./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-lopstr16/flag_loopdep_simple.i --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-lopstr16/flag_loopdep_simple.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2e1c46549da470f14361a9b2a5fb79d079bbffb4006138f4fef05b9b152f9be7 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:32:04,939 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:32:05,018 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 18:32:05,024 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:32:05,024 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:32:05,051 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:32:05,052 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:32:05,052 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:32:05,053 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:32:05,055 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:32:05,055 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:32:05,055 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:32:05,056 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:32:05,058 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:32:05,058 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:32:05,058 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:32:05,059 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 18:32:05,059 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 18:32:05,059 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:32:05,059 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 18:32:05,060 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:32:05,064 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 18:32:05,064 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:32:05,064 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 18:32:05,064 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:32:05,065 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 18:32:05,065 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:32:05,065 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 18:32:05,065 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 18:32:05,066 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:32:05,066 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:32:05,066 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:32:05,066 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:32:05,066 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:32:05,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:32:05,067 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:32:05,068 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:32:05,068 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 18:32:05,068 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:32:05,069 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:32:05,069 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:32:05,069 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:32:05,069 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:32:05,070 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:32:05,070 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e1c46549da470f14361a9b2a5fb79d079bbffb4006138f4fef05b9b152f9be7 [2024-11-10 18:32:05,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:32:05,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:32:05,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:32:05,351 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:32:05,352 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:32:05,353 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-lopstr16/flag_loopdep_simple.i [2024-11-10 18:32:06,694 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:32:06,871 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:32:06,871 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-lopstr16/flag_loopdep_simple.i [2024-11-10 18:32:06,878 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca96b0a59/823b2e20a70b4504aac582b9d5fa9dd6/FLAGe84c3787f [2024-11-10 18:32:06,890 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca96b0a59/823b2e20a70b4504aac582b9d5fa9dd6 [2024-11-10 18:32:06,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:32:06,894 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:32:06,895 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:32:06,895 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:32:06,901 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:32:06,901 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:32:06" (1/1) ... [2024-11-10 18:32:06,903 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc6d715 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:32:06, skipping insertion in model container [2024-11-10 18:32:06,904 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:32:06" (1/1) ... [2024-11-10 18:32:06,929 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:32:07,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:32:07,134 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:32:07,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:32:07,175 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:32:07,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:32:07 WrapperNode [2024-11-10 18:32:07,176 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:32:07,177 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:32:07,177 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:32:07,177 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:32:07,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:32:07" (1/1) ... [2024-11-10 18:32:07,192 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:32:07" (1/1) ... [2024-11-10 18:32:07,209 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 68 [2024-11-10 18:32:07,210 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:32:07,211 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:32:07,211 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:32:07,211 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:32:07,221 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:32:07" (1/1) ... [2024-11-10 18:32:07,221 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:32:07" (1/1) ... [2024-11-10 18:32:07,227 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:32:07" (1/1) ... [2024-11-10 18:32:07,246 INFO L175 MemorySlicer]: Split 5 memory accesses to 2 slices as follows [2, 3]. 60 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 18:32:07,247 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:32:07" (1/1) ... [2024-11-10 18:32:07,247 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:32:07" (1/1) ... [2024-11-10 18:32:07,254 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:32:07" (1/1) ... [2024-11-10 18:32:07,254 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:32:07" (1/1) ... [2024-11-10 18:32:07,259 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:32:07" (1/1) ... [2024-11-10 18:32:07,260 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:32:07" (1/1) ... [2024-11-10 18:32:07,261 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:32:07,262 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:32:07,263 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:32:07,263 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:32:07,266 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:32:07" (1/1) ... [2024-11-10 18:32:07,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:32:07,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:32:07,296 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 18:32:07,300 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 18:32:07,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 18:32:07,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 18:32:07,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 18:32:07,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 18:32:07,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 18:32:07,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 18:32:07,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:32:07,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:32:07,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 18:32:07,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 18:32:07,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 18:32:07,413 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:32:07,416 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:32:07,570 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L29: 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 18:32:07,581 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-10 18:32:07,581 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:32:07,593 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:32:07,593 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:32:07,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:32:07 BoogieIcfgContainer [2024-11-10 18:32:07,594 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:32:07,597 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:32:07,597 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:32:07,601 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:32:07,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:32:06" (1/3) ... [2024-11-10 18:32:07,602 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f8b0029 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:32:07, skipping insertion in model container [2024-11-10 18:32:07,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:32:07" (2/3) ... [2024-11-10 18:32:07,603 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f8b0029 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:32:07, skipping insertion in model container [2024-11-10 18:32:07,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:32:07" (3/3) ... [2024-11-10 18:32:07,605 INFO L112 eAbstractionObserver]: Analyzing ICFG flag_loopdep_simple.i [2024-11-10 18:32:07,621 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:32:07,622 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-10 18:32:07,685 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:32:07,693 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;@5c9c52a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:32:07,694 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-10 18:32:07,700 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 31 states have (on average 1.5161290322580645) internal successors, (47), 37 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 18:32:07,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-10 18:32:07,705 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:32:07,706 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-10 18:32:07,707 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:32:07,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:32:07,714 INFO L85 PathProgramCache]: Analyzing trace with hash 77265900, now seen corresponding path program 1 times [2024-11-10 