,633 INFO L85 PathProgramCache]: Analyzing trace with hash -715057125, now seen corresponding path program 1 times [2024-11-09 11:26:35,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:35,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807461331] [2024-11-09 11:26:35,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:35,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:35,813 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:35,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:35,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807461331] [2024-11-09 11:26:35,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807461331] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:26:35,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1048336779] [2024-11-09 11:26:35,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:35,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:35,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:26:35,819 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) [2024-11-09 11:26:35,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 11:26:35,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:35,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:26:35,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:26:35,946 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:35,946 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:26:36,008 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:36,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1048336779] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:26:36,009 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:26:36,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 8 [2024-11-09 11:26:36,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543590359] [2024-11-09 11:26:36,009 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:26:36,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 11:26:36,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:36,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 11:26:36,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=37, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:26:36,015 INFO L87 Difference]: Start difference. First operand 83 states and 99 transitions. Second operand has 9 states, 8 states have (on average 5.625) internal successors, (45), 9 states have internal predecessors, (45), 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) [2024-11-09 11:26:36,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:36,127 INFO L93 Difference]: Finished difference Result 231 states and 282 transitions. [2024-11-09 11:26:36,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:26:36,128 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.625) internal successors, (45), 9 states have internal predecessors, (45), 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 [2024-11-09 11:26:36,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:36,130 INFO L225 Difference]: With dead ends: 231 [2024-11-09 11:26:36,132 INFO L226 Difference]: Without dead ends: 227 [2024-11-09 11:26:36,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=37, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:26:36,134 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 232 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:36,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 184 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:26:36,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2024-11-09 11:26:36,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 201. [2024-11-09 11:26:36,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 189 states have (on average 1.417989417989418) internal successors, (268), 200 states have internal predecessors, (268), 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) [2024-11-09 11:26:36,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 268 transitions. [2024-11-09 11:26:36,160 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 268 transitions. Word has length 17 [2024-11-09 11:26:36,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:36,160 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 268 transitions. [2024-11-09 11:26:36,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.625) internal successors, (45), 9 states have internal predecessors, (45), 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) [2024-11-09 11:26:36,161 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 268 transitions. [2024-11-09 11:26:36,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 11:26:36,161 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:36,161 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:26:36,177 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 11:26:36,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:36,362 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:26:36,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:36,363 INFO L85 PathProgramCache]: Analyzing trace with hash 758267612, now seen corresponding path program 1 times [2024-11-09 11:26:36,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:36,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533658559] [2024-11-09 11:26:36,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:36,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:36,452 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:36,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:36,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533658559] [2024-11-09 11:26:36,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533658559] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:26:36,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017475722] [2024-11-09 11:26:36,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:36,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:36,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:26:36,458 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) [2024-11-09 11:26:36,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 11:26:36,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:36,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:26:36,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:26:36,561 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:36,562 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:26:36,712 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:36,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2017475722] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:26:36,713 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:26:36,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-09 11:26:36,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814969126] [2024-11-09 11:26:36,713 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:26:36,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:26:36,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:36,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:26:36,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:26:36,722 INFO L87 Difference]: Start difference. First operand 201 states and 268 transitions. Second operand has 11 states, 10 states have (on average 5.2) internal successors, (52), 11 states have internal predecessors, (52), 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) [2024-11-09 11:26:36,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:36,925 INFO L93 Difference]: Finished difference Result 570 states and 762 transitions. [2024-11-09 11:26:36,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 11:26:36,925 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.2) internal successors, (52), 11 states have internal predecessors, (52), 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 18 [2024-11-09 11:26:36,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:36,928 INFO L225 Difference]: With dead ends: 570 [2024-11-09 11:26:36,929 INFO L226 Difference]: Without dead ends: 483 [2024-11-09 11:26:36,930 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:26:36,932 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 266 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:36,934 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 272 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:26:36,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2024-11-09 11:26:36,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 381. [2024-11-09 11:26:36,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 369 states have (on average 1.4146341463414633) internal successors, (522), 380 states have internal predecessors, (522), 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) [2024-11-09 11:26:36,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 522 transitions. [2024-11-09 11:26:36,978 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 522 transitions. Word has length 18 [2024-11-09 11:26:36,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:36,978 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 522 transitions. [2024-11-09 11:26:36,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.2) internal successors, (52), 11 states have internal predecessors, (52), 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) [2024-11-09 11:26:36,978 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 522 transitions. [2024-11-09 11:26:36,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 11:26:36,979 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:36,980 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:26:37,000 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 11:26:37,181 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,SelfDestructingSolverStorable5 [2024-11-09 11:26:37,181 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:26:37,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:37,182 INFO L85 PathProgramCache]: Analyzing trace with hash 2031459543, now seen corresponding path program 1 times [2024-11-09 11:26:37,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:37,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476606916] [2024-11-09 