./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-multidimensional/init-3-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f 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/array-multidimensional/init-3-u.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 385b06dfd41f8b2cf291934cb4635d07bfe2a63001fa162165126d7b890c1d72 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:31:24,953 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:31:25,020 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 18:31:25,024 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:31:25,025 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:31:25,055 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:31:25,055 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:31:25,056 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:31:25,056 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:31:25,057 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:31:25,057 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:31:25,057 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:31:25,058 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:31:25,058 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:31:25,059 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:31:25,059 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:31:25,060 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 18:31:25,060 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 18:31:25,060 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:31:25,061 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 18:31:25,061 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:31:25,062 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 18:31:25,062 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:31:25,063 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 18:31:25,063 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:31:25,063 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 18:31:25,064 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:31:25,064 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 18:31:25,065 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 18:31:25,065 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:31:25,065 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:31:25,066 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:31:25,066 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:31:25,066 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:31:25,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:31:25,067 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:31:25,067 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:31:25,068 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 18:31:25,068 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:31:25,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:31:25,069 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:31:25,069 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:31:25,069 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:31:25,070 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:31:25,070 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 385b06dfd41f8b2cf291934cb4635d07bfe2a63001fa162165126d7b890c1d72 [2024-11-10 18:31:25,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:31:25,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:31:25,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:31:25,350 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:31:25,351 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:31:25,353 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-multidimensional/init-3-u.c [2024-11-10 18:31:26,945 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:31:27,125 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:31:27,126 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/init-3-u.c [2024-11-10 18:31:27,132 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c06edcb4f/4bb42302c9524f90842fea26a0514895/FLAG73fe2ee36 [2024-11-10 18:31:27,146 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c06edcb4f/4bb42302c9524f90842fea26a0514895 [2024-11-10 18:31:27,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:31:27,150 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:31:27,151 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:31:27,151 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:31:27,155 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:31:27,156 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:31:27" (1/1) ... [2024-11-10 18:31:27,157 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36b7df96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:31:27, skipping insertion in model container [2024-11-10 18:31:27,157 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:31:27" (1/1) ... [2024-11-10 18:31:27,178 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:31:27,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:31:27,363 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:31:27,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:31:27,410 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:31:27,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:31:27 WrapperNode [2024-11-10 18:31:27,411 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:31:27,412 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:31:27,413 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:31:27,413 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:31:27,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:31:27" (1/1) ... [2024-11-10 18:31:27,433 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:31:27" (1/1) ... [2024-11-10 18:31:27,457 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 83 [2024-11-10 18:31:27,459 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:31:27,460 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:31:27,461 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:31:27,461 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:31:27,473 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:31:27" (1/1) ... [2024-11-10 18:31:27,474 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:31:27" (1/1) ... [2024-11-10 18:31:27,477 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:31:27" (1/1) ... [2024-11-10 18:31:27,490 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [2, 2]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2024-11-10 18:31:27,491 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:31:27" (1/1) ... [2024-11-10 18:31:27,491 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:31:27" (1/1) ... [2024-11-10 18:31:27,496 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:31:27" (1/1) ... [2024-11-10 18:31:27,496 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:31:27" (1/1) ... [2024-11-10 18:31:27,498 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:31:27" (1/1) ... [2024-11-10 18:31:27,499 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:31:27" (1/1) ... [2024-11-10 18:31:27,501 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:31:27,505 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:31:27,505 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:31:27,505 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:31:27,506 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:31:27" (1/1) ... [2024-11-10 18:31:27,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:31:27,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:31:27,542 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) [2024-11-10 18:31:27,548 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 [2024-11-10 18:31:27,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 18:31:27,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 18:31:27,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 18:31:27,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 18:31:27,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 18:31:27,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 18:31:27,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:31:27,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:31:27,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 18:31:27,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 18:31:27,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 18:31:27,680 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:31:27,682 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:31:27,873 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L18: call ULTIMATE.dealloc(main_~#A~0#1.base, main_~#A~0#1.offset);havoc main_~#A~0#1.base, main_~#A~0#1.offset; [2024-11-10 18:31:27,885 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-10 18:31:27,886 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:31:27,900 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:31:27,900 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:31:27,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:31:27 BoogieIcfgContainer [2024-11-10 18:31:27,901 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:31:27,904 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:31:27,904 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:31:27,908 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:31:27,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:31:27" (1/3) ... [2024-11-10 18:31:27,909 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e28a145 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:31:27, skipping insertion in model container [2024-11-10 18:31:27,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:31:27" (2/3) ... [2024-11-10 18:31:27,912 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e28a145 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:31:27, skipping insertion in model container [2024-11-10 18:31:27,912 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:31:27" (3/3) ... [2024-11-10 18:31:27,913 INFO L112 eAbstractionObserver]: Analyzing ICFG init-3-u.c [2024-11-10 18:31:27,930 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:31:27,930 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-11-10 18:31:27,987 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:31:27,994 