18:32:07,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:32:07,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077750614] [2024-11-10 18:32:07,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:32:07,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:32:07,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:32:08,030 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 18:32:08,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:32:08,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077750614] [2024-11-10 18:32:08,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077750614] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:32:08,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:32:08,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:32:08,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609204599] [2024-11-10 18:32:08,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:32:08,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:32:08,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:32:08,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:32:08,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:32:08,067 INFO L87 Difference]: Start difference. First operand has 38 states, 31 states have (on average 1.5161290322580645) internal successors, (47), 37 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) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:32:08,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:32:08,126 INFO L93 Difference]: Finished difference Result 73 states and 91 transitions. [2024-11-10 18:32:08,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:32:08,129 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-10 18:32:08,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:32:08,136 INFO L225 Difference]: With dead ends: 73 [2024-11-10 18:32:08,136 INFO L226 Difference]: Without dead ends: 36 [2024-11-10 18:32:08,138 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:32:08,142 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 2 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:32:08,143 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 102 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:32:08,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-10 18:32:08,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2024-11-10 18:32:08,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 34 states have internal predecessors, (40), 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 18:32:08,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2024-11-10 18:32:08,188 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 40 transitions. Word has length 5 [2024-11-10 18:32:08,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:32:08,189 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 40 transitions. [2024-11-10 18:32:08,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:32:08,191 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2024-11-10 18:32:08,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-10 18:32:08,207 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:32:08,207 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:32:08,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 18:32:08,208 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:32:08,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:32:08,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1048088917, now seen corresponding path program 1 times [2024-11-10 18:32:08,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:32:08,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85607915] [2024-11-10 18:32:08,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:32:08,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:32:08,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:32:08,346 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 18:32:08,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:32:08,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85607915] [2024-11-10 18:32:08,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85607915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:32:08,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:32:08,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:32:08,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175843636] [2024-11-10 18:32:08,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:32:08,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:32:08,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:32:08,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:32:08,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:32:08,356 INFO L87 Difference]: Start difference. First operand 35 states and 40 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:32:08,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:32:08,369 INFO L93 Difference]: Finished difference Result 57 states and 65 transitions. [2024-11-10 18:32:08,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:32:08,370 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-10 18:32:08,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:32:08,371 INFO L225 Difference]: With dead ends: 57 [2024-11-10 18:32:08,371 INFO L226 Difference]: Without dead ends: 35 [2024-11-10 18:32:08,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:32:08,373 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 0 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:32:08,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:32:08,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-11-10 18:32:08,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2024-11-10 18:32:08,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 34 states have internal predecessors, (39), 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 18:32:08,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 39 transitions. [2024-11-10 18:32:08,378 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 39 transitions. Word has length 10 [2024-11-10 18:32:08,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:32:08,379 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 39 transitions. [2024-11-10 18:32:08,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:32:08,379 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2024-11-10 18:32:08,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-10 18:32:08,380 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:32:08,380 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2024-11-10 18:32:08,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 18:32:08,380 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:32:08,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:32:08,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1353523294, now seen corresponding path program 1 times [2024-11-10 18:32:08,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:32:08,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696308054] [2024-11-10 18:32:08,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:32:08,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:32:08,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:32:08,493 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 18:32:08,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:32:08,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696308054] [2024-11-10 18:32:08,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696308054] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:32:08,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420255083] [2024-11-10 18:32:08,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:32:08,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:32:08,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:32:08,497 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 18:32:08,498 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 18:32:08,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:32:08,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:32:08,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:32:08,657 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 18:32:08,658 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:32:08,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1420255083] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:32:08,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:32:08,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-10 18:32:08,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616479021] [2024-11-10 18:32:08,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:32:08,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:32:08,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:32:08,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:32:08,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:32:08,662 INFO L87 Difference]: Start difference. First operand 35 states and 39 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:32:08,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:32:08,706 INFO L93 Difference]: Finished difference Result 36 states and 40 transitions. [2024-11-10 18:32:08,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:32:08,708 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-10 18:32:08,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:32:08,709 INFO L225 Difference]: With dead ends: 36 [2024-11-10 18:32:08,709 INFO L226 Difference]: Without dead ends: 35 [2024-11-10 18:32:08,709 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:32:08,711 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 2 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:32:08,711 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 82 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:32:08,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-11-10 18:32:08,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2024-11-10 18:32:08,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 33 states have internal predecessors, (38), 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 18:32:08,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2024-11-10 18:32:08,717 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 10 [2024-11-10 18:32:08,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:32:08,717 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2024-11-10 18:32:08,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:32:08,718 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2024-11-10 18:32:08,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-10 18:32:08,718 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:32:08,719 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2024-11-10 18:32:08,732 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-10 18:32:08,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:32:08,920 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:32:08,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:32:08,920 INFO L85 PathProgramCache]: Analyzing