11:26:37,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:37,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:37,234 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:37,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:37,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476606916] [2024-11-09 11:26:37,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476606916] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:26:37,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024105358] [2024-11-09 11:26:37,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:37,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:37,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:26:37,237 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) [2024-11-09 11:26:37,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 11:26:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:37,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:26:37,278 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:26:37,322 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:37,322 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:26:37,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2024105358] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:26:37,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:26:37,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2024-11-09 11:26:37,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397563137] [2024-11-09 11:26:37,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:26:37,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:26:37,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:37,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:26:37,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:26:37,324 INFO L87 Difference]: Start difference. First operand 381 states and 522 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:26:37,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:37,379 INFO L93 Difference]: Finished difference Result 791 states and 1096 transitions. [2024-11-09 11:26:37,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:26:37,380 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-09 11:26:37,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:37,385 INFO L225 Difference]: With dead ends: 791 [2024-11-09 11:26:37,385 INFO L226 Difference]: Without dead ends: 789 [2024-11-09 11:26:37,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:26:37,388 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 55 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:37,388 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 118 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:26:37,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2024-11-09 11:26:37,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 637. [2024-11-09 11:26:37,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 625 states have (on average 1.4032) internal successors, (877), 636 states have internal predecessors, (877), 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) [2024-11-09 11:26:37,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 877 transitions. [2024-11-09 11:26:37,415 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 877 transitions. Word has length 19 [2024-11-09 11:26:37,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:37,416 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 877 transitions. [2024-11-09 11:26:37,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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) [2024-11-09 11:26:37,416 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 877 transitions. [2024-11-09 11:26:37,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 11:26:37,420 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:37,420 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-09 11:26:37,438 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 11:26:37,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:37,625 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:26:37,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:37,625 INFO L85 PathProgramCache]: Analyzing trace with hash 309050018, now seen corresponding path program 1 times [2024-11-09 11:26:37,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:37,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538913942] [2024-11-09 11:26:37,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:37,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:37,741 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:37,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:37,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538913942] [2024-11-09 11:26:37,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538913942] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:26:37,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1506404257] [2024-11-09 11:26:37,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:37,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:37,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:26:37,744 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) [2024-11-09 11:26:37,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 11:26:37,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:37,777 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:26:37,778 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:26:37,824 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:37,825 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:26:37,886 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:37,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1506404257] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:26:37,887 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:26:37,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 11 [2024-11-09 11:26:37,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990219840] [2024-11-09 11:26:37,887 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:26:37,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:26:37,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:37,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:26:37,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=73, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:26:37,889 INFO L87 Difference]: Start difference. First operand 637 states and 877 transitions. Second operand has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 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) [2024-11-09 11:26:38,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:38,040 INFO L93 Difference]: Finished difference Result 1164 states and 1581 transitions. [2024-11-09 11:26:38,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 11:26:38,040 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-09 11:26:38,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:38,046 INFO L225 Difference]: With dead ends: 1164 [2024-11-09 11:26:38,047 INFO L226 Difference]: Without dead ends: 1163 [2024-11-09 11:26:38,047 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=86, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:26:38,049 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 212 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:38,049 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 274 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:26:38,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1163 states. [2024-11-09 11:26:38,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1163 to 1138. [2024-11-09 11:26:38,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1138 states, 1126 states have (on average 1.366785079928952) internal successors, (1539), 1137 states have internal predecessors, (1539), 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) [2024-11-09 11:26:38,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 1138 states and 1539 transitions. [2024-11-09 11:26:38,080 INFO L78 Accepts]: Start accepts. Automaton has 1138 states and 1539 transitions. Word has length 20 [2024-11-09 11:26:38,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:38,080 INFO L471 AbstractCegarLoop]: Abstraction has 1138 states and 1539 transitions. [2024-11-09 11:26:38,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 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) [2024-11-09 11:26:38,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 1539 transitions. [2024-11-09 11:26:38,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 11:26:38,082 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:38,082 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:26:38,099 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 11:26:38,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:38,283 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:26:38,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:38,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1449263554, now seen corresponding path program 1 times [2024-11-09 11:26:38,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:38,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872639027] [2024-11-09 11:26:38,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:38,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:38,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:38,318 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 11:26:38,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:38,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872639027] [2024-11-09 11:26:38,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872639027] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:26:38,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:26:38,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:26:38,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747273165] [2024-11-09 11:26:38,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:26:38,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:26:38,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:38,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:26:38,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:26:38,321 