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;@737e96d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:31:27,994 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-11-10 18:31:27,999 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 40 states have (on average 1.625) internal successors, (65), 52 states have internal predecessors, (65), 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) [2024-11-10 18:31:28,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-10 18:31:28,007 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:31:28,008 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-10 18:31:28,009 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 18:31:28,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:31:28,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1100971063, now seen corresponding path program 1 times [2024-11-10 18:31:28,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:31:28,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250056803] [2024-11-10 18:31:28,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:31:28,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:31:28,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:28,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:31:28,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:31:28,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250056803] [2024-11-10 18:31:28,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250056803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:31:28,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:31:28,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:31:28,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010111265] [2024-11-10 18:31:28,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:31:28,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 18:31:28,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:31:28,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 18:31:28,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 18:31:28,252 INFO L87 Difference]: Start difference. First operand has 53 states, 40 states have (on average 1.625) internal successors, (65), 52 states have internal predecessors, (65), 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 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2024-11-10 18:31:28,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:31:28,273 INFO L93 Difference]: Finished difference Result 103 states and 127 transitions. [2024-11-10 18:31:28,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 18:31:28,275 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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 [2024-11-10 18:31:28,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:31:28,283 INFO L225 Difference]: With dead ends: 103 [2024-11-10 18:31:28,284 INFO L226 Difference]: Without dead ends: 47 [2024-11-10 18:31:28,286 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 18:31:28,293 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:31:28,296 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:31:28,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-10 18:31:28,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-11-10 18:31:28,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 35 states have (on average 1.4857142857142858) internal successors, (52), 46 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) [2024-11-10 18:31:28,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2024-11-10 18:31:28,334 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 52 transitions. Word has length 6 [2024-11-10 18:31:28,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:31:28,335 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 52 transitions. [2024-11-10 18:31:28,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2024-11-10 18:31:28,336 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2024-11-10 18:31:28,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-10 18:31:28,337 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:31:28,338 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:31:28,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 18:31:28,338 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 18:31:28,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:31:28,340 INFO L85 PathProgramCache]: Analyzing trace with hash 229635060, now seen corresponding path program 1 times [2024-11-10 18:31:28,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:31:28,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775074955] [2024-11-10 18:31:28,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:31:28,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:31:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:28,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:31:28,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:31:28,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775074955] [2024-11-10 18:31:28,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775074955] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:31:28,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:31:28,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:31:28,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813654735] [2024-11-10 18:31:28,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:31:28,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:31:28,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:31:28,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:31:28,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:31:28,507 INFO L87 Difference]: Start difference. First operand 47 states and 52 transitions. Second operand has 4 states, 4 states have (on average 1.75) 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) [2024-11-10 18:31:28,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:31:28,602 INFO L93 Difference]: Finished difference Result 118 states and 136 transitions. [2024-11-10 18:31:28,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:31:28,603 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) 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 [2024-11-10 18:31:28,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:31:28,604 INFO L225 Difference]: With dead ends: 118 [2024-11-10 18:31:28,605 INFO L226 Difference]: Without dead ends: 73 [2024-11-10 18:31:28,605 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:31:28,607 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 74 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:31:28,607 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 66 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:31:28,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-10 18:31:28,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 67. [2024-11-10 18:31:28,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 55 states have (on average 1.4181818181818182) internal successors, (78), 66 states have internal predecessors, (78), 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) [2024-11-10 18:31:28,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 78 transitions. [2024-11-10 18:31:28,618 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 78 transitions. Word has length 7 [2024-11-10 18:31:28,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:31:28,618 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 78 transitions. [2024-11-10 18:31:28,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) 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) [2024-11-10 18:31:28,619 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 78 transitions. [2024-11-10 18:31:28,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-10 18:31:28,619 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:31:28,620 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:31:28,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 18:31:28,620 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 18:31:28,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:31:28,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1636036541, now seen corresponding path program 1 times [2024-11-10 18:31:28,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:31:28,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267133274] [2024-11-10 18:31:28,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:31:28,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:31:28,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:28,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:31:28,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:31:28,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267133274] [2024-11-10 18:31:28,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267133274] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:31:28,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:31:28,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:31:28,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997624423] [2024-11-10 18:31:28,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:31:28,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:31:28,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:31:28,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:31:28,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:31:28,729 INFO L87 Difference]: Start difference. First operand 67 states and 78 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:31:28,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:31:28,788 INFO L93 Difference]: Finished difference Result 95 states and 114 transitions. [2024-11-10 18:31:28,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:31:28,789 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-10 18:31:28,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:31:28,790 INFO L225 Difference]: With dead ends: 95 [2024-11-10 18:31:28,790 INFO L226 Difference]: Without dead ends: 91 [2024-11-10 18:31:28,790 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 [2024-11-10 18:31:28,792 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 8 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:31:28,792 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 78 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:31:28,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-10 18:31:28,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 