trace with hash 990450856, now seen corresponding path program 1 times [2024-11-10 18:32:08,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:32:08,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148997634] [2024-11-10 18:32:08,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:32:08,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:32:08,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:32:09,013 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 18:32:09,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:32:09,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148997634] [2024-11-10 18:32:09,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148997634] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:32:09,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [377288101] [2024-11-10 18:32:09,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:32:09,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:32:09,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:32:09,019 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 18:32:09,021 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 18:32:09,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:32:09,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:32:09,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:32:09,113 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 18:32:09,114 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:32:09,165 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 18:32:09,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [377288101] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:32:09,166 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:32:09,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-10 18:32:09,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337597870] [2024-11-10 18:32:09,166 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:32:09,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 18:32:09,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:32:09,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 18:32:09,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:32:09,171 INFO L87 Difference]: Start difference. First operand 34 states and 38 transitions. Second operand has 12 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 12 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 18:32:09,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:32:09,230 INFO L93 Difference]: Finished difference Result 50 states and 59 transitions. [2024-11-10 18:32:09,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 18:32:09,231 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 12 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 11 [2024-11-10 18:32:09,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:32:09,232 INFO L225 Difference]: With dead ends: 50 [2024-11-10 18:32:09,233 INFO L226 Difference]: Without dead ends: 49 [2024-11-10 18:32:09,233 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:32:09,234 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 2 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:32:09,236 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 111 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:32:09,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-10 18:32:09,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-10 18:32:09,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 44 states have (on average 1.2727272727272727) internal successors, (56), 48 states have internal predecessors, (56), 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 18:32:09,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 56 transitions. [2024-11-10 18:32:09,244 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 56 transitions. Word has length 11 [2024-11-10 18:32:09,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:32:09,245 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 56 transitions. [2024-11-10 18:32:09,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 12 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 18:32:09,245 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 56 transitions. [2024-11-10 18:32:09,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-10 18:32:09,245 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:32:09,246 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:32:09,260 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-10 18:32:09,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-10 18:32:09,447 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:32:09,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:32:09,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1086885727, now seen corresponding path program 1 times [2024-11-10 18:32:09,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:32:09,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796581293] [2024-11-10 18:32:09,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:32:09,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:32:09,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:32:09,507 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 18:32:09,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:32:09,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796581293] [2024-11-10 18:32:09,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796581293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:32:09,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:32:09,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:32:09,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559017993] [2024-11-10 18:32:09,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:32:09,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:32:09,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:32:09,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:32:09,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:32:09,509 INFO L87 Difference]: Start difference. First operand 49 states and 56 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 18:32:09,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:32:09,547 INFO L93 Difference]: Finished difference Result 76 states and 87 transitions. [2024-11-10 18:32:09,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:32:09,548 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 15 [2024-11-10 18:32:09,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:32:09,549 INFO L225 Difference]: With dead ends: 76 [2024-11-10 18:32:09,549 INFO L226 Difference]: Without dead ends: 62 [2024-11-10 18:32:09,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:32:09,550 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 9 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:32:09,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 70 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:32:09,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-10 18:32:09,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 55. [2024-11-10 18:32:09,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 50 states have (on average 1.26) internal successors, (63), 54 states have internal predecessors, (63), 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 18:32:09,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 63 transitions. [2024-11-10 18:32:09,558 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 63 transitions. Word has length 15 [2024-11-10 18:32:09,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:32:09,558 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 63 transitions. [2024-11-10 18:32:09,558 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 18:32:09,560 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions. [2024-11-10 18:32:09,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-10 18:32:09,560 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:32:09,560 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:32:09,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 18:32:09,561 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:32:09,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:32:09,561 INFO L85 PathProgramCache]: Analyzing trace with hash 275959425, now seen corresponding path program 1 times [2024-11-10 18:32:09,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:32:09,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864807806] [2024-11-10 18:32:09,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:32:09,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:32:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:32:09,678 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-10 18:32:09,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:32:09,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864807806] [2024-11-10 18:32:09,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864807806] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:32:09,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364523567] [2024-11-10 18:32:09,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:32:09,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:32:09,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:32:09,681 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 18:32:09,682 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 18:32:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:32:09,741 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 18:32:09,743 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:32:09,814 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-10 18:32:09,815 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:32:09,881 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-10 18:32:09,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [364523567] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:32:09,882 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:32:09,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-10 18:32:09,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287506037] [2024-11-10 18:32:09,883 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:32:09,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 18:32:09,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:32:09,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 18:32:09,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-10 18:32:09,884 INFO L87 Difference]: Start difference. First operand 55 states and 63 transitions. Second operand has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 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 18:32:09,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:32:09,930 INFO L93 Difference]: Finished difference Result 83 states and 95 transitions. [2024-11-10 18:32:09,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 18:32:09,931 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 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 22 [2024-11-10 18:32:09,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:32:09,932 