INFO L87 Difference]: Start difference. First operand 1138 states and 1539 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:26:38,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:38,359 INFO L93 Difference]: Finished difference Result 1354 states and 1776 transitions. [2024-11-09 11:26:38,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:26:38,359 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-09 11:26:38,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:38,364 INFO L225 Difference]: With dead ends: 1354 [2024-11-09 11:26:38,364 INFO L226 Difference]: Without dead ends: 1351 [2024-11-09 11:26:38,365 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 [2024-11-09 11:26:38,367 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 28 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:38,368 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 38 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:26:38,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1351 states. [2024-11-09 11:26:38,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1351 to 1135. [2024-11-09 11:26:38,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1135 states, 1126 states have (on average 1.3126110124333925) internal successors, (1478), 1134 states have internal predecessors, (1478), 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) [2024-11-09 11:26:38,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1478 transitions. [2024-11-09 11:26:38,401 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1478 transitions. Word has length 20 [2024-11-09 11:26:38,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:38,403 INFO L471 AbstractCegarLoop]: Abstraction has 1135 states and 1478 transitions. [2024-11-09 11:26:38,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:26:38,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1478 transitions. [2024-11-09 11:26:38,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 11:26:38,405 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:38,405 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] [2024-11-09 11:26:38,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 11:26:38,406 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:26:38,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:38,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1535744718, now seen corresponding path program 1 times [2024-11-09 11:26:38,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:38,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954219038] [2024-11-09 11:26:38,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:38,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:38,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:38,430 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 11:26:38,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:38,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954219038] [2024-11-09 11:26:38,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954219038] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:26:38,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:26:38,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:26:38,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652446835] [2024-11-09 11:26:38,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:26:38,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:26:38,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:38,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:26:38,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:26:38,433 INFO L87 Difference]: Start difference. First operand 1135 states and 1478 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2024-11-09 11:26:38,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:38,459 INFO L93 Difference]: Finished difference Result 2162 states and 2847 transitions. [2024-11-09 11:26:38,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:26:38,460 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 23 [2024-11-09 11:26:38,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:38,464 INFO L225 Difference]: With dead ends: 2162 [2024-11-09 11:26:38,465 INFO L226 Difference]: Without dead ends: 1139 [2024-11-09 11:26:38,468 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:26:38,470 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 0 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:38,471 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:26:38,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1139 states. [2024-11-09 11:26:38,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1139 to 1139. [2024-11-09 11:26:38,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1139 states, 1130 states have (on average 1.2920353982300885) internal successors, (1460), 1138 states have internal predecessors, (1460), 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) [2024-11-09 11:26:38,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 1139 states and 1460 transitions. [2024-11-09 11:26:38,500 INFO L78 Accepts]: Start accepts. Automaton has 1139 states and 1460 transitions. Word has length 23 [2024-11-09 11:26:38,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:38,501 INFO L471 AbstractCegarLoop]: Abstraction has 1139 states and 1460 transitions. [2024-11-09 11:26:38,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2024-11-09 11:26:38,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 1460 transitions. [2024-11-09 11:26:38,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 11:26:38,502 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:38,502 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] [2024-11-09 11:26:38,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 11:26:38,503 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:26:38,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:38,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1797478094, now seen corresponding path program 1 times [2024-11-09 11:26:38,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:38,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892331885] [2024-11-09 11:26:38,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:38,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:38,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:38,554 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:38,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:38,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892331885] [2024-11-09 11:26:38,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892331885] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:26:38,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [917651040] [2024-11-09 11:26:38,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:38,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:38,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:26:38,559 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) [2024-11-09 11:26:38,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 11:26:38,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:38,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:26:38,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:26:38,665 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:38,666 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:26:38,760 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:38,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [917651040] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 11:26:38,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:26:38,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3, 4] total 9 [2024-11-09 11:26:38,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745355905] [2024-11-09 11:26:38,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:26:38,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:26:38,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:38,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:26:38,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:26:38,763 INFO L87 Difference]: Start difference. First operand 1139 states and 1460 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:26:38,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:38,826 INFO L93 Difference]: Finished difference Result 1793 states and 2282 transitions. [2024-11-09 11:26:38,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:26:38,827 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2024-11-09 11:26:38,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:38,834 INFO L225 Difference]: With dead ends: 1793 [2024-11-09 11:26:38,834 INFO L226 Difference]: Without dead ends: 1792 [2024-11-09 11:26:38,835 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:26:38,836 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 24 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:38,836 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 93 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:26:38,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1792 states. [2024-11-09 11:26:38,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1792 to 1720. [2024-11-09 11:26:38,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1720 states, 1711 states have (on average 1.2764465225014612) internal successors, (2184), 1719 states have internal predecessors, (2184), 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) [2024-11-09 11:26:38,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 1720 states and 2184 transitions. [2024-11-09 11:26:38,900 INFO L78 Accepts]: Start accepts. Automaton has 1720 states and 2184 transitions. Word has length 25 [2024-11-09 11:26:38,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:38,901 INFO L471 AbstractCegarLoop]: Abstraction has 1720 states and 2184 transitions. [2024-11-09 11:26:38,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:26:38,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1720 