87. [2024-11-10 18:31:28,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 75 states have (on average 1.36) internal successors, (102), 86 states have internal predecessors, (102), 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) [2024-11-10 18:31:28,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 102 transitions. [2024-11-10 18:31:28,809 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 102 transitions. Word has length 9 [2024-11-10 18:31:28,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:31:28,809 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 102 transitions. [2024-11-10 18:31:28,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:31:28,809 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 102 transitions. [2024-11-10 18:31:28,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-10 18:31:28,810 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:31:28,813 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:31:28,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 18:31:28,813 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 18:31:28,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:31:28,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1075069765, now seen corresponding path program 1 times [2024-11-10 18:31:28,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:31:28,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451654210] [2024-11-10 18:31:28,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:31:28,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:31:28,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:28,945 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:31:28,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:31:28,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451654210] [2024-11-10 18:31:28,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451654210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:31:28,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:31:28,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:31:28,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354235192] [2024-11-10 18:31:28,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:31:28,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:31:28,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:31:28,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:31:28,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:31:28,950 INFO L87 Difference]: Start difference. First operand 87 states and 102 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:31:29,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:31:29,034 INFO L93 Difference]: Finished difference Result 176 states and 206 transitions. [2024-11-10 18:31:29,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:31:29,035 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-10 18:31:29,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:31:29,037 INFO L225 Difference]: With dead ends: 176 [2024-11-10 18:31:29,037 INFO L226 Difference]: Without dead ends: 91 [2024-11-10 18:31:29,038 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:31:29,040 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 66 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:31:29,041 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 65 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:31:29,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-10 18:31:29,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 87. [2024-11-10 18:31:29,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 75 states have (on average 1.3066666666666666) internal successors, (98), 86 states have internal predecessors, (98), 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) [2024-11-10 18:31:29,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 98 transitions. [2024-11-10 18:31:29,052 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 98 transitions. Word has length 14 [2024-11-10 18:31:29,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:31:29,052 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 98 transitions. [2024-11-10 18:31:29,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:31:29,053 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 98 transitions. [2024-11-10 18:31:29,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-10 18:31:29,053 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:31:29,053 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:31:29,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 18:31:29,054 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 18:31:29,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:31:29,054 INFO L85 PathProgramCache]: Analyzing trace with hash 847844032, now seen corresponding path program 1 times [2024-11-10 18:31:29,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:31:29,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326314802] [2024-11-10 18:31:29,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:31:29,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:31:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:29,157 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:31:29,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:31:29,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326314802] [2024-11-10 18:31:29,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326314802] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:31:29,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [575001481] [2024-11-10 18:31:29,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:31:29,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:31:29,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:31:29,161 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) [2024-11-10 18:31:29,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 18:31:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:29,222 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:31:29,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:31:29,279 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:31:29,280 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:31:29,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [575001481] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:31:29,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:31:29,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-10 18:31:29,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175058017] [2024-11-10 18:31:29,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:31:29,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:31:29,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:31:29,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:31:29,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:31:29,282 INFO L87 Difference]: Start difference. First operand 87 states and 98 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:31:29,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:31:29,343 INFO L93 Difference]: Finished difference Result 91 states and 102 transitions. [2024-11-10 18:31:29,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:31:29,344 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-10 18:31:29,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:31:29,345 INFO L225 Difference]: With dead ends: 91 [2024-11-10 18:31:29,345 INFO L226 Difference]: Without dead ends: 89 [2024-11-10 18:31:29,345 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:31:29,346 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 14 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:31:29,346 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 110 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:31:29,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-10 18:31:29,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 85. [2024-11-10 18:31:29,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 75 states have (on average 1.2533333333333334) internal successors, (94), 84 states have internal predecessors, (94), 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) [2024-11-10 18:31:29,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 94 transitions. [2024-11-10 18:31:29,360 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 94 transitions. Word has length 14 [2024-11-10 18:31:29,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:31:29,361 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 94 transitions. [2024-11-10 18:31:29,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:31:29,361 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 94 transitions. [2024-11-10 18:31:29,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-10 18:31:29,362 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:31:29,362 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:31:29,376 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 18:31:29,565 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 [2024-11-10 18:31:29,566 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 18:31:29,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:31:29,567 INFO L85 PathProgramCache]: Analyzing trace with hash 513361241, now seen corresponding path program 1 times [2024-11-10 18:31:29,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:31:29,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681299212] [2024-11-10 18:31:29,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:31:29,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:31:29,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:29,651 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:31:29,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:31:29,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681299212] [2024-11-10 18:31:29,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681299212] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:31:29,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661431206] [2024-11-10 18:31:29,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:31:29,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:31:29,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:31:29,657 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) [2024-11-10 18:31:29,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 