INFO L225 Difference]: With dead ends: 83 [2024-11-10 18:32:09,932 INFO L226 Difference]: Without dead ends: 55 [2024-11-10 18:32:09,932 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-10 18:32:09,934 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:32:09,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 191 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:32:09,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-10 18:32:09,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2024-11-10 18:32:09,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 50 states have (on average 1.22) internal successors, (61), 54 states have internal predecessors, (61), 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 18:32:09,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 61 transitions. [2024-11-10 18:32:09,941 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 61 transitions. Word has length 22 [2024-11-10 18:32:09,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:32:09,942 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 61 transitions. [2024-11-10 18:32:09,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 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 18:32:09,944 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 61 transitions. [2024-11-10 18:32:09,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-10 18:32:09,944 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:32:09,945 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 1, 1, 1] [2024-11-10 18:32:09,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-10 18:32:10,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:32:10,147 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:32:10,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:32:10,147 INFO L85 PathProgramCache]: Analyzing trace with hash 585522718, now seen corresponding path program 2 times [2024-11-10 18:32:10,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:32:10,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946873576] [2024-11-10 18:32:10,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:32:10,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:32:10,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:32:10,316 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:32:10,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:32:10,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946873576] [2024-11-10 18:32:10,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946873576] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:32:10,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125826762] [2024-11-10 18:32:10,317 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:32:10,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:32:10,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:32:10,319 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 18:32:10,320 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 18:32:10,370 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-10 18:32:10,371 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:32:10,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:32:10,372 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:32:10,491 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 18:32:10,492 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:32:10,547 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 18:32:10,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [125826762] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:32:10,548 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:32:10,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 3, 3] total 15 [2024-11-10 18:32:10,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093102735] [2024-11-10 18:32:10,548 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:32:10,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 18:32:10,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:32:10,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 18:32:10,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2024-11-10 18:32:10,550 INFO L87 Difference]: Start difference. First operand 55 states and 61 transitions. Second operand has 16 states, 15 states have (on average 2.933333333333333) internal successors, (44), 16 states have internal predecessors, (44), 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 18:32:10,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:32:10,717 INFO L93 Difference]: Finished difference Result 61 states and 69 transitions. [2024-11-10 18:32:10,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 18:32:10,718 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 2.933333333333333) internal successors, (44), 16 states have internal predecessors, (44), 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 18:32:10,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:32:10,719 INFO L225 Difference]: With dead ends: 61 [2024-11-10 18:32:10,719 INFO L226 Difference]: Without dead ends: 60 [2024-11-10 18:32:10,719 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=172, Invalid=530, Unknown=0, NotChecked=0, Total=702 [2024-11-10 18:32:10,720 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 3 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:32:10,720 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 238 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:32:10,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-10 18:32:10,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 47. [2024-11-10 18:32:10,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 43 states have (on average 1.2093023255813953) 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 18:32:10,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2024-11-10 18:32:10,727 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 52 transitions. Word has length 26 [2024-11-10 18:32:10,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:32:10,728 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 52 transitions. [2024-11-10 18:32:10,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 2.933333333333333) internal successors, (44), 16 states have internal predecessors, (44), 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 18:32:10,729 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2024-11-10 18:32:10,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-10 18:32:10,729 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:32:10,729 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:32:10,746 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 18:32:10,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:32:10,931 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:32:10,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:32:10,931 INFO L85 PathProgramCache]: Analyzing trace with hash -680352575, now seen corresponding path program 2 times [2024-11-10 18:32:10,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:32:10,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834645238] [2024-11-10 18:32:10,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:32:10,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:32:10,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:32:11,050 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-10 18:32:11,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:32:11,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834645238] [2024-11-10 18:32:11,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834645238] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:32:11,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [766414996] [2024-11-10 18:32:11,051 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:32:11,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:32:11,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:32:11,053 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 18:32:11,054 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 18:32:11,109 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:32:11,109 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:32:11,110 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 18:32:11,112 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:32:11,251 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-10 18:32:11,251 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:32:11,360 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-10 18:32:11,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [766414996] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:32:11,361 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:32:11,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 23 [2024-11-10 18:32:11,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41593756] [2024-11-10 18:32:11,361 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:32:11,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-10 18:32:11,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:32:11,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-10 18:32:11,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=365, Unknown=0, NotChecked=0, Total=506 [2024-11-10 18:32:11,363 INFO L87 Difference]: Start difference. First operand 47 states and 52 transitions. Second operand has 23 states, 23 states have (on average 2.782608695652174) internal successors, (64), 23 states have internal predecessors, (64), 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 18:32:11,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:32:11,420 INFO L93 Difference]: Finished difference Result 95 states and 108 transitions. [2024-11-10 18:32:11,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 18:32:11,421 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.782608695652174) internal successors, (64), 23 states have internal predecessors, (64), 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 32 [2024-11-10 18:32:11,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:32:11,422 INFO L225 Difference]: With dead ends: 95 [2024-11-10 18:32:11,422 INFO L226 Difference]: Without dead ends: 67 [2024-11-10 18:32:11,423 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=141, Invalid=365, Unknown=0, NotChecked=0, Total=506 [2024-11-10 18:32:11,426 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:32:11,426 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 143 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:32:11,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-10 18:32:11,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-11-10 18:32:11,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 63 states have (on average 1.1428571428571428) internal successors, (72), 66 states have internal predecessors, (72), 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 18:32:11,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 72 transitions. [2024-11-10 18:32:11,436 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 72 transitions. Word has length 32 [2024-11-10 18:32:11,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:32:11,436 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 72 transitions. [2024-11-10 18:32:11,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.782608695652174) internal successors, (64), 23 states have internal predecessors, (64), 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 18:32:11,437 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 72 transitions. [2024-11-10 18:32:11,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-10 18:32:11,439 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:32:11,440 INFO L215 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:32:11,456 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 18:32:11,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:32:11,641 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:32:11,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:32:11,641 INFO L85 PathProgramCache]: Analyzing trace with hash -415112895, now seen corresponding path program 3 times [2024-11-10 18:32:11,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:32:11,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760812119] [2024-11-10 18:32:11,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:32:11,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:32:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:32:12,109 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-10 18:32:12,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:32:12,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760812119] [2024-11-10 18:32:12,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760812119] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:32:12,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590101437] [2024-11-10 18:32:12,110 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 18:32:12,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:32:12,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:32:12,112 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 18:32:12,114 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 18:32:12,173 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-10 18:32:12,174 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:32:12,174 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:32:12,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:32:12,228 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-10 18:32:12,228 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:32:12,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [590101437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:32:12,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:32:12,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [17] total 20 [2024-11-10 18:32:12,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526510851] [2024-11-10 18:32:12,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:32:12,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:32:12,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:32:12,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:32:12,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2024-11-10 18:32:12,230 INFO L87 Difference]: Start difference. First operand 67 states and 72 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:32:12,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:32:12,254 INFO L93 Difference]: Finished difference Result 73 states and 79 transitions. [2024-11-10 18:32:12,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:32:12,254 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2024-11-10 18:32:12,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:32:12,256 INFO L225 Difference]: With dead ends: 73 [2024-11-10 18:32:12,256 INFO L226 Difference]: Without dead ends: 72 [2024-11-10 18:32:12,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2024-11-10 18:32:12,257 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 9 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:32:12,257 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 58 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:32:12,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-10 18:32:12,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 66. [2024-11-10 18:32:12,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 63 states have (on average 1.126984126984127) internal successors, (71), 65 states have internal predecessors, (71), 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 18:32:12,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 71 transitions. [2024-11-10 18:32:12,264 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 71 transitions. Word has length 52 [2024-11-10 18:32:12,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:32:12,264 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 71 transitions. [2024-11-10 18:32:12,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:32:12,264 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 71 transitions. [2024-11-10 18:32:12,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-10 18:32:12,268 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:32:12,268 INFO L215 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 7, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:32:12,287 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-10 18:32:12,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:32:12,473 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:32:12,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:32:12,473 INFO L85 PathProgramCache]: Analyzing trace with hash 16402138, now seen corresponding path program 1 times [2024-11-10 18:32:12,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:32:12,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121429769] [2024-11-10 18:32:12,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:32:12,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:32:12,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:32:12,526 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-10 18:32:12,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:32:12,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121429769] [2024-11-10 18:32:12,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121429769] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:32:12,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:32:12,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:32:12,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216221436] [2024-11-10 18:32:12,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:32:12,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:32:12,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:32:12,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:32:12,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:32:12,528 INFO L87 Difference]: Start difference. First operand 66 states and 71 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:32:12,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:32:12,549 INFO L93 Difference]: Finished difference Result 68 states and 73 transitions. [2024-11-10 18:32:12,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:32:12,550 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2024-11-10 18:32:12,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:32:12,550 INFO L225 Difference]: With dead ends: 68 [2024-11-10 18:32:12,551 INFO L226 Difference]: Without dead ends: 67 [2024-11-10 18:32:12,551 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:32:12,551 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 9 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:32:12,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 58 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:32:12,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-10 18:32:12,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 61. [2024-11-10 18:32:12,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 59 states have (on average 1.1016949152542372) internal successors, (65), 60 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 18:32:12,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 65 transitions. [2024-11-10 18:32:12,557 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 65 transitions. Word has length 53 [2024-11-10 18:32:12,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:32:12,557 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 65 transitions. [2024-11-10 18:32:12,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:32:12,557 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 65 transitions. [2024-11-10 18:32:12,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-10 18:32:12,558 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:32:12,558 INFO L215 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 7, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:32:12,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 18:32:12,559 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:32:12,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:32:12,559 INFO L85 PathProgramCache]: Analyzing trace with hash 894537205, now seen corresponding path program 1 times [2024-11-10 18:32:12,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:32:12,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144280880] [2024-11-10 18:32:12,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:32:12,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:32:12,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:32:12,637 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-10 18:32:12,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:32:12,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144280880] [2024-11-10 18:32:12,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144280880] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:32:12,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869666173] [2024-11-10 18:32:12,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:32:12,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:32:12,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:32:12,640 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 18:32:12,641 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 18:32:12,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:32:12,713 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-10 18:32:12,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:32:13,026 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 18:32:13,027 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:32:13,403 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 18:32:13,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869666173] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:32:13,403 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:32:13,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 17, 17] total 35 [2024-11-10 18:32:13,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020707467] [2024-11-10 18:32:13,404 