states and 2184 transitions. [2024-11-09 11:26:38,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-09 11:26:38,902 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:38,902 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:26:38,919 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 11:26:39,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-09 11:26:39,103 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:26:39,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:39,104 INFO L85 PathProgramCache]: Analyzing trace with hash 483644959, now seen corresponding path program 1 times [2024-11-09 11:26:39,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:39,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478369982] [2024-11-09 11:26:39,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:39,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:39,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:39,142 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 11:26:39,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:39,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478369982] [2024-11-09 11:26:39,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478369982] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:26:39,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [908570367] [2024-11-09 11:26:39,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:39,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:39,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:26:39,145 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) [2024-11-09 11:26:39,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 11:26:39,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:39,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:26:39,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:26:39,327 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:39,328 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:26:39,404 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:39,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [908570367] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 11:26:39,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:26:39,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [3, 6] total 11 [2024-11-09 11:26:39,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700875766] [2024-11-09 11:26:39,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:26:39,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:26:39,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:39,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:26:39,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:26:39,407 INFO L87 Difference]: Start difference. First operand 1720 states and 2184 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 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) [2024-11-09 11:26:39,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:39,539 INFO L93 Difference]: Finished difference Result 2675 states and 3428 transitions. [2024-11-09 11:26:39,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:26:39,540 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2024-11-09 11:26:39,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:39,547 INFO L225 Difference]: With dead ends: 2675 [2024-11-09 11:26:39,547 INFO L226 Difference]: Without dead ends: 2060 [2024-11-09 11:26:39,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:26:39,550 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 42 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:39,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 144 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:26:39,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2060 states. [2024-11-09 11:26:39,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2060 to 1903. [2024-11-09 11:26:39,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1903 states, 1894 states have (on average 1.2824709609292502) internal successors, (2429), 1902 states have internal predecessors, (2429), 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) [2024-11-09 11:26:39,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1903 states to 1903 states and 2429 transitions. [2024-11-09 11:26:39,602 INFO L78 Accepts]: Start accepts. Automaton has 1903 states and 2429 transitions. Word has length 35 [2024-11-09 11:26:39,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:39,603 INFO L471 AbstractCegarLoop]: Abstraction has 1903 states and 2429 transitions. [2024-11-09 11:26:39,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 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) [2024-11-09 11:26:39,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1903 states and 2429 transitions. [2024-11-09 11:26:39,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 11:26:39,604 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:39,605 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:26:39,622 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-09 11:26:39,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:39,806 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:26:39,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:39,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1455271702, now seen corresponding path program 1 times [2024-11-09 11:26:39,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:39,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458158692] [2024-11-09 11:26:39,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:39,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:39,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:39,891 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:26:39,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:39,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458158692] [2024-11-09 11:26:39,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458158692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:26:39,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:26:39,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:26:39,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825983493] [2024-11-09 11:26:39,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:26:39,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:26:39,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:39,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:26:39,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:26:39,894 INFO L87 Difference]: Start difference. First operand 1903 states and 2429 transitions. Second operand has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 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) [2024-11-09 11:26:39,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:39,988 INFO L93 Difference]: Finished difference Result 2516 states and 3223 transitions. [2024-11-09 11:26:39,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:26:39,989 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 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 41 [2024-11-09 11:26:39,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:39,997 INFO L225 Difference]: With dead ends: 2516 [2024-11-09 11:26:39,997 INFO L226 Difference]: Without dead ends: 2513 [2024-11-09 11:26:39,998 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:26:39,998 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 116 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:39,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 45 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:26:40,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2513 states. [2024-11-09 11:26:40,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2513 to 1301. [2024-11-09 11:26:40,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1301 states, 1293 states have (on average 1.2807424593967518) internal successors, (1656), 1300 states have internal predecessors, (1656), 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) [2024-11-09 11:26:40,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 1301 states and 1656 transitions. [2024-11-09 11:26:40,044 INFO L78 Accepts]: Start accepts. Automaton has 1301 states and 1656 transitions. Word has length 41 [2024-11-09 11:26:40,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:40,044 INFO L471 AbstractCegarLoop]: Abstraction has 1301 states and 1656 transitions. [2024-11-09 11:26:40,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 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) [2024-11-09 11:26:40,045 INFO L276 IsEmpty]: Start isEmpty. Operand 1301 states and 1656 transitions. [2024-11-09 11:26:40,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 11:26:40,045 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:40,046 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2024-11-09 11:26:40,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 11:26:40,046 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:26:40,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:40,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1696327204, now seen corresponding path program 2 times [2024-11-09 11:26:40,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:40,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625360277] [2024-11-09 11:26:40,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:40,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:40,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:40,214 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:40,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:40,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625360277] [2024-11-09 11:26:40,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625360277] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:26:40,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194937927] [2024-11-09 11:26:40,215 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:26:40,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:40,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:26:40,217 