18:31:29,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:29,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:31:29,710 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:31:29,741 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:31:29,741 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:31:29,774 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:31:29,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1661431206] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:31:29,775 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:31:29,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-10 18:31:29,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730518218] [2024-11-10 18:31:29,775 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:31:29,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 18:31:29,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:31:29,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 18:31:29,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:31:29,780 INFO L87 Difference]: Start difference. First operand 85 states and 94 transitions. Second operand has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 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) [2024-11-10 18:31:29,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:31:29,874 INFO L93 Difference]: Finished difference Result 159 states and 190 transitions. [2024-11-10 18:31:29,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:31:29,875 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 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 15 [2024-11-10 18:31:29,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:31:29,877 INFO L225 Difference]: With dead ends: 159 [2024-11-10 18:31:29,879 INFO L226 Difference]: Without dead ends: 157 [2024-11-10 18:31:29,880 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:31:29,882 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 38 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:31:29,883 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 124 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:31:29,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-10 18:31:29,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2024-11-10 18:31:29,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 147 states have (on average 1.2108843537414966) internal successors, (178), 156 states have internal predecessors, (178), 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) [2024-11-10 18:31:29,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 178 transitions. [2024-11-10 18:31:29,901 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 178 transitions. Word has length 15 [2024-11-10 18:31:29,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:31:29,901 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 178 transitions. [2024-11-10 18:31:29,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 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) [2024-11-10 18:31:29,902 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 178 transitions. [2024-11-10 18:31:29,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-10 18:31:29,902 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:31:29,916 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:31:29,933 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 18:31:30,116 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 [2024-11-10 18:31:30,117 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 18:31:30,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:31:30,118 INFO L85 PathProgramCache]: Analyzing trace with hash -2000485480, now seen corresponding path program 1 times [2024-11-10 18:31:30,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:31:30,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005688286] [2024-11-10 18:31:30,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:31:30,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:31:30,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:30,169 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:31:30,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:31:30,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005688286] [2024-11-10 18:31:30,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005688286] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:31:30,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:31:30,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:31:30,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856376828] [2024-11-10 18:31:30,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:31:30,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:31:30,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:31:30,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:31:30,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:31:30,173 INFO L87 Difference]: Start difference. First operand 157 states and 178 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:31:30,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:31:30,217 INFO L93 Difference]: Finished difference Result 311 states and 353 transitions. [2024-11-10 18:31:30,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:31:30,218 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-10 18:31:30,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:31:30,220 INFO L225 Difference]: With dead ends: 311 [2024-11-10 18:31:30,220 INFO L226 Difference]: Without dead ends: 307 [2024-11-10 18:31:30,220 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 [2024-11-10 18:31:30,221 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 26 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:31:30,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 72 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:31:30,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2024-11-10 18:31:30,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 299. [2024-11-10 18:31:30,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 289 states have (on average 1.2006920415224913) internal successors, (347), 298 states have internal predecessors, (347), 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) [2024-11-10 18:31:30,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 347 transitions. [2024-11-10 18:31:30,251 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 347 transitions. Word has length 19 [2024-11-10 18:31:30,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:31:30,251 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 347 transitions. [2024-11-10 18:31:30,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:31:30,251 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 347 transitions. [2024-11-10 18:31:30,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-10 18:31:30,252 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:31:30,252 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:31:30,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 18:31:30,252 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 18:31:30,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:31:30,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1777853017, now seen corresponding path program 1 times [2024-11-10 18:31:30,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:31:30,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208257512] [2024-11-10 18:31:30,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:31:30,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:31:30,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:30,325 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:31:30,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:31:30,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208257512] [2024-11-10 18:31:30,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208257512] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:31:30,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976136545] [2024-11-10 18:31:30,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:31:30,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:31:30,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:31:30,328 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) [2024-11-10 18:31:30,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 18:31:30,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:30,382 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:31:30,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:31:30,453 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-10 18:31:30,454 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:31:30,514 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-10 18:31:30,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976136545] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:31:30,514 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:31:30,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 5, 5] total 10 [2024-11-10 18:31:30,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955460164] [2024-11-10 18:31:30,515 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:31:30,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 18:31:30,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:31:30,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 18:31:30,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-10 18:31:30,517 INFO L87 Difference]: Start difference. First operand 299 states and 347 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2024-11-10 18:31:30,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:31:30,813 INFO L93 Difference]: Finished difference Result 572 states and 662 transitions. [2024-11-10 18:31:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 18:31:30,814 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2024-11-10 18:31:30,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:31:30,815 INFO L225 Difference]: With dead ends: 572 [2024-11-10 18:31:30,815 INFO L226 Difference]: Without dead ends: 303 [2024-11-10 18:31:30,817 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2024-11-10 18:31:30,817 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 360 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:31:30,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 134 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:31:30,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-11-10 