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:32:13,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-10 18:32:13,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:32:13,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-10 18:32:13,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=279, Invalid=911, Unknown=0, NotChecked=0, Total=1190 [2024-11-10 18:32:13,405 INFO L87 Difference]: Start difference. First operand 61 states and 65 transitions. Second operand has 35 states, 35 states have (on average 3.1142857142857143) internal successors, (109), 35 states have internal predecessors, (109), 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 18:32:13,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:32:13,541 INFO L93 Difference]: Finished difference Result 138 states and 157 transitions. [2024-11-10 18:32:13,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-10 18:32:13,541 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.1142857142857143) internal successors, (109), 35 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-10 18:32:13,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:32:13,542 INFO L225 Difference]: With dead ends: 138 [2024-11-10 18:32:13,542 INFO L226 Difference]: Without dead ends: 116 [2024-11-10 18:32:13,543 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=279, Invalid=911, Unknown=0, NotChecked=0, Total=1190 [2024-11-10 18:32:13,543 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 10 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:32:13,544 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 143 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:32:13,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-10 18:32:13,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 108. [2024-11-10 18:32:13,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 106 states have (on average 1.0660377358490567) internal successors, (113), 107 states have internal predecessors, (113), 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 18:32:13,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 113 transitions. [2024-11-10 18:32:13,558 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 113 transitions. Word has length 55 [2024-11-10 18:32:13,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:32:13,558 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 113 transitions. [2024-11-10 18:32:13,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 3.1142857142857143) internal successors, (109), 35 states have internal predecessors, (109), 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 18:32:13,558 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 113 transitions. [2024-11-10 18:32:13,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-10 18:32:13,559 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:32:13,559 INFO L215 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:32:13,579 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 18:32:13,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:32:13,767 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:32:13,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:32:13,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1725828841, now seen corresponding path program 2 times [2024-11-10 18:32:13,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:32:13,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180328771] [2024-11-10 18:32:13,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:32:13,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:32:13,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:32:13,889 INFO L134 CoverageAnalysis]: Checked inductivity of 566 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 566 trivial. 0 not checked. [2024-11-10 18:32:13,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:32:13,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180328771] [2024-11-10 18:32:13,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180328771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:32:13,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:32:13,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:32:13,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771618310] [2024-11-10 18:32:13,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:32:13,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:32:13,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:32:13,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:32:13,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:32:13,890 INFO L87 Difference]: Start difference. First operand 108 states and 113 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 18:32:13,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:32:13,920 INFO L93 Difference]: Finished difference Result 119 states and 125 transitions. [2024-11-10 18:32:13,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:32:13,921 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 102 [2024-11-10 18:32:13,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:32:13,922 INFO L225 Difference]: With dead ends: 119 [2024-11-10 18:32:13,922 INFO L226 Difference]: Without dead ends: 117 [2024-11-10 18:32:13,922 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:32:13,923 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 9 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:32:13,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 61 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:32:13,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-10 18:32:13,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 116. [2024-11-10 18:32:13,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 114 states have (on average 1.0701754385964912) internal successors, (122), 115 states have internal predecessors, (122), 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 18:32:13,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 122 transitions. [2024-11-10 18:32:13,932 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 122 transitions. Word has length 102 [2024-11-10 18:32:13,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:32:13,932 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 122 transitions. [2024-11-10 18:32:13,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 18:32:13,933 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 122 transitions. [2024-11-10 18:32:13,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-10 18:32:13,933 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:32:13,934 INFO L215 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:32:13,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 18:32:13,934 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:32:13,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:32:13,934 INFO L85 PathProgramCache]: Analyzing trace with hash 148545181, now seen corresponding path program 1 times [2024-11-10 18:32:13,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:32:13,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619825807] [2024-11-10 18:32:13,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:32:13,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:32:13,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:32:14,948 INFO L134 CoverageAnalysis]: Checked inductivity of 571 backedges. 0 proven. 555 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 18:32:14,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:32:14,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619825807] [2024-11-10 18:32:14,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619825807] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:32:14,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750203336] [2024-11-10 18:32:14,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:32:14,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:32:14,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:32:14,951 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 18:32:14,952 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 18:32:15,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:32:15,066 INFO L255 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-10 18:32:15,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:32:16,173 INFO L134 CoverageAnalysis]: Checked inductivity of 571 backedges. 0 proven. 555 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 18:32:16,174 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:32:17,750 INFO L134 CoverageAnalysis]: Checked inductivity of 571 backedges. 0 proven. 555 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 18:32:17,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1750203336] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:32:17,751 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:32:17,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 95 [2024-11-10 18:32:17,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050602712] [2024-11-10 18:32:17,752 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:32:17,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2024-11-10 18:32:17,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:32:17,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2024-11-10 18:32:17,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2080, Invalid=6850, Unknown=0, NotChecked=0, Total=8930 [2024-11-10 18:32:17,757 INFO L87 Difference]: Start difference. First operand 116 states and 122 transitions. Second operand has 95 states, 95 states have (on average 2.663157894736842) internal successors, (253), 95 states have internal predecessors, (253), 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 18:32:17,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:32:17,983 INFO L93 Difference]: Finished difference Result 233 states and 260 transitions. [2024-11-10 18:32:17,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-10 18:32:17,984 INFO L78 Accepts]: Start accepts. Automaton has has 95 states, 95 states have (on average 2.663157894736842) internal successors, (253), 95 states have internal predecessors, (253), 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 109 [2024-11-10 18:32:17,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:32:17,985 INFO L225 Difference]: With dead ends: 233 [2024-11-10 18:32:17,985 INFO L226 Difference]: Without dead ends: 196 [2024-11-10 18:32:17,988 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2474 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=2080, Invalid=6850, Unknown=0, NotChecked=0, Total=8930 [2024-11-10 18:32:17,989 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 0 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:32:17,990 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 345 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:32:17,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-10 18:32:18,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2024-11-10 18:32:18,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 194 states