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) [2024-11-09 11:26:40,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 11:26:40,260 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:26:40,260 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:26:40,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:26:40,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:26:40,347 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:40,347 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:26:40,450 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:40,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [194937927] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:26:40,450 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:26:40,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 17 [2024-11-09 11:26:40,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963780583] [2024-11-09 11:26:40,451 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:26:40,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 11:26:40,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:40,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 11:26:40,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=166, Unknown=0, NotChecked=0, Total=306 [2024-11-09 11:26:40,452 INFO L87 Difference]: Start difference. First operand 1301 states and 1656 transitions. Second operand has 18 states, 17 states have (on average 7.411764705882353) internal successors, (126), 18 states have internal predecessors, (126), 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) [2024-11-09 11:26:40,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:40,738 INFO L93 Difference]: Finished difference Result 3436 states and 4521 transitions. [2024-11-09 11:26:40,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-09 11:26:40,738 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 7.411764705882353) internal successors, (126), 18 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2024-11-09 11:26:40,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:40,750 INFO L225 Difference]: With dead ends: 3436 [2024-11-09 11:26:40,750 INFO L226 Difference]: Without dead ends: 3434 [2024-11-09 11:26:40,752 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=188, Invalid=232, Unknown=0, NotChecked=0, Total=420 [2024-11-09 11:26:40,752 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 677 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 677 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:40,753 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [677 Valid, 317 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:26:40,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3434 states. [2024-11-09 11:26:40,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3434 to 3248. [2024-11-09 11:26:40,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3248 states, 3240 states have (on average 1.2771604938271606) internal successors, (4138), 3247 states have internal predecessors, (4138), 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) [2024-11-09 11:26:40,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3248 states to 3248 states and 4138 transitions. [2024-11-09 11:26:40,848 INFO L78 Accepts]: Start accepts. Automaton has 3248 states and 4138 transitions. Word has length 44 [2024-11-09 11:26:40,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:40,849 INFO L471 AbstractCegarLoop]: Abstraction has 3248 states and 4138 transitions. [2024-11-09 11:26:40,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 7.411764705882353) internal successors, (126), 18 states have internal predecessors, (126), 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) [2024-11-09 11:26:40,849 INFO L276 IsEmpty]: Start isEmpty. Operand 3248 states and 4138 transitions. [2024-11-09 11:26:40,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 11:26:40,850 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:40,850 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:26:40,867 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 11:26:41,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:41,051 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:26:41,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:41,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1690512064, now seen corresponding path program 1 times [2024-11-09 11:26:41,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:41,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131828634] [2024-11-09 11:26:41,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:41,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:41,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:41,097 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 11:26:41,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:41,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131828634] [2024-11-09 11:26:41,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131828634] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:26:41,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1414327270] [2024-11-09 11:26:41,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:41,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:41,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:26:41,105 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) [2024-11-09 11:26:41,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 11:26:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:41,156 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:26:41,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:26:41,339 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 20 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:41,340 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:26:41,442 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 31 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:41,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1414327270] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:26:41,443 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:26:41,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 13 [2024-11-09 11:26:41,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899461295] [2024-11-09 11:26:41,443 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:26:41,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 11:26:41,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:41,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 11:26:41,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:26:41,445 INFO L87 Difference]: Start difference. First operand 3248 states and 4138 transitions. Second operand has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:26:42,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:42,155 INFO L93 Difference]: Finished difference Result 7553 states and 9679 transitions. [2024-11-09 11:26:42,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-09 11:26:42,156 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2024-11-09 11:26:42,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:42,173 INFO L225 Difference]: With dead ends: 7553 [2024-11-09 11:26:42,173 INFO L226 Difference]: Without dead ends: 5694 [2024-11-09 11:26:42,177 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 398 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=415, Invalid=1067, Unknown=0, NotChecked=0, Total=1482 [2024-11-09 11:26:42,177 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 405 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:42,177 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 212 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:26:42,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5694 states. [2024-11-09 11:26:42,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5694 to 2646. [2024-11-09 11:26:42,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2646 states, 2640 states have (on average 1.2636363636363637) internal successors, (3336), 2645 states have internal predecessors, (3336), 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) [2024-11-09 11:26:42,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2646 states to 2646 states and 3336 transitions. [2024-11-09 11:26:42,295 INFO L78 Accepts]: Start accepts. Automaton has 2646 states and 3336 transitions. Word has length 44 [2024-11-09 11:26:42,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:42,295 INFO L471 AbstractCegarLoop]: Abstraction has 2646 states and 3336 transitions. [2024-11-09 11:26:42,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:26:42,295 INFO L276 IsEmpty]: Start isEmpty. Operand 2646 states and 3336 transitions. [2024-11-09 11:26:42,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 11:26:42,297 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:42,297 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:26:42,314 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-09 11:26:42,498 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,SelfDestructingSolverStorable14 [2024-11-09 11:26:42,499 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:26:42,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:42,500 INFO L85 PathProgramCache]: Analyzing trace with hash 127313879, now seen corresponding path program 1 times [2024-11-09 11:26:42,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:42,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495897723] [2024-11-09 11:26:42,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:42,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:42,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:42,653 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:42,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:42,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495897723] [2024-11-09 11:26:42,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495897723] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:26:42,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1069309904] [2024-11-09 11:26:42,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:42,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:42,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:26:42,657 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) [2024-11-09 11:26:42,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 11:26:42,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:42,713 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:26:42,714 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:26:42,847 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:42,847 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:26:43,019 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:43,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1069309904] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:26:43,019 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:26:43,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19 [2024-11-09 11:26:43,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615492983] [2024-11-09 11:26:43,020 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:26:43,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-09 11:26:43,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:43,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-09 11:26:43,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=209, Unknown=0, NotChecked=0, Total=380 [2024-11-09 11:26:43,022 INFO L87 Difference]: Start difference. First operand 2646 states and 3336 transitions. Second operand has 20 states, 19 states have (on average 8.578947368421053) internal successors, (163), 20 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:26:43,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:43,453 INFO L93 Difference]: Finished difference Result 7807 states and 10122 transitions. [2024-11-09 11:26:43,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 11:26:43,454 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 8.578947368421053) internal successors, (163), 20 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 11:26:43,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:43,482 INFO L225 Difference]: With dead ends: 7807 [2024-11-09 11:26:43,483 INFO L226 Difference]: Without dead ends: 5966 [2024-11-09 11:26:43,488 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=190, Invalid=230, Unknown=0, NotChecked=0, Total=420 [2024-11-09 11:26:43,489 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 921 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 921 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:43,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [921 Valid, 431 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:26:43,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5966 states. [2024-11-09 11:26:43,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5966 to 3539. [2024-11-09 11:26:43,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3539 states, 3533 states have (on average 1.2609680158505518) internal successors, (4455), 3538 states have internal predecessors, (4455), 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) [2024-11-09 11:26:43,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3539 states to 3539 states and 4455 transitions. [2024-11-09 11:26:43,686 INFO L78 Accepts]: Start accepts. Automaton has 3539 states and 4455 transitions. Word has length 55 [2024-11-09 11:26:43,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:43,686 INFO L471 AbstractCegarLoop]: Abstraction has 3539 states and 4455 transitions. [2024-11-09 11:26:43,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 8.578947368421053) internal successors, (163), 20 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:26:43,686 INFO L276 IsEmpty]: Start isEmpty. Operand 3539 states and 4455 transitions. [2024-11-09 11:26:43,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 11:26:43,688 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:43,688 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:26:43,708 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-09 11:26:43,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-09 11:26:43,889 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:26:43,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:43,889 INFO L85 PathProgramCache]: Analyzing trace with hash 403766933, now seen corresponding path program 1 times [2024-11-09 11:26:43,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:43,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869341801] [2024-11-09 11:26:43,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:43,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:43,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:44,106 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:44,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:44,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869341801] [2024-11-09 11:26:44,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869341801] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:26:44,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1315569673] [2024-11-09 11:26:44,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:44,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:44,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:26:44,109 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) [2024-11-09 11:26:44,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 11:26:44,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:44,164 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:26:44,166 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:26:44,330 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:44,330 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:26:44,553 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:44,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1315569673] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:26:44,554 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:26:44,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 24 [2024-11-09 11:26:44,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400498987] [2024-11-09 11:26:44,554 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:26:44,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-09 11:26:44,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:44,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-09 11:26:44,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=324, Unknown=0, NotChecked=0, Total=600 [2024-11-09 11:26:44,558 INFO L87 Difference]: Start difference. First operand 3539 states and 4455 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 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) [2024-11-09 11:26:45,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:45,051 INFO L93 Difference]: Finished difference Result 10655 states and 13888 transitions. [2024-11-09 11:26:45,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-09 11:26:45,052 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 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 58 [2024-11-09 11:26:45,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:45,073 INFO L225 Difference]: With dead ends: 10655 [2024-11-09 11:26:45,073 INFO L226 Difference]: Without dead ends: 10654 [2024-11-09 11:26:45,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=326, Invalid=376, Unknown=0, NotChecked=0, Total=702 [2024-11-09 11:26:45,077 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 824 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 824 SdHoareTripleChecker+Valid, 629 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:45,077 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [824 Valid, 629 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:26:45,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10654 states. [2024-11-09 11:26:45,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10654 to 10368. [2024-11-09 11:26:45,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10368 states, 10362 states have (on average 1.2645242231229492) internal successors, (13103), 10367 states have internal predecessors, (13103), 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) [2024-11-09 11:26:45,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10368 states to 10368 states and 13103 transitions. [2024-11-09 11:26:45,528 INFO L78 Accepts]: Start accepts. Automaton has 10368 states and 13103 transitions. Word has length 58 [2024-11-09 11:26:45,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:45,529 INFO L471 AbstractCegarLoop]: Abstraction has 10368 states and 13103 transitions. [2024-11-09 11:26:45,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 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) [2024-11-09 11:26:45,529 INFO L276 IsEmpty]: Start isEmpty. Operand 10368 states and 13103 transitions. [2024-11-09 11:26:45,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-09 11:26:45,533 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:45,533 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1] [2024-11-09 11:26:45,550 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-09 11:26:45,733 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,SelfDestructingSolverStorable16 [2024-11-09 11:26:45,734 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:26:45,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:45,734 INFO L85 PathProgramCache]: Analyzing trace with hash -62157188, now seen corresponding path program 3 times [2024-11-09 11:26:45,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:45,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225514386] [2024-11-09 11:26:45,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:45,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:45,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:46,155 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 0 proven. 445 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:46,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:46,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225514386] [2024-11-09 11:26:46,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225514386] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:26:46,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1134583751] [2024-11-09 11:26:46,157 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 11:26:46,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:46,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:26:46,159 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) [2024-11-09 11:26:46,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 11:26:46,225 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-09 11:26:46,226 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:26:46,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:26:46,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:26:46,508 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 0 proven. 445 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:46,509 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:26:46,844 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 0 proven. 445 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:46,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1134583751] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:26:46,844 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:26:46,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 35 [2024-11-09 11:26:46,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918615600] [2024-11-09 11:26:46,845 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:26:46,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-09 11:26:46,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:46,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-09 11:26:46,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=566, Invalid=694, Unknown=0, NotChecked=0, Total=1260 [2024-11-09 11:26:46,849 INFO L87 Difference]: Start difference. First operand 10368 states and 13103 transitions. Second operand has 36 states, 35 states have (on average 8.228571428571428) internal successors, (288), 36 states have internal predecessors, (288), 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) [2024-11-09 11:26:47,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:47,844 INFO L93 Difference]: Finished difference Result 14509 states and 18646 transitions. [2024-11-09 11:26:47,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-09 11:26:47,846 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 35 states have (on average 8.228571428571428) internal successors, (288), 36 states have internal predecessors, (288), 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 98 [2024-11-09 11:26:47,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:47,872 INFO L225 Difference]: With dead ends: 14509 [2024-11-09 11:26:47,872 INFO L226 Difference]: Without dead ends: 14507 [2024-11-09 11:26:47,876 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 320 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=845, Invalid=1135, Unknown=0, NotChecked=0, Total=1980 [2024-11-09 11:26:47,877 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 2212 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2212 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:47,877 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2212 Valid, 606 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:26:47,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14507 states. [2024-11-09 11:26:48,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14507 to 14122. [2024-11-09 11:26:48,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14122 states, 14116 states have (on average 1.2392320770756589) internal successors, (17493), 14121 states have internal predecessors, (17493), 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) [2024-11-09 11:26:48,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14122 states to 14122 states and 17493 transitions. [2024-11-09 11:26:48,417 INFO L78 Accepts]: Start accepts. Automaton has 14122 states and 17493 transitions. Word has length 98 [2024-11-09 11:26:48,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:48,418 INFO L471 AbstractCegarLoop]: Abstraction has 14122 states and 17493 transitions. [2024-11-09 11:26:48,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 35 states have (on average 8.228571428571428) internal successors, (288), 36 states have internal predecessors, (288), 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) [2024-11-09 11:26:48,418 INFO L276 IsEmpty]: Start isEmpty. Operand 14122 states and 17493 transitions. [2024-11-09 11:26:48,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-09 11:26:48,432 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:48,432 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1] [2024-11-09 11:26:48,449 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-09 11:26:48,636 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,SelfDestructingSolverStorable17 [2024-11-09 11:26:48,637 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:26:48,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:48,637 INFO L85 PathProgramCache]: Analyzing trace with hash 539825756, now seen corresponding path program 2 times [2024-11-09 11:26:48,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:48,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536027247] [2024-11-09 11:26:48,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:48,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:49,265 INFO L134 CoverageAnalysis]: Checked inductivity of 1230 backedges. 0 proven. 1230 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:49,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:49,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536027247] [2024-11-09 11:26:49,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536027247] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:26:49,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417697996] [2024-11-09 11:26:49,266 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:26:49,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:49,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:26:49,269 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) [2024-11-09 11:26:49,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 11:26:49,353 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:26:49,353 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:26:49,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 11:26:49,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:26:49,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1230 backedges. 0 proven. 1230 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:49,857 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:26:50,557 INFO L134 CoverageAnalysis]: Checked inductivity of 1230 backedges. 0 proven. 1230 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:50,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1417697996] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:26:50,557 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:26:50,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 52 [2024-11-09 11:26:50,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211768122] [2024-11-09 11:26:50,558 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:26:50,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-11-09 11:26:50,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:50,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-11-09 11:26:50,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1315, Invalid=1441, Unknown=0, NotChecked=0, Total=2756 [2024-11-09 11:26:50,561 INFO L87 Difference]: Start difference. First operand 14122 states and 17493 transitions. Second operand has 53 states, 52 states have (on average 9.884615384615385) internal successors, (514), 53 states have internal predecessors, (514), 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) [2024-11-09 11:26:52,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:52,129 INFO L93 Difference]: Finished difference Result 21660 states and 27461 transitions. [2024-11-09 11:26:52,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-11-09 11:26:52,130 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 52 states have (on average 9.884615384615385) internal successors, (514), 53 states have internal predecessors, (514), 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 172 [2024-11-09 11:26:52,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:52,163 INFO L225 Difference]: With dead ends: 21660 [2024-11-09 11:26:52,163 INFO L226 Difference]: Without dead ends: 21657 [2024-11-09 11:26:52,170 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1367, Invalid=1495, Unknown=0, NotChecked=0, Total=2862 [2024-11-09 11:26:52,171 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 2772 mSDsluCounter, 1192 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 369 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2772 SdHoareTripleChecker+Valid, 1215 SdHoareTripleChecker+Invalid, 765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 369 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:52,171 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2772 Valid, 1215 Invalid, 765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [369 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:26:52,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21657 states. [2024-11-09 11:26:52,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21657 to 16961. [2024-11-09 11:26:52,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16961 states, 16955 states have (on average 1.2514302565614863) internal successors, (21218), 16960 states have internal predecessors, (21218), 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) [2024-11-09 11:26:53,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16961 states to 16961 states and 21218 transitions. [2024-11-09 11:26:53,007 INFO L78 Accepts]: Start accepts. Automaton has 16961 states and 21218 transitions. Word has length 172 [2024-11-09 11:26:53,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:53,008 INFO L471 AbstractCegarLoop]: Abstraction has 16961 states and 21218 transitions. [2024-11-09 11:26:53,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 52 states have (on average 9.884615384615385) internal successors, (514), 53 states have internal predecessors, (514), 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) [2024-11-09 11:26:53,008 INFO L276 IsEmpty]: Start isEmpty. Operand 16961 states and 21218 transitions. [2024-11-09 11:26:53,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-09 11:26:53,026 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:53,027 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 18, 1, 1, 1] [2024-11-09 11:26:53,046 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-09 11:26:53,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:53,228 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:26:53,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:53,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1912004897, now seen corresponding path program 2 times [2024-11-09 11:26:53,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:53,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741534767] [2024-11-09 11:26:53,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:53,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:53,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:54,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1539 backedges. 0 proven. 1539 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:54,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:54,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741534767] [2024-11-09 11:26:54,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741534767] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:26:54,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [946608805] [2024-11-09 11:26:54,105 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:26:54,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:54,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:26:54,108 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) [2024-11-09 11:26:54,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 11:26:54,239 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:26:54,239 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:26:54,241 INFO L255 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 11:26:54,244 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:26:54,850 INFO L134 CoverageAnalysis]: Checked inductivity of 1539 backedges. 0 proven. 1539 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:54,850 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:26:56,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1539 backedges. 0 proven. 1539 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:56,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [946608805] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:26:56,115 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:26:56,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21, 21] total 62 [2024-11-09 11:26:56,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840855958] [2024-11-09 11:26:56,116 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:26:56,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-11-09 11:26:56,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:56,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-11-09 11:26:56,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1707, Invalid=2199, Unknown=0, NotChecked=0, Total=3906 [2024-11-09 11:26:56,120 INFO L87 Difference]: Start difference. First operand 16961 states and 21218 transitions. Second operand has 63 states, 62 states have (on average 8.338709677419354) internal successors, (517), 63 states have internal predecessors, (517), 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) [2024-11-09 11:27:09,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:27:09,149 INFO L93 Difference]: Finished difference Result 389938 states and 494050 transitions. [2024-11-09 11:27:09,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2024-11-09 11:27:09,149 INFO L78 Accepts]: Start accepts. Automaton has has 63 states, 62 states have (on average 8.338709677419354) internal successors, (517), 63 states have internal predecessors, (517), 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 173 [2024-11-09 11:27:09,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:27:09,991 INFO L225 Difference]: With dead ends: 389938 [2024-11-09 11:27:09,992 INFO L226 Difference]: Without dead ends: 389937 [2024-11-09 11:27:10,135 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3970 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=7035, Invalid=11597, Unknown=0, NotChecked=0, Total=18632 [2024-11-09 11:27:10,140 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 4555 mSDsluCounter, 1343 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 423 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4555 SdHoareTripleChecker+Valid, 1369 SdHoareTripleChecker+Invalid, 1180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 423 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:27:10,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4555 Valid, 1369 Invalid, 1180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [423 Valid, 757 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:27:10,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389937 states. [2024-11-09 11:27:23,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389937 to 359145. [2024-11-09 11:27:24,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359145 states, 359139 states have (on average 1.2549514254926366) internal successors, (450702), 359144 states have internal predecessors, (450702), 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) [2024-11-09 11:27:24,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359145 states to 359145 states and 450702 transitions. [2024-11-09 11:27:24,903 INFO L78 Accepts]: Start accepts. Automaton has 359145 states and 450702 transitions. Word has length 173 [2024-11-09 11:27:24,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:27:24,903 INFO L471 AbstractCegarLoop]: Abstraction has 359145 states and 450702 transitions. [2024-11-09 11:27:24,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 62 states have (on average 8.338709677419354) internal successors, (517), 63 states have internal predecessors, (517), 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) [2024-11-09 11:27:24,904 INFO L276 IsEmpty]: Start isEmpty. Operand 359145 states and 450702 transitions. [2024-11-09 11:27:25,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-09 11:27:25,073 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:27:25,073 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 18, 18, 16, 16, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:27:25,086 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-09 11:27:25,273 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,SelfDestructingSolverStorable19 [2024-11-09 11:27:25,274 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:27:25,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:27:25,274 INFO L85 PathProgramCache]: Analyzing trace with hash -241978524, now seen corresponding path program 1 times [2024-11-09 11:27:25,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:27:25,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462669716] [2024-11-09 11:27:25,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:27:25,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:27:25,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:27:26,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1478 backedges. 0 proven. 1478 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:27:26,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:27:26,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462669716] [2024-11-09 11:27:26,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462669716] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:27:26,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632428456] [2024-11-09 11:27:26,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:27:26,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:27:26,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:27:26,769 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) [2024-11-09 11:27:26,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-09 11:27:26,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:27:26,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-09 11:27:26,874 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:27:27,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1478 backedges. 1334 proven. 123 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-09 11:27:27,672 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:27:28,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1478 backedges. 1378 proven. 71 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-09 11:27:28,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [632428456] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:27:28,174 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:27:28,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 21, 19] total 59 [2024-11-09 11:27:28,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887797901] [2024-11-09 11:27:28,174 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:27:28,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2024-11-09 11:27:28,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:27:28,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2024-11-09 11:27:28,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=832, Invalid=2590, Unknown=0, NotChecked=0, Total=3422 [2024-11-09 11:27:28,177 INFO L87 Difference]: Start difference. First operand 359145 states and 450702 transitions. Second operand has 59 states, 59 states have (on average 8.610169491525424) internal successors, (508), 59 states have internal predecessors, (508), 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)