18:31:30,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 297. [2024-11-10 18:31:30,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 289 states have (on average 1.1038062283737025) internal successors, (319), 296 states have internal predecessors, (319), 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) [2024-11-10 18:31:30,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 319 transitions. [2024-11-10 18:31:30,835 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 319 transitions. Word has length 26 [2024-11-10 18:31:30,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:31:30,836 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 319 transitions. [2024-11-10 18:31:30,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2024-11-10 18:31:30,836 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 319 transitions. [2024-11-10 18:31:30,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-10 18:31:30,837 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:31:30,838 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:31:30,855 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 18:31:31,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:31:31,039 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 18:31:31,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:31:31,039 INFO L85 PathProgramCache]: Analyzing trace with hash -309099460, now seen corresponding path program 2 times [2024-11-10 18:31:31,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:31:31,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677505774] [2024-11-10 18:31:31,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:31:31,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:31:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:31,093 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-10 18:31:31,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:31:31,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677505774] [2024-11-10 18:31:31,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677505774] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:31:31,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [563418034] [2024-11-10 18:31:31,094 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:31:31,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:31:31,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:31:31,096 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) [2024-11-10 18:31:31,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 18:31:31,146 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-10 18:31:31,146 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:31:31,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:31:31,148 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:31:31,196 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-10 18:31:31,196 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:31:31,252 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-10 18:31:31,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [563418034] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:31:31,253 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:31:31,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-10 18:31:31,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719136172] [2024-11-10 18:31:31,254 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:31:31,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:31:31,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:31:31,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:31:31,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:31:31,255 INFO L87 Difference]: Start difference. First operand 297 states and 319 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:31:31,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:31:31,305 INFO L93 Difference]: Finished difference Result 297 states and 319 transitions. [2024-11-10 18:31:31,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:31:31,306 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2024-11-10 18:31:31,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:31:31,307 INFO L225 Difference]: With dead ends: 297 [2024-11-10 18:31:31,307 INFO L226 Difference]: Without dead ends: 295 [2024-11-10 18:31:31,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:31:31,308 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 93 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:31:31,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 57 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:31:31,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-11-10 18:31:31,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 271. [2024-11-10 18:31:31,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 265 states have (on average 1.0830188679245283) internal successors, (287), 270 states have internal predecessors, (287), 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) [2024-11-10 18:31:31,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 287 transitions. [2024-11-10 18:31:31,321 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 287 transitions. Word has length 30 [2024-11-10 18:31:31,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:31:31,321 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 287 transitions. [2024-11-10 18:31:31,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:31:31,321 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 287 transitions. [2024-11-10 18:31:31,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-10 18:31:31,323 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:31:31,323 INFO L215 NwaCegarLoop]: trace histogram [10, 8, 8, 8, 8, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:31:31,340 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-10 18:31:31,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:31:31,528 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 18:31:31,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:31:31,528 INFO L85 PathProgramCache]: Analyzing trace with hash 57122611, now seen corresponding path program 1 times [2024-11-10 18:31:31,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:31:31,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101969900] [2024-11-10 18:31:31,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:31:31,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:31:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:31,631 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-10 18:31:31,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:31:31,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101969900] [2024-11-10 18:31:31,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101969900] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:31:31,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [867209329] [2024-11-10 18:31:31,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:31:31,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:31:31,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:31:31,634 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) [2024-11-10 18:31:31,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 18:31:31,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:31,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 18:31:31,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:31:31,833 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 100 proven. 38 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 18:31:31,833 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:31:31,931 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 100 proven. 38 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 18:31:31,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [867209329] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:31:31,931 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:31:31,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 8, 8] total 16 [2024-11-10 18:31:31,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117078893] [2024-11-10 18:31:31,931 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:31:31,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 18:31:31,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:31:31,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 18:31:31,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2024-11-10 18:31:31,933 INFO L87 Difference]: Start difference. First operand 271 states and 287 transitions. Second operand has 16 states, 16 states have (on average 5.6875) internal successors, (91), 16 states have internal predecessors, (91), 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) [2024-11-10 18:31:32,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:31:32,607 INFO L93 Difference]: Finished difference Result 1074 states and 1188 transitions. [2024-11-10 18:31:32,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-10 18:31:32,608 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 5.6875) internal successors, (91), 16 states have internal predecessors, (91), 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 57 [2024-11-10 18:31:32,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:31:32,612 INFO L225 Difference]: With dead ends: 1074 [2024-11-10 18:31:32,612 INFO L226 Difference]: Without dead ends: 831 [2024-11-10 18:31:32,614 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=643, Invalid=1163, Unknown=0, NotChecked=0, Total=1806 [2024-11-10 18:31:32,617 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 985 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 985 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:31:32,618 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [985 Valid, 143 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:31:32,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2024-11-10 18:31:32,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 827. [2024-11-10 18:31:32,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 827 states, 821 states have (on average 1.0316686967113275) internal successors, (847), 826 states have internal predecessors, (847), 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) [2024-11-10 18:31:32,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 847 transitions. [2024-11-10 