have (on average 1.041237113402062) internal successors, (202), 195 states have internal predecessors, (202), 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 18:32:18,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 202 transitions. [2024-11-10 18:32:18,002 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 202 transitions. Word has length 109 [2024-11-10 18:32:18,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:32:18,003 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 202 transitions. [2024-11-10 18:32:18,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 2.663157894736842) internal successors, (253), 95 states have internal predecessors, (253), 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 18:32:18,003 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 202 transitions. [2024-11-10 18:32:18,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-10 18:32:18,006 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:32:18,006 INFO L215 NwaCegarLoop]: trace histogram [32, 31, 31, 31, 31, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:32:18,024 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-10 18:32:18,207 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 18:32:18,208 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:32:18,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:32:18,208 INFO L85 PathProgramCache]: Analyzing trace with hash -184914787, now seen corresponding path program 2 times [2024-11-10 18:32:18,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:32:18,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119485096] [2024-11-10 18:32:18,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:32:18,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:32:18,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:32:20,889 INFO L134 CoverageAnalysis]: Checked inductivity of 2403 backedges. 0 proven. 2387 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 18:32:20,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:32:20,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119485096] [2024-11-10 18:32:20,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119485096] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:32:20,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655141524] [2024-11-10 18:32:20,890 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:32:20,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:32:20,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:32:20,892 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 18:32:20,894 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 18:32:21,036 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:32:21,036 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:32:21,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-11-10 18:32:21,042 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:32:24,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2403 backedges. 0 proven. 2387 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 18:32:24,456 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:32:29,744 INFO L134 CoverageAnalysis]: Checked inductivity of 2403 backedges. 0 proven. 2387 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 18:32:29,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [655141524] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:32:29,744 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:32:29,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 65, 65] total 191 [2024-11-10 18:32:29,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731773738] [2024-11-10 18:32:29,745 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:32:29,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 191 states [2024-11-10 18:32:29,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:32:29,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 191 interpolants. [2024-11-10 18:32:29,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8256, Invalid=28034, Unknown=0, NotChecked=0, Total=36290 [2024-11-10 18:32:29,757 INFO L87 Difference]: Start difference. First operand 196 states and 202 transitions. Second operand has 191 states, 191 states have (on average 2.581151832460733) internal successors, (493), 191 states have internal predecessors, (493), 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 18:32:30,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:32:30,240 INFO L93 Difference]: Finished difference Result 393 states and 436 transitions. [2024-11-10 18:32:30,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2024-11-10 18:32:30,242 INFO L78 Accepts]: Start accepts. Automaton has has 191 states, 191 states have (on average 2.581151832460733) internal successors, (493), 191 states have internal predecessors, (493), 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 189 [2024-11-10 18:32:30,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:32:30,244 INFO L225 Difference]: With dead ends: 393 [2024-11-10 18:32:30,244 INFO L226 Difference]: Without dead ends: 356 [2024-11-10 18:32:30,247 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10570 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=8256, Invalid=28034, Unknown=0, NotChecked=0, Total=36290 [2024-11-10 18:32:30,248 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 0 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 18:32:30,249 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 461 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 18:32:30,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-11-10 18:32:30,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2024-11-10 18:32:30,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 354 states have (on average 1.0225988700564972) internal successors, (362), 355 states have internal predecessors, (362), 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 18:32:30,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 362 transitions. [2024-11-10 18:32:30,264 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 362 transitions. Word has length 189 [2024-11-10 18:32:30,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:32:30,265 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 362 transitions. [2024-11-10 18:32:30,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 191 states, 191 states have (on average 2.581151832460733) internal successors, (493), 191 states have internal predecessors, (493), 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 18:32:30,266 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 362 transitions. [2024-11-10 18:32:30,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2024-11-10 18:32:30,269 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:32:30,269 INFO L215 NwaCegarLoop]: trace histogram [64, 63, 63, 63, 63, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:32:30,283 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 18:32:30,470 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 18:32:30,470 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:32:30,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:32:30,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1825966237, now seen corresponding path program 3 times [2024-11-10 18:32:30,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:32:30,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446447672] [2024-11-10 18:32:30,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:32:30,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:32:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:32:39,277 INFO L134 CoverageAnalysis]: Checked inductivity of 9907 backedges. 0 proven. 9891 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 18:32:39,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:32:39,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446447672] [2024-11-10 18:32:39,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446447672] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:32:39,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1627313039] [2024-11-10 18:32:39,278 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 18:32:39,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:32:39,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:32:39,279 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:32:39,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-10 18:32:39,415 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-10 18:32:39,415 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:32:39,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:32:39,420 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:32:39,604 INFO L134 CoverageAnalysis]: Checked inductivity of 9907 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9902 trivial. 0 not checked. [2024-11-10 18:32:39,604 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:32:39,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1627313039] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:32:39,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:32:39,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [129] total 132 [2024-11-10 18:32:39,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407807228] [2024-11-10 18:32:39,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:32:39,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:32:39,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:32:39,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:32:39,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4231, Invalid=13061, Unknown=0, NotChecked=0, Total=17292 [2024-11-10 18:32:39,608 INFO L87 Difference]: Start difference. First operand 356 states and 362 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:32:39,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:32:39,641 INFO L93 Difference]: Finished difference Result 356 states and 362 transitions. [2024-11-10 18:32:39,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:32:39,642 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 349 [2024-11-10 18:32:39,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:32:39,644 INFO L225 Difference]: With dead ends: 356 [2024-11-10 18:32:39,644 INFO L226 Difference]: Without dead ends: 355 [2024-11-10 18:32:39,646 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 477 GetRequests, 347 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4281 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=4231, Invalid=13061, Unknown=0, NotChecked=0, Total=17292 [2024-11-10 18:32:39,647 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 9 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:32:39,647 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 53 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:32:39,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-10 18:32:39,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 355. [2024-11-10 18:32:39,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 354 states have (on average 1.0197740112994351) internal successors, (361), 354 states have internal predecessors, (361), 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 18:32:39,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 361 transitions. [2024-11-10 18:32:39,665 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 361 transitions. Word has length 349 [2024-11-10 18:32:39,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:32:39,666 INFO L471 AbstractCegarLoop]: Abstraction has 355 states and 361 transitions. [2024-11-10 18:32:39,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:32:39,666 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 361 transitions. [2024-11-10 18:32:39,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2024-11-10 18:32:39,671 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:32:39,671 INFO L215 NwaCegarLoop]: trace histogram [64, 63, 63, 63, 63, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:32:39,689 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-10 18:32:39,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-10 18:32:39,872 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:32:39,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:32:39,873 INFO L85 PathProgramCache]: Analyzing trace with hash 770378474, now seen corresponding path program 1 times [2024-11-10 18:32:39,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:32:39,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225331191] [2024-11-10 18:32:39,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:32:39,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:32:39,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:32:40,104 INFO L134 CoverageAnalysis]: Checked inductivity of 9908 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9904 trivial. 0 not checked. [2024-11-10 18:32:40,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:32:40,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225331191] [2024-11-10 18:32:40,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225331191] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:32:40,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:32:40,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:32:40,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144031630] [2024-11-10 18:32:40,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:32:40,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:32:40,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:32:40,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:32:40,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:32:40,107 INFO L87 Difference]: Start difference. First operand 355 states and 361 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:32:40,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:32:40,140 INFO L93 Difference]: Finished difference Result 355 states and 361 transitions. [2024-11-10 18:32:40,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:32:40,141 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 350 [2024-11-10 18:32:40,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:32:40,142 INFO L225 Difference]: With dead ends: 355 [2024-11-10 18:32:40,142 INFO L226 Difference]: Without dead ends: 0 [2024-11-10 18:32:40,143 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:32:40,143 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 9 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:32:40,144 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 52 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:32:40,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-10 18:32:40,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-10 18:32:40,145 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 18:32:40,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-10 18:32:40,145 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 350 [2024-11-10 18:32:40,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:32:40,145 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 18:32:40,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:32:40,146 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-10 18:32:40,146 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-10 18:32:40,148 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2024-11-10 18:32:40,149 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2024-11-10 18:32:40,149 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2024-11-10 18:32:40,149 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2024-11-10 18:32:40,149 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2024-11-10 18:32:40,150 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2024-11-10 18:32:40,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 18:32:40,153 INFO L407 BasicCegarLoop]: Path program histogram: [3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-10 18:32:40,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-10 18:32:40,900 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 18:32:40,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 06:32:40 BoogieIcfgContainer [2024-11-10 18:32:40,909 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 18:32:40,910 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 18:32:40,910 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 18:32:40,910 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 18:32:40,911 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:32:07" (3/4) ... [2024-11-10 18:32:40,912 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 18:32:40,920 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-10 18:32:40,921 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-10 18:32:40,921 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 18:32:40,921 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 18:32:41,006 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 18:32:41,009 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 18:32:41,009 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 18:32:41,010 INFO L158 Benchmark]: Toolchain (without parser) took 34116.04ms. Allocated memory was 169.9MB in the beginning and 769.7MB in the end (delta: 599.8MB). Free memory was 97.5MB in the beginning and 556.9MB in the end (delta: -459.4MB). Peak memory consumption was 142.4MB. Max. memory is 16.1GB. [2024-11-10 18:32:41,010 INFO L158 Benchmark]: CDTParser took 0.97ms. Allocated memory is still 169.9MB. Free memory is still 122.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 18:32:41,010 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.86ms. Allocated memory is still 169.9MB. Free memory was 97.3MB in the beginning and 85.0MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-10 18:32:41,010 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.77ms. Allocated memory is still 169.9MB. Free memory was 84.8MB in the beginning and 83.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 18:32:41,011 INFO L158 Benchmark]: Boogie Preprocessor took 50.55ms. Allocated memory is still 169.9MB. Free memory was 83.4MB in the beginning and 81.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 18:32:41,011 INFO L158 Benchmark]: IcfgBuilder took 331.89ms. Allocated memory was 169.9MB in the beginning and 220.2MB in the end (delta: 50.3MB). Free memory was 81.5MB in the beginning and 187.6MB in the end (delta: -106.2MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2024-11-10 18:32:41,011 INFO L158 Benchmark]: TraceAbstraction took 33312.47ms. Allocated memory was 220.2MB in the beginning and 769.7MB in the end (delta: 549.5MB). Free memory was 186.6MB in the beginning and 560.9MB in the end (delta: -374.3MB). Peak memory consumption was 431.9MB. Max. memory is 16.1GB. [2024-11-10 18:32:41,011 INFO L158 Benchmark]: Witness Printer took 99.47ms. Allocated memory is still 769.7MB. Free memory was 560.9MB in the beginning and 556.9MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 18:32:41,012 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.97ms. Allocated memory is still 169.9MB. Free memory is still 122.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.86ms. Allocated memory is still 169.9MB. Free memory was 97.3MB in the beginning and 85.0MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.77ms. Allocated memory is still 169.9MB. Free memory was 84.8MB in the beginning and 83.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.55ms. Allocated memory is still 169.9MB. Free memory was 83.4MB in the beginning and 81.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 331.89ms. Allocated memory was 169.9MB in the beginning and 220.2MB in the end (delta: 50.3MB). Free memory was 81.5MB in the beginning and 187.6MB in the end (delta: -106.2MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. * TraceAbstraction took 33312.47ms. Allocated memory was 220.2MB in the beginning and 769.7MB in the end (delta: 549.5MB). Free memory was 186.6MB in the beginning and 560.9MB in the end (delta: -374.3MB). Peak memory consumption was 431.9MB. Max. memory is 16.1GB. * Witness Printer took 99.47ms. Allocated memory is still 769.7MB. Free memory was 560.9MB in the beginning and 556.9MB in the end (delta: 4.0MB). 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: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 38 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 32.5s, OverallIterations: 16, TraceHistogramMax: 64, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 73 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 73 mSDsluCounter, 2232 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1808 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1163 IncrementalHoareTripleChecker+Invalid, 1182 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 424 mSDtfsCounter, 1163 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1595 GetRequests, 1050 SyntacticMatches, 0 SemanticMatches, 545 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18016 ImplicationChecksByTransitivity, 18.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=356occurred in iteration=14, InterpolantAutomatonStates: 307, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 16 MinimizatonAttempts, 43 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 27.0s InterpolantComputationTime, 2245 NumberOfCodeBlocks, 1878 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 2656 ConstructedInterpolants, 0 QuantifiedInterpolants, 9592 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1581 ConjunctsInSsa, 157 ConjunctsInUnsatCore, 33 InterpolantComputations, 9 PerfectInterpolantSequences, 20981/40203 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 6 specifications checked. All of them hold - InvariantResult [Line: 41]: Location Invariant Derived location invariant: null - InvariantResult [Line: 22]: Location Invariant Derived location invariant: null - InvariantResult [Line: 34]: Location Invariant Derived location invariant: null RESULT: Ultimate proved your program to be correct! [2024-11-10 18:32:41,043 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