18:31:32,648 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 847 transitions. Word has length 57 [2024-11-10 18:31:32,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:31:32,648 INFO L471 AbstractCegarLoop]: Abstraction has 827 states and 847 transitions. [2024-11-10 18:31:32,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.6875) internal successors, (91), 16 states have internal predecessors, (91), 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) [2024-11-10 18:31:32,649 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 847 transitions. [2024-11-10 18:31:32,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-10 18:31:32,660 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:31:32,660 INFO L215 NwaCegarLoop]: trace histogram [33, 30, 30, 30, 30, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1] [2024-11-10 18:31:32,678 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 18:31:32,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-10 18:31:32,861 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 18:31:32,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:31:32,862 INFO L85 PathProgramCache]: Analyzing trace with hash 535283866, now seen corresponding path program 2 times [2024-11-10 18:31:32,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:31:32,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004192260] [2024-11-10 18:31:32,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:31:32,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:31:32,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:33,066 INFO L134 CoverageAnalysis]: Checked inductivity of 2374 backedges. 0 proven. 1088 refuted. 0 times theorem prover too weak. 1286 trivial. 0 not checked. [2024-11-10 18:31:33,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:31:33,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004192260] [2024-11-10 18:31:33,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004192260] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:31:33,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1240961526] [2024-11-10 18:31:33,067 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:31:33,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:31:33,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:31:33,069 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) [2024-11-10 18:31:33,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 18:31:33,140 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-10 18:31:33,140 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:31:33,141 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:31:33,144 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:31:33,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2374 backedges. 0 proven. 1088 refuted. 0 times theorem prover too weak. 1286 trivial. 0 not checked. [2024-11-10 18:31:33,340 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:31:33,562 INFO L134 CoverageAnalysis]: Checked inductivity of 2374 backedges. 0 proven. 1088 refuted. 0 times theorem prover too weak. 1286 trivial. 0 not checked. [2024-11-10 18:31:33,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1240961526] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:31:33,563 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:31:33,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-10 18:31:33,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295868295] [2024-11-10 18:31:33,564 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:31:33,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:31:33,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:31:33,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:31:33,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:31:33,565 INFO L87 Difference]: Start difference. First operand 827 states and 847 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 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) [2024-11-10 18:31:33,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:31:33,620 INFO L93 Difference]: Finished difference Result 827 states and 847 transitions. [2024-11-10 18:31:33,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:31:33,621 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 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 174 [2024-11-10 18:31:33,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:31:33,624 INFO L225 Difference]: With dead ends: 827 [2024-11-10 18:31:33,625 INFO L226 Difference]: Without dead ends: 825 [2024-11-10 18:31:33,625 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:31:33,626 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 47 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:31:33,626 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 61 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:31:33,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2024-11-10 18:31:33,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 569. [2024-11-10 18:31:33,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 565 states have (on average 1.031858407079646) internal successors, (583), 568 states have internal predecessors, (583), 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) [2024-11-10 18:31:33,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 583 transitions. [2024-11-10 18:31:33,654 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 583 transitions. Word has length 174 [2024-11-10 18:31:33,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:31:33,654 INFO L471 AbstractCegarLoop]: Abstraction has 569 states and 583 transitions. [2024-11-10 18:31:33,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 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) [2024-11-10 18:31:33,655 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 583 transitions. [2024-11-10 18:31:33,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2024-11-10 18:31:33,657 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:31:33,657 INFO L215 NwaCegarLoop]: trace histogram [44, 40, 40, 40, 40, 6, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-10 18:31:33,675 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-10 18:31:33,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:31:33,859 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 18:31:33,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:31:33,859 INFO L85 PathProgramCache]: Analyzing trace with hash 2086064226, now seen corresponding path program 1 times [2024-11-10 18:31:33,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:31:33,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313532924] [2024-11-10 18:31:33,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:31:33,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:31:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:34,119 INFO L134 CoverageAnalysis]: Checked inductivity of 4283 backedges. 0 proven. 2201 refuted. 0 times theorem prover too weak. 2082 trivial. 0 not checked. [2024-11-10 18:31:34,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:31:34,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313532924] [2024-11-10 18:31:34,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313532924] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:31:34,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [999224629] [2024-11-10 18:31:34,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:31:34,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:31:34,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:31:34,122 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) [2024-11-10 18:31:34,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 18:31:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:34,259 INFO L255 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 18:31:34,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:31:34,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4283 backedges. 1638 proven. 245 refuted. 0 times theorem prover too weak. 2400 trivial. 0 not checked. [2024-11-10 18:31:34,572 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:31:34,860 INFO L134 CoverageAnalysis]: Checked inductivity of 4283 backedges. 1638 proven. 245 refuted. 0 times theorem prover too weak. 2400 trivial. 0 not checked. [2024-11-10 18:31:34,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [999224629] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:31:34,860 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:31:34,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 14, 14] total 28 [2024-11-10 18:31:34,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410059683] [2024-11-10 18:31:34,860 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:31:34,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-10 18:31:34,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:31:34,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-10 18:31:34,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=449, Unknown=0, NotChecked=0, Total=756 [2024-11-10 18:31:34,863 INFO L87 Difference]: Start difference. First operand 569 states and 583 transitions. Second operand has 28 states, 28 states have (on average 5.928571428571429) internal successors, (166), 28 states have internal predecessors, (166), 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) [2024-11-10 18:31:36,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:31:36,391 INFO L93 Difference]: Finished difference Result 1656 states and 1780 transitions. [2024-11-10 18:31:36,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-10 18:31:36,392 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 5.928571428571429) internal successors, (166), 28 states have internal predecessors, (166), 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 242 [2024-11-10 18:31:36,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:31:36,396 INFO L225 Difference]: With dead ends: 1656 [2024-11-10 18:31:36,396 INFO L226 Difference]: Without dead ends: 1145 [2024-11-10 18:31:36,399 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 531 GetRequests, 459 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1254 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1549, Invalid=3853, Unknown=0, NotChecked=0, Total=5402 [2024-11-10 18:31:36,399 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 1522 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1522 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 18:31:36,400 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1522 Valid, 345 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 18:31:36,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1145 states. [2024-11-10 18:31:36,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1145 to 1143. [2024-11-10 18:31:36,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1143 states, 1141 states have (on average 1.0131463628396145) internal successors, (1156), 1142 states have internal predecessors, (1156), 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) [2024-11-10 18:31:36,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 1143 states and 1156 transitions. [2024-11-10 18:31:36,436 INFO L78 Accepts]: Start accepts. Automaton has 1143 states and 1156 transitions. Word has length 242 [2024-11-10 18:31:36,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:31:36,436 INFO L471 AbstractCegarLoop]: Abstraction has 1143 states and 1156 transitions. [2024-11-10 18:31:36,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 5.928571428571429) internal successors, (166), 28 states have internal predecessors, (166), 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) [2024-11-10 18:31:36,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1156 transitions. [2024-11-10 18:31:36,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2024-11-10 18:31:36,443 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:31:36,443 INFO L215 NwaCegarLoop]: trace histogram [92, 88, 88, 88, 88, 6, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-10 18:31:36,462 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-10 18:31:36,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:31:36,645 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 18:31:36,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:31:36,645 INFO L85 PathProgramCache]: Analyzing trace with hash 787865069, now seen corresponding path program 1 times [2024-11-10 18:31:36,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:31:36,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813323156] [2024-11-10 18:31:36,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:31:36,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:31:36,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:37,078 INFO L134 CoverageAnalysis]: Checked inductivity of 19908 backedges. 0 proven. 10074 refuted. 0 times theorem prover too weak. 9834 trivial. 0 not checked. [2024-11-10 18:31:37,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:31:37,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813323156] [2024-11-10 18:31:37,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813323156] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:31:37,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1475767267] [2024-11-10 18:31:37,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:31:37,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:31:37,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:31:37,081 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) [2024-11-10 18:31:37,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 18:31:37,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:37,335 INFO L255 TraceCheckSpWp]: Trace formula consists of 985 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-10 18:31:37,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:31:38,018 INFO L134 CoverageAnalysis]: Checked inductivity of 19908 backedges. 7542 proven. 1199 refuted. 0 times theorem prover too weak. 11167 trivial. 0 not checked. [2024-11-10 18:31:38,018 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:31:38,813 INFO L134 CoverageAnalysis]: Checked inductivity of 19908 backedges. 7542 proven. 1199 refuted. 0 times theorem prover too weak. 11167 trivial. 0 not checked. [2024-11-10 18:31:38,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1475767267] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:31:38,814 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:31:38,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 26, 26] total 52 [2024-11-10 18:31:38,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555402583] [2024-11-10 18:31:38,814 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:31:38,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-11-10 18:31:38,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:31:38,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-11-10 18:31:38,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1184, Invalid=1468, Unknown=0, NotChecked=0, Total=2652 [2024-11-10 18:31:38,819 INFO L87 Difference]: Start difference. First operand 1143 states and 1156 transitions. Second operand has 52 states, 52 states have (on average 5.519230769230769) internal successors, (287), 52 states have internal predecessors, (287), 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) [2024-11-10 18:31:43,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:31:43,975 INFO L93 Difference]: Finished difference Result 4468 states and 4790 transitions. [2024-11-10 18:31:43,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-11-10 18:31:43,976 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 5.519230769230769) internal successors, (287), 52 states have internal predecessors, (287), 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 483 [2024-11-10 18:31:43,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:31:43,987 INFO L225 Difference]: With dead ends: 4468 [2024-11-10 18:31:43,987 INFO L226 Difference]: Without dead ends: 3443 [2024-11-10 18:31:43,995 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1084 GetRequests, 917 SyntacticMatches, 0 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9180 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=9913, Invalid=18479, Unknown=0, NotChecked=0, Total=28392 [2024-11-10 18:31:43,998 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 4800 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 619 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4800 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 1096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 619 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 18:31:43,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4800 Valid, 275 Invalid, 1096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [619 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 18:31:44,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3443 states. [2024-11-10 18:31:44,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3443 to 3441. [2024-11-10 18:31:44,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3441 states, 3439 states have (on average 1.0061064262867112) internal successors, (3460), 3440 states have internal predecessors, (3460), 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) [2024-11-10 18:31:44,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3441 states to 3441 states and 3460 transitions. [2024-11-10 18:31:44,133 INFO L78 Accepts]: Start accepts. Automaton has 3441 states and 3460 transitions. Word has length 483 [2024-11-10 18:31:44,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:31:44,134 INFO L471 AbstractCegarLoop]: Abstraction has 3441 states and 3460 transitions. [2024-11-10 18:31:44,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 5.519230769230769) internal successors, (287), 52 states have internal predecessors, (287), 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) [2024-11-10 18:31:44,135 INFO L276 IsEmpty]: Start isEmpty. Operand 3441 states and 3460 transitions. [2024-11-10 18:31:44,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1445 [2024-11-10 18:31:44,184 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:31:44,184 INFO L215 NwaCegarLoop]: trace histogram [282, 276, 276, 276, 276, 9, 6, 6, 6, 6, 6, 3, 3, 3, 3, 2, 2, 1, 1, 1] [2024-11-10 18:31:44,200 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-10 18:31:44,388 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,SelfDestructingSolverStorable12 [2024-11-10 18:31:44,389 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 18:31:44,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:31:44,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1240127867, now seen corresponding path program 2 times [2024-11-10 18:31:44,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:31:44,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014424995] [2024-11-10 18:31:44,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:31:44,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:31:44,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:45,722 INFO L134 CoverageAnalysis]: Checked inductivity of 193222 backedges. 0 proven. 86192 refuted. 0 times theorem prover too weak. 107030 trivial. 0 not checked. [2024-11-10 18:31:45,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:31:45,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014424995] [2024-11-10 18:31:45,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014424995] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:31:45,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190718016] [2024-11-10 18:31:45,723 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:31:45,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:31:45,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:31:45,725 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) [2024-11-10 18:31:45,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 18:31:45,989 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-10 18:31:45,989 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:31:45,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:31:46,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:31:47,344 INFO L134 CoverageAnalysis]: Checked inductivity of 193222 backedges. 0 proven. 86192 refuted. 0 times theorem prover too weak. 107030 trivial. 0 not checked. [2024-11-10 18:31:47,345 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:31:48,583 INFO L134 CoverageAnalysis]: Checked inductivity of 193222 backedges. 0 proven. 86192 refuted. 0 times theorem prover too weak. 107030 trivial. 0 not checked. [2024-11-10 18:31:48,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1190718016] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:31:48,584 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:31:48,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-10 18:31:48,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572640622] [2024-11-10 18:31:48,585 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:31:48,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:31:48,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:31:48,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:31:48,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:31:48,588 INFO L87 Difference]: Start difference. First operand 3441 states and 3460 transitions. Second operand has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 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) [2024-11-10 18:31:48,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:31:48,690 INFO L93 Difference]: Finished difference Result 3441 states and 3460 transitions. [2024-11-10 18:31:48,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:31:48,691 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 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 1444 [2024-11-10 18:31:48,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:31:48,693 INFO L225 Difference]: With dead ends: 3441 [2024-11-10 18:31:48,693 INFO L226 Difference]: Without dead ends: 0 [2024-11-10 18:31:48,697 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2891 GetRequests, 2885 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:31:48,697 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 66 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:31:48,698 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 28 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:31:48,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-10 18:31:48,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-10 18:31:48,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:31:48,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-10 18:31:48,699 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1444 [2024-11-10 18:31:48,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:31:48,700 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 18:31:48,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 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) [2024-11-10 18:31:48,700 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-10 18:31:48,700 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-10 18:31:48,703 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2024-11-10 18:31:48,703 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2024-11-10 18:31:48,704 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2024-11-10 18:31:48,704 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2024-11-10 18:31:48,704 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2024-11-10 18:31:48,704 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2024-11-10 18:31:48,704 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2024-11-10 18:31:48,704 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2024-11-10 18:31:48,705 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2024-11-10 18:31:48,705 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2024-11-10 18:31:48,705 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2024-11-10 18:31:48,705 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2024-11-10 18:31:48,724 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-10 18:31:48,909 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,SelfDestructingSolverStorable13 [2024-11-10 18:31:48,913 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:31:48,915 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-10 18:31:55,865 WARN L286 SmtUtils]: Spent 6.94s on a formula simplification. DAG size of input: 465 DAG size of output: 406 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-10 18:32:01,416 WARN L286 SmtUtils]: Spent 5.55s on a formula simplification. DAG size of input: 465 DAG size of output: 406 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-10 18:32:06,575 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 18:32:06,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 06:32:06 BoogieIcfgContainer [2024-11-10 18:32:06,586 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 18:32:06,586 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 18:32:06,586 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 18:32:06,587 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 18:32:06,587 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:31:27" (3/4) ... [2024-11-10 18:32:06,593 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 18:32:06,601 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-10 18:32:06,601 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-10 18:32:06,601 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 18:32:06,601 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 18:32:06,687 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 18:32:06,688 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 18:32:06,688 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 18:32:06,688 INFO L158 Benchmark]: Toolchain (without parser) took 39538.36ms. Allocated memory was 130.0MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 75.2MB in the beginning and 894.2MB in the end (delta: -819.0MB). Peak memory consumption was 219.7MB. Max. memory is 16.1GB. [2024-11-10 18:32:06,688 INFO L158 Benchmark]: CDTParser took 0.98ms. Allocated memory is still 130.0MB. Free memory is still 90.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 18:32:06,689 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.87ms. Allocated memory is still 130.0MB. Free memory was 75.0MB in the beginning and 62.1MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-10 18:32:06,689 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.22ms. Allocated memory is still 130.0MB. Free memory was 62.1MB in the beginning and 60.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 18:32:06,689 INFO L158 Benchmark]: Boogie Preprocessor took 43.64ms. Allocated memory is still 130.0MB. Free memory was 60.6MB in the beginning and 58.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 18:32:06,689 INFO L158 Benchmark]: IcfgBuilder took 396.27ms. Allocated memory was 130.0MB in the beginning and 178.3MB in the end (delta: 48.2MB). Free memory was 58.7MB in the beginning and 142.9MB in the end (delta: -84.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-10 18:32:06,690 INFO L158 Benchmark]: TraceAbstraction took 38682.27ms. Allocated memory was 178.3MB in the beginning and 1.2GB in the end (delta: 989.9MB). Free memory was 141.9MB in the beginning and 899.4MB in the end (delta: -757.6MB). Peak memory consumption was 729.3MB. Max. memory is 16.1GB. [2024-11-10 18:32:06,690 INFO L158 Benchmark]: Witness Printer took 101.64ms. Allocated memory is still 1.2GB. Free memory was 899.4MB in the beginning and 894.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 18:32:06,691 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.98ms. Allocated memory is still 130.0MB. Free memory is still 90.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 260.87ms. Allocated memory is still 130.0MB. Free memory was 75.0MB in the beginning and 62.1MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.22ms. Allocated memory is still 130.0MB. Free memory was 62.1MB in the beginning and 60.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.64ms. Allocated memory is still 130.0MB. Free memory was 60.6MB in the beginning and 58.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 396.27ms. Allocated memory was 130.0MB in the beginning and 178.3MB in the end (delta: 48.2MB). Free memory was 58.7MB in the beginning and 142.9MB in the end (delta: -84.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 38682.27ms. Allocated memory was 178.3MB in the beginning and 1.2GB in the end (delta: 989.9MB). Free memory was 141.9MB in the beginning and 899.4MB in the end (delta: -757.6MB). Peak memory consumption was 729.3MB. Max. memory is 16.1GB. * Witness Printer took 101.64ms. Allocated memory is still 1.2GB. Free memory was 899.4MB in the beginning and 894.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 53 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 20.9s, OverallIterations: 14, TraceHistogramMax: 282, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 8.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8099 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8099 mSDsluCounter, 1615 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1146 mSDsCounter, 949 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1730 IncrementalHoareTripleChecker+Invalid, 2679 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 949 mSolverCounterUnsat, 469 mSDtfsCounter, 1730 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5186 GetRequests, 4856 SyntacticMatches, 0 SemanticMatches, 330 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10960 ImplicationChecksByTransitivity, 6.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3441occurred in iteration=13, InterpolantAutomatonStates: 281, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 320 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 8.2s InterpolantComputationTime, 5025 NumberOfCodeBlocks, 3405 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 7465 ConstructedInterpolants, 0 QuantifiedInterpolants, 21049 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2034 ConjunctsInSsa, 64 ConjunctsInUnsatCore, 31 InterpolantComputations, 6 PerfectInterpolantSequences, 382873/660111 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 47]: Location Invariant Derived location invariant: null - InvariantResult [Line: 44]: Location Invariant Derived location invariant: null - InvariantResult [Line: 27]: Location Invariant Derived location invariant: null - InvariantResult [Line: 49]: Location Invariant Derived location invariant: null - InvariantResult [Line: 29]: Location Invariant Derived location invariant: null - InvariantResult [Line: 24]: Location Invariant Derived location invariant: null RESULT: Ultimate proved your program to be correct! [2024-11-10 18:32:06,722 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE