./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-39.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-39.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dfd4199778f3470f18ddded1b4acee60166184917bf25c1bba255dc5dd2abf98 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 09:15:49,241 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 09:15:49,347 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 09:15:49,354 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 09:15:49,355 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 09:15:49,386 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 09:15:49,387 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 09:15:49,387 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 09:15:49,388 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 09:15:49,389 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 09:15:49,390 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 09:15:49,390 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 09:15:49,391 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 09:15:49,393 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 09:15:49,393 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 09:15:49,394 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 09:15:49,394 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 09:15:49,395 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 09:15:49,396 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 09:15:49,396 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 09:15:49,397 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 09:15:49,397 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 09:15:49,397 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 09:15:49,398 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 09:15:49,398 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 09:15:49,398 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 09:15:49,398 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 09:15:49,399 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 09:15:49,399 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 09:15:49,399 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 09:15:49,400 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 09:15:49,400 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 09:15:49,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 09:15:49,400 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 09:15:49,401 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 09:15:49,401 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 09:15:49,404 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 09:15:49,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 09:15:49,405 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 09:15:49,405 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 09:15:49,405 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 09:15:49,406 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 09:15:49,406 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfd4199778f3470f18ddded1b4acee60166184917bf25c1bba255dc5dd2abf98 [2024-10-24 09:15:49,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 09:15:49,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 09:15:49,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 09:15:49,726 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 09:15:49,727 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 09:15:49,728 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-39.i [2024-10-24 09:15:51,252 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 09:15:51,506 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 09:15:51,507 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-39.i [2024-10-24 09:15:51,524 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bf887ddc/2a7654f7e0454006ae3b02fd67974dbd/FLAG10ad5b77a [2024-10-24 09:15:51,541 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bf887ddc/2a7654f7e0454006ae3b02fd67974dbd [2024-10-24 09:15:51,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 09:15:51,546 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 09:15:51,550 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 09:15:51,550 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 09:15:51,556 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 09:15:51,557 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:15:51" (1/1) ... [2024-10-24 09:15:51,558 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7731774 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:15:51, skipping insertion in model container [2024-10-24 09:15:51,558 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:15:51" (1/1) ... [2024-10-24 09:15:51,601 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 09:15:51,775 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-39.i[916,929] [2024-10-24 09:15:51,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 09:15:51,877 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 09:15:51,888 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-39.i[916,929] [2024-10-24 09:15:51,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 09:15:51,953 INFO L204 MainTranslator]: Completed translation [2024-10-24 09:15:51,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:15:51 WrapperNode [2024-10-24 09:15:51,954 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 09:15:51,956 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 09:15:51,956 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 09:15:51,956 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 09:15:51,963 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:15:51" (1/1) ... [2024-10-24 09:15:51,975 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:15:51" (1/1) ... [2024-10-24 09:15:52,025 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 209 [2024-10-24 09:15:52,026 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 09:15:52,027 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 09:15:52,027 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 09:15:52,027 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 09:15:52,037 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:15:51" (1/1) ... [2024-10-24 09:15:52,038 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:15:51" (1/1) ... [2024-10-24 09:15:52,042 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:15:51" (1/1) ... [2024-10-24 09:15:52,074 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 09:15:52,075 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:15:51" (1/1) ... [2024-10-24 09:15:52,075 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:15:51" (1/1) ... [2024-10-24 09:15:52,094 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:15:51" (1/1) ... [2024-10-24 09:15:52,102 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:15:51" (1/1) ... [2024-10-24 09:15:52,110 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:15:51" (1/1) ... [2024-10-24 09:15:52,113 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:15:51" (1/1) ... [2024-10-24 09:15:52,122 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 09:15:52,124 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 09:15:52,125 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 09:15:52,125 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 09:15:52,126 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:15:51" (1/1) ... [2024-10-24 09:15:52,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 09:15:52,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 09:15:52,169 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) [2024-10-24 09:15:52,173 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 [2024-10-24 09:15:52,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 09:15:52,225 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 09:15:52,225 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 09:15:52,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 09:15:52,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 09:15:52,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 09:15:52,370 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 09:15:52,377 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 09:15:52,907 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-10-24 09:15:52,907 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 09:15:52,956 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 09:15:52,956 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 09:15:52,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:15:52 BoogieIcfgContainer [2024-10-24 09:15:52,957 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 09:15:52,960 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 09:15:52,960 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 09:15:52,963 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 09:15:52,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:15:51" (1/3) ... [2024-10-24 09:15:52,965 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75cf0cef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:15:52, skipping insertion in model container [2024-10-24 09:15:52,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:15:51" (2/3) ... [2024-10-24 09:15:52,966 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75cf0cef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:15:52, skipping insertion in model container [2024-10-24 09:15:52,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:15:52" (3/3) ... [2024-10-24 09:15:52,967 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-39.i [2024-10-24 09:15:52,985 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 09:15:52,985 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 09:15:53,057 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 09:15:53,065 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;@186f1958, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 09:15:53,066 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 09:15:53,071 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 57 states have (on average 1.4736842105263157) internal successors, (84), 58 states have internal predecessors, (84), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-24 09:15:53,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-10-24 09:15:53,088 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:15:53,089 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:15:53,090 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:15:53,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:15:53,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1283451489, now seen corresponding path program 1 times [2024-10-24 09:15:53,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:15:53,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199515565] [2024-10-24 09:15:53,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:15:53,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:15:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:53,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 09:15:53,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:53,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 09:15:53,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:53,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 09:15:53,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:53,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 09:15:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:53,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 09:15:53,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:53,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 09:15:53,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:53,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 09:15:53,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:53,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 09:15:53,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:53,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 09:15:53,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:53,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 09:15:53,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:53,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 09:15:53,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:53,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 09:15:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:53,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 09:15:53,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:53,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 09:15:53,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:53,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 09:15:53,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:53,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 09:15:53,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:53,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 09:15:53,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:53,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 09:15:53,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:53,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 09:15:53,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:53,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 09:15:53,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:53,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 09:15:53,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:53,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 09:15:53,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:53,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 09:15:53,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:53,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 09:15:53,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:53,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-10-24 09:15:53,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 09:15:53,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199515565] [2024-10-24 09:15:53,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199515565] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 09:15:53,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 09:15:53,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 09:15:53,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516923203] [2024-10-24 09:15:53,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 09:15:53,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 09:15:53,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 09:15:53,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 09:15:53,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 09:15:53,595 INFO L87 Difference]: Start difference. First operand has 84 states, 57 states have (on average 1.4736842105263157) internal successors, (84), 58 states have internal predecessors, (84), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2024-10-24 09:15:53,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:15:53,649 INFO L93 Difference]: Finished difference Result 165 states and 286 transitions. [2024-10-24 09:15:53,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 09:15:53,653 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) Word has length 162 [2024-10-24 09:15:53,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:15:53,662 INFO L225 Difference]: With dead ends: 165 [2024-10-24 09:15:53,663 INFO L226 Difference]: Without dead ends: 82 [2024-10-24 09:15:53,667 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 09:15:53,671 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 09:15:53,672 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 124 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 09:15:53,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-10-24 09:15:53,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-10-24 09:15:53,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 56 states have (on average 1.4107142857142858) internal successors, (79), 56 states have internal predecessors, (79), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-24 09:15:53,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 127 transitions. [2024-10-24 09:15:53,721 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 127 transitions. Word has length 162 [2024-10-24 09:15:53,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:15:53,723 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 127 transitions. [2024-10-24 09:15:53,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2024-10-24 09:15:53,724 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 127 transitions. [2024-10-24 09:15:53,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-10-24 09:15:53,727 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:15:53,727 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:15:53,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 09:15:53,728 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:15:53,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:15:53,729 INFO L85 PathProgramCache]: Analyzing trace with hash 808559315, now seen corresponding path program 1 times [2024-10-24 09:15:53,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:15:53,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125671858] [2024-10-24 09:15:53,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:15:53,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:15:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:54,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 09:15:54,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:54,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 09:15:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:54,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 09:15:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:54,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 09:15:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:54,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 09:15:54,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:54,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 09:15:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:54,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 09:15:54,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:54,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 09:15:54,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:54,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 09:15:54,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:54,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 09:15:54,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:54,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 09:15:54,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:54,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 09:15:54,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:54,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 09:15:54,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:54,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 09:15:54,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:54,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 09:15:54,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:54,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 09:15:54,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:54,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 09:15:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:54,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 09:15:54,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:54,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 09:15:54,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:54,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 09:15:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:54,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 09:15:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:54,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 09:15:54,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:54,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 09:15:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:54,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 09:15:54,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:54,694 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 9 proven. 60 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-10-24 09:15:54,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 09:15:54,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125671858] [2024-10-24 09:15:54,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125671858] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 09:15:54,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024274915] [2024-10-24 09:15:54,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:15:54,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 09:15:54,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 09:15:54,700 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) [2024-10-24 09:15:54,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 09:15:54,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:54,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 09:15:54,911 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 09:15:55,195 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 563 proven. 39 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2024-10-24 09:15:55,195 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 09:15:55,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 30 proven. 39 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-10-24 09:15:55,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2024274915] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 09:15:55,468 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 09:15:55,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2024-10-24 09:15:55,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609859871] [2024-10-24 09:15:55,469 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 09:15:55,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 09:15:55,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 09:15:55,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 09:15:55,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-10-24 09:15:55,474 INFO L87 Difference]: Start difference. First operand 82 states and 127 transitions. Second operand has 10 states, 10 states have (on average 9.9) internal successors, (99), 10 states have internal predecessors, (99), 4 states have call successors, (57), 2 states have call predecessors, (57), 4 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) [2024-10-24 09:15:55,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:15:55,985 INFO L93 Difference]: Finished difference Result 175 states and 263 transitions. [2024-10-24 09:15:55,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 09:15:55,988 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.9) internal successors, (99), 10 states have internal predecessors, (99), 4 states have call successors, (57), 2 states have call predecessors, (57), 4 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) Word has length 162 [2024-10-24 09:15:55,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:15:55,994 INFO L225 Difference]: With dead ends: 175 [2024-10-24 09:15:55,994 INFO L226 Difference]: Without dead ends: 94 [2024-10-24 09:15:55,995 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 368 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2024-10-24 09:15:55,996 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 167 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 09:15:55,997 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 234 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 09:15:56,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-10-24 09:15:56,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 90. [2024-10-24 09:15:56,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 62 states have (on average 1.3225806451612903) internal successors, (82), 62 states have internal predecessors, (82), 24 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-24 09:15:56,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 130 transitions. [2024-10-24 09:15:56,028 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 130 transitions. Word has length 162 [2024-10-24 09:15:56,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:15:56,032 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 130 transitions. [2024-10-24 09:15:56,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.9) internal successors, (99), 10 states have internal predecessors, (99), 4 states have call successors, (57), 2 states have call predecessors, (57), 4 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) [2024-10-24 09:15:56,033 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 130 transitions. [2024-10-24 09:15:56,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-24 09:15:56,035 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:15:56,039 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:15:56,058 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-24 09:15:56,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 09:15:56,240 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:15:56,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:15:56,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1663460783, now seen corresponding path program 1 times [2024-10-24 09:15:56,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:15:56,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330977207] [2024-10-24 09:15:56,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:15:56,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:15:56,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:56,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 09:15:56,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:56,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 09:15:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:56,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 09:15:56,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:56,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 09:15:56,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:56,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 09:15:56,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:56,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 09:15:56,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:56,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 09:15:56,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:56,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 09:15:56,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:56,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 09:15:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:56,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 09:15:56,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:56,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 09:15:56,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:56,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 09:15:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:56,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 09:15:56,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:56,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 09:15:56,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:56,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 09:15:56,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:56,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 09:15:56,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:56,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 09:15:56,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:56,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 09:15:56,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:56,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 09:15:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:56,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 09:15:56,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:56,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 09:15:56,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:56,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 09:15:56,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:56,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 09:15:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:56,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 09:15:56,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:56,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-10-24 09:15:56,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 09:15:56,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330977207] [2024-10-24 09:15:56,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330977207] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 09:15:56,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 09:15:56,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 09:15:56,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551867531] [2024-10-24 09:15:56,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 09:15:56,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 09:15:56,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 09:15:56,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 09:15:56,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 09:15:56,659 INFO L87 Difference]: Start difference. First operand 90 states and 130 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-10-24 09:15:56,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:15:56,806 INFO L93 Difference]: Finished difference Result 252 states and 357 transitions. [2024-10-24 09:15:56,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 09:15:56,807 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 163 [2024-10-24 09:15:56,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:15:56,809 INFO L225 Difference]: With dead ends: 252 [2024-10-24 09:15:56,809 INFO L226 Difference]: Without dead ends: 163 [2024-10-24 09:15:56,810 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 09:15:56,811 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 167 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 09:15:56,811 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 271 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 09:15:56,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-10-24 09:15:56,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 105. [2024-10-24 09:15:56,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 76 states have (on average 1.3026315789473684) internal successors, (99), 76 states have internal predecessors, (99), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-24 09:15:56,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 147 transitions. [2024-10-24 09:15:56,832 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 147 transitions. Word has length 163 [2024-10-24 09:15:56,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:15:56,832 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 147 transitions. [2024-10-24 09:15:56,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-10-24 09:15:56,833 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 147 transitions. [2024-10-24 09:15:56,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-24 09:15:56,837 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:15:56,837 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:15:56,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 09:15:56,838 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:15:56,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:15:56,838 INFO L85 PathProgramCache]: Analyzing trace with hash 652343533, now seen corresponding path program 1 times [2024-10-24 09:15:56,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:15:56,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807492708] [2024-10-24 09:15:56,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:15:56,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:15:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:57,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 09:15:57,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:57,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 09:15:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:57,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 09:15:57,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:57,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 09:15:57,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:57,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 09:15:57,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:57,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 09:15:57,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:57,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 09:15:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:57,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 09:15:57,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:57,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 09:15:57,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:57,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 09:15:57,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:57,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 09:15:57,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:57,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 09:15:57,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:57,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 09:15:57,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:57,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 09:15:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:57,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 09:15:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:57,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 09:15:57,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:57,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 09:15:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:57,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 09:15:57,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:57,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 09:15:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:57,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 09:15:57,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:57,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 09:15:57,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:57,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 09:15:57,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:57,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 09:15:57,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:57,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 09:15:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:57,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 45 proven. 24 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-10-24 09:15:57,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 09:15:57,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807492708] [2024-10-24 09:15:57,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807492708] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 09:15:57,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042445086] [2024-10-24 09:15:57,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:15:57,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 09:15:57,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 09:15:57,261 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) [2024-10-24 09:15:57,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 09:15:57,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:57,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 09:15:57,427 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 09:15:57,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 533 proven. 24 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2024-10-24 09:15:57,573 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 09:15:57,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 45 proven. 24 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-10-24 09:15:57,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2042445086] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 09:15:57,803 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 09:15:57,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-10-24 09:15:57,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836216542] [2024-10-24 09:15:57,803 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 09:15:57,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 09:15:57,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 09:15:57,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 09:15:57,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 09:15:57,807 INFO L87 Difference]: Start difference. First operand 105 states and 147 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-10-24 09:15:58,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:15:58,011 INFO L93 Difference]: Finished difference Result 219 states and 302 transitions. [2024-10-24 09:15:58,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 09:15:58,013 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 163 [2024-10-24 09:15:58,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:15:58,015 INFO L225 Difference]: With dead ends: 219 [2024-10-24 09:15:58,015 INFO L226 Difference]: Without dead ends: 104 [2024-10-24 09:15:58,015 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 380 GetRequests, 370 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-10-24 09:15:58,016 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 123 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 09:15:58,017 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 226 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 09:15:58,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-10-24 09:15:58,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 98. [2024-10-24 09:15:58,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 68 states have (on average 1.2647058823529411) internal successors, (86), 68 states have internal predecessors, (86), 24 states have call successors, (24), 5 states have call predecessors, (24), 5 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-24 09:15:58,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 134 transitions. [2024-10-24 09:15:58,034 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 134 transitions. Word has length 163 [2024-10-24 09:15:58,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:15:58,034 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 134 transitions. [2024-10-24 09:15:58,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-10-24 09:15:58,034 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 134 transitions. [2024-10-24 09:15:58,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-24 09:15:58,036 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:15:58,036 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:15:58,055 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-24 09:15:58,237 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 [2024-10-24 09:15:58,237 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:15:58,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:15:58,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1529447277, now seen corresponding path program 1 times [2024-10-24 09:15:58,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:15:58,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729833265] [2024-10-24 09:15:58,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:15:58,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:15:58,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:59,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 09:15:59,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:59,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 09:15:59,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:59,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 09:15:59,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:59,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 09:15:59,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:59,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 09:15:59,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:59,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 09:15:59,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:59,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 09:15:59,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:59,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 09:15:59,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:59,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 09:15:59,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:59,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 09:15:59,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:59,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 09:15:59,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:59,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 09:15:59,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:59,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 09:15:59,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:59,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 09:15:59,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:59,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 09:15:59,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:59,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 09:15:59,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:59,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 09:15:59,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:59,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 09:15:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:59,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 09:15:59,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:59,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 09:15:59,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:59,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 09:15:59,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:59,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 09:15:59,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:59,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 09:15:59,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:59,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 09:15:59,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:59,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 3 proven. 186 refuted. 0 times theorem prover too weak. 915 trivial. 0 not checked. [2024-10-24 09:15:59,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 09:15:59,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729833265] [2024-10-24 09:15:59,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729833265] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 09:15:59,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395434297] [2024-10-24 09:15:59,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:15:59,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 09:15:59,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 09:15:59,482 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) [2024-10-24 09:15:59,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 09:15:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:15:59,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-24 09:15:59,793 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 09:16:01,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 157 proven. 186 refuted. 0 times theorem prover too weak. 761 trivial. 0 not checked. [2024-10-24 09:16:01,082 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 09:16:02,118 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 9 proven. 126 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2024-10-24 09:16:02,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1395434297] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 09:16:02,118 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 09:16:02,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 14, 11] total 27 [2024-10-24 09:16:02,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685184958] [2024-10-24 09:16:02,119 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 09:16:02,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-10-24 09:16:02,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 09:16:02,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-10-24 09:16:02,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=569, Unknown=0, NotChecked=0, Total=702 [2024-10-24 09:16:02,121 INFO L87 Difference]: Start difference. First operand 98 states and 134 transitions. Second operand has 27 states, 27 states have (on average 4.888888888888889) internal successors, (132), 26 states have internal predecessors, (132), 7 states have call successors, (70), 4 states have call predecessors, (70), 8 states have return successors, (71), 7 states have call predecessors, (71), 7 states have call successors, (71) [2024-10-24 09:16:06,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:16:06,086 INFO L93 Difference]: Finished difference Result 411 states and 541 transitions. [2024-10-24 09:16:06,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-10-24 09:16:06,086 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 4.888888888888889) internal successors, (132), 26 states have internal predecessors, (132), 7 states have call successors, (70), 4 states have call predecessors, (70), 8 states have return successors, (71), 7 states have call predecessors, (71), 7 states have call successors, (71) Word has length 163 [2024-10-24 09:16:06,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:16:06,089 INFO L225 Difference]: With dead ends: 411 [2024-10-24 09:16:06,089 INFO L226 Difference]: Without dead ends: 314 [2024-10-24 09:16:06,091 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 432 GetRequests, 364 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1121 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=1017, Invalid=3813, Unknown=0, NotChecked=0, Total=4830 [2024-10-24 09:16:06,092 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 407 mSDsluCounter, 811 mSDsCounter, 0 mSdLazyCounter, 1533 mSolverCounterSat, 209 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 408 SdHoareTripleChecker+Valid, 955 SdHoareTripleChecker+Invalid, 1742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 209 IncrementalHoareTripleChecker+Valid, 1533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-24 09:16:06,092 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [408 Valid, 955 Invalid, 1742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [209 Valid, 1533 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-24 09:16:06,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-10-24 09:16:06,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 209. [2024-10-24 09:16:06,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 146 states have (on average 1.2397260273972603) internal successors, (181), 146 states have internal predecessors, (181), 48 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-10-24 09:16:06,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 277 transitions. [2024-10-24 09:16:06,145 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 277 transitions. Word has length 163 [2024-10-24 09:16:06,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:16:06,146 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 277 transitions. [2024-10-24 09:16:06,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 4.888888888888889) internal successors, (132), 26 states have internal predecessors, (132), 7 states have call successors, (70), 4 states have call predecessors, (70), 8 states have return successors, (71), 7 states have call predecessors, (71), 7 states have call successors, (71) [2024-10-24 09:16:06,147 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 277 transitions. [2024-10-24 09:16:06,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-24 09:16:06,149 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:16:06,149 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:16:06,167 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-24 09:16:06,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 09:16:06,350 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:16:06,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:16:06,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1591486891, now seen corresponding path program 1 times [2024-10-24 09:16:06,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:16:06,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809292104] [2024-10-24 09:16:06,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:16:06,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:16:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:16:06,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 09:16:06,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:16:06,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 09:16:06,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:16:06,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 09:16:06,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:16:06,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 09:16:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:16:06,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 09:16:06,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:16:06,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 09:16:06,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:16:06,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 09:16:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:16:06,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 09:16:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:16:06,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 09:16:06,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:16:06,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 09:16:06,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:16:06,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 09:16:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:16:06,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 09:16:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:16:06,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 09:16:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:16:06,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 09:16:06,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:16:06,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 09:16:06,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:16:06,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 09:16:06,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:16:06,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 09:16:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:16:06,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 09:16:06,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:16:06,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 09:16:06,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:16:06,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 09:16:06,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:16:06,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 09:16:06,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:16:06,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 09:16:06,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:16:06,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 09:16:06,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:16:06,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 09:16:06,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:16:06,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-10-24 09:16:06,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 09:16:06,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809292104] [2024-10-24 09:16:06,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809292104] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 09:16:06,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 09:16:06,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 09:16:06,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660770288] [2024-10-24 09:16:06,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 09:16:06,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 09:16:06,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 09:16:06,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 09:16:06,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 09:16:06,603 INFO L87 Difference]: Start difference. First operand 209 states and 277 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-10-24 09:16:06,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:16:06,704 INFO L93 Difference]: Finished difference Result 419 states and 554 transitions. [2024-10-24 09:16:06,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 09:16:06,705 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 163 [2024-10-24 09:16:06,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:16:06,708 INFO L225 Difference]: With dead ends: 419 [2024-10-24 09:16:06,708 INFO L226 Difference]: Without dead ends: 211 [2024-10-24 09:16:06,709 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 09:16:06,709 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 63 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 09:16:06,710 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 437 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 09:16:06,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2024-10-24 09:16:06,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 106. [2024-10-24 09:16:06,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 74 states have (on average 1.2297297297297298) internal successors, (91), 74 states have internal predecessors, (91), 24 states have call successors, (24), 7 states have call predecessors, (24), 7 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-24 09:16:06,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 139 transitions. [2024-10-24 09:16:06,746 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 139 transitions. Word has length 163 [2024-10-24 09:16:06,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:16:06,746 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 139 transitions. [2024-10-24 09:16:06,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-10-24 09:16:06,747 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 139 transitions. [2024-10-24 09:16:06,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-10-24 09:16:06,748 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:16:06,748 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:16:06,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 09:16:06,749 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:16:06,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:16:06,749 INFO L85 PathProgramCache]: Analyzing trace with hash -551479315, now seen corresponding path program 1 times [2024-10-24 09:16:06,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:16:06,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800583126] [2024-10-24 09:16:06,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:16:06,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:16:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 09:16:06,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [960573830] [2024-10-24 09:16:06,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:16:06,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 09:16:06,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 09:16:06,920 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) [2024-10-24 09:16:06,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 09:16:07,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:16:07,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-24 09:16:07,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 09:16:07,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-10-24 09:16:07,553 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 09:16:07,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 09:16:07,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800583126] [2024-10-24 09:16:07,554 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 09:16:07,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [960573830] [2024-10-24 09:16:07,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [960573830] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 09:16:07,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 09:16:07,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 09:16:07,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048730884] [2024-10-24 09:16:07,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 09:16:07,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 09:16:07,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 09:16:07,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 09:16:07,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-24 09:16:07,557 INFO L87 Difference]: Start difference. First operand 106 states and 139 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-10-24 09:16:07,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:16:07,800 INFO L93 Difference]: Finished difference Result 319 states and 419 transitions. [2024-10-24 09:16:07,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 09:16:07,801 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 164 [2024-10-24 09:16:07,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:16:07,803 INFO L225 Difference]: With dead ends: 319 [2024-10-24 09:16:07,803 INFO L226 Difference]: Without dead ends: 214 [2024-10-24 09:16:07,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-24 09:16:07,804 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 102 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 09:16:07,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 459 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 09:16:07,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-10-24 09:16:07,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 182. [2024-10-24 09:16:07,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 119 states have (on average 1.1764705882352942) internal successors, (140), 119 states have internal predecessors, (140), 48 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-10-24 09:16:07,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 236 transitions. [2024-10-24 09:16:07,859 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 236 transitions. Word has length 164 [2024-10-24 09:16:07,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:16:07,860 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 236 transitions. [2024-10-24 09:16:07,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-10-24 09:16:07,860 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 236 transitions. [2024-10-24 09:16:07,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-10-24 09:16:07,861 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:16:07,861 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:16:07,879 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-24 09:16:08,065 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 [2024-10-24 09:16:08,066 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:16:08,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:16:08,066 INFO L85 PathProgramCache]: Analyzing trace with hash -332624597, now seen corresponding path program 1 times [2024-10-24 09:16:08,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:16:08,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016563204] [2024-10-24 09:16:08,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:16:08,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:16:08,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 09:16:08,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1282091849] [2024-10-24 09:16:08,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:16:08,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 09:16:08,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 09:16:08,222 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) [2024-10-24 09:16:08,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 09:16:08,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 09:16:08,497 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 09:16:08,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 09:16:08,676 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 09:16:08,676 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 09:16:08,677 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-24 09:16:08,689 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-24 09:16:08,879 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 [2024-10-24 09:16:08,883 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:16:09,013 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 09:16:09,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:16:09 BoogieIcfgContainer [2024-10-24 09:16:09,017 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 09:16:09,018 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 09:16:09,018 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 09:16:09,018 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 09:16:09,018 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:15:52" (3/4) ... [2024-10-24 09:16:09,020 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-24 09:16:09,021 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 09:16:09,022 INFO L158 Benchmark]: Toolchain (without parser) took 17475.82ms. Allocated memory was 159.4MB in the beginning and 369.1MB in the end (delta: 209.7MB). Free memory was 102.8MB in the beginning and 218.5MB in the end (delta: -115.7MB). Peak memory consumption was 95.4MB. Max. memory is 16.1GB. [2024-10-24 09:16:09,022 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 159.4MB. Free memory is still 120.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 09:16:09,022 INFO L158 Benchmark]: CACSL2BoogieTranslator took 404.96ms. Allocated memory is still 159.4MB. Free memory was 102.8MB in the beginning and 84.0MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-24 09:16:09,022 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.79ms. Allocated memory is still 159.4MB. Free memory was 84.0MB in the beginning and 78.6MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-24 09:16:09,023 INFO L158 Benchmark]: Boogie Preprocessor took 96.25ms. Allocated memory is still 159.4MB. Free memory was 78.6MB in the beginning and 68.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-24 09:16:09,023 INFO L158 Benchmark]: RCFGBuilder took 832.42ms. Allocated memory was 159.4MB in the beginning and 253.8MB in the end (delta: 94.4MB). Free memory was 68.1MB in the beginning and 190.7MB in the end (delta: -122.5MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2024-10-24 09:16:09,023 INFO L158 Benchmark]: TraceAbstraction took 16057.19ms. Allocated memory was 253.8MB in the beginning and 369.1MB in the end (delta: 115.3MB). Free memory was 189.6MB in the beginning and 219.5MB in the end (delta: -29.9MB). Peak memory consumption was 85.4MB. Max. memory is 16.1GB. [2024-10-24 09:16:09,024 INFO L158 Benchmark]: Witness Printer took 3.66ms. Allocated memory is still 369.1MB. Free memory was 219.5MB in the beginning and 218.5MB in the end (delta: 974.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 09:16:09,025 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 159.4MB. Free memory is still 120.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 404.96ms. Allocated memory is still 159.4MB. Free memory was 102.8MB in the beginning and 84.0MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.79ms. Allocated memory is still 159.4MB. Free memory was 84.0MB in the beginning and 78.6MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.25ms. Allocated memory is still 159.4MB. Free memory was 78.6MB in the beginning and 68.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 832.42ms. Allocated memory was 159.4MB in the beginning and 253.8MB in the end (delta: 94.4MB). Free memory was 68.1MB in the beginning and 190.7MB in the end (delta: -122.5MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. * TraceAbstraction took 16057.19ms. Allocated memory was 253.8MB in the beginning and 369.1MB in the end (delta: 115.3MB). Free memory was 189.6MB in the beginning and 219.5MB in the end (delta: -29.9MB). Peak memory consumption was 85.4MB. Max. memory is 16.1GB. * Witness Printer took 3.66ms. Allocated memory is still 369.1MB. Free memory was 219.5MB in the beginning and 218.5MB in the end (delta: 974.8kB). There was no memory consumed. 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 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 196, overapproximation of shiftLeft at line 196, overapproximation of someBinaryDOUBLEComparisonOperation at line 196, overapproximation of someBinaryArithmeticFLOAToperation at line 139. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 200; [L23] unsigned short int var_1_4 = 8; [L24] unsigned short int var_1_5 = 5; [L25] unsigned long int var_1_6 = 256; [L26] float var_1_7 = 9999999999999.2; [L27] float var_1_8 = 499.5; [L28] float var_1_9 = 64.4; [L29] float var_1_10 = 0.5; [L30] float var_1_11 = 5.8; [L31] float var_1_12 = 16.75; [L32] float var_1_13 = 99.5; [L33] signed short int var_1_15 = -10; [L34] unsigned char var_1_17 = 0; [L35] unsigned long int var_1_19 = 2743323310; [L36] unsigned long int var_1_20 = 4162860161; [L37] unsigned char var_1_21 = 0; [L38] double var_1_22 = 99.7; [L39] unsigned long int var_1_23 = 8; [L40] unsigned char var_1_24 = 1; [L41] unsigned char var_1_25 = 128; [L42] unsigned char var_1_26 = 128; [L43] unsigned char var_1_27 = 32; [L44] unsigned char var_1_28 = 200; [L45] float var_1_29 = 16.1; [L46] float var_1_30 = 7.9; [L47] unsigned char var_1_31 = 0; [L48] unsigned char var_1_32 = 1; [L49] unsigned char var_1_33 = 8; [L50] signed short int last_1_var_1_15 = -10; [L51] double last_1_var_1_22 = 99.7; [L52] unsigned long int last_1_var_1_23 = 8; [L53] unsigned char last_1_var_1_24 = 1; [L54] unsigned char last_1_var_1_27 = 32; [L55] unsigned char last_1_var_1_31 = 0; [L200] isInitial = 1 [L201] FCALL initially() [L202] COND TRUE 1 [L203] CALL updateLastVariables() [L188] last_1_var_1_15 = var_1_15 [L189] last_1_var_1_22 = var_1_22 [L190] last_1_var_1_23 = var_1_23 [L191] last_1_var_1_24 = var_1_24 [L192] last_1_var_1_27 = var_1_27 [L193] last_1_var_1_31 = var_1_31 [L203] RET updateLastVariables() [L204] CALL updateVariables() [L147] var_1_4 = __VERIFIER_nondet_ushort() [L148] CALL assume_abort_if_not(var_1_4 >= 8) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_10=1/2, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=5, var_1_6=256, var_1_7=49999999999996/5, var_1_8=999/2, var_1_9=322/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_10=1/2, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=5, var_1_6=256, var_1_7=49999999999996/5, var_1_8=999/2, var_1_9=322/5] [L148] RET assume_abort_if_not(var_1_4 >= 8) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_10=1/2, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=5, var_1_6=256, var_1_7=49999999999996/5, var_1_8=999/2, var_1_9=322/5] [L149] CALL assume_abort_if_not(var_1_4 <= 17) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_10=1/2, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=5, var_1_6=256, var_1_7=49999999999996/5, var_1_8=999/2, var_1_9=322/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_10=1/2, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=5, var_1_6=256, var_1_7=49999999999996/5, var_1_8=999/2, var_1_9=322/5] [L149] RET assume_abort_if_not(var_1_4 <= 17) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_10=1/2, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=5, var_1_6=256, var_1_7=49999999999996/5, var_1_8=999/2, var_1_9=322/5] [L150] var_1_5 = __VERIFIER_nondet_ushort() [L151] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_10=1/2, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_6=256, var_1_7=49999999999996/5, var_1_8=999/2, var_1_9=322/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_10=1/2, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_6=256, var_1_7=49999999999996/5, var_1_8=999/2, var_1_9=322/5] [L151] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_10=1/2, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_6=256, var_1_7=49999999999996/5, var_1_8=999/2, var_1_9=322/5] [L152] CALL assume_abort_if_not(var_1_5 <= 8) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_10=1/2, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5, var_1_8=999/2, var_1_9=322/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_10=1/2, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5, var_1_8=999/2, var_1_9=322/5] [L152] RET assume_abort_if_not(var_1_5 <= 8) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_10=1/2, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5, var_1_8=999/2, var_1_9=322/5] [L153] var_1_8 = __VERIFIER_nondet_float() [L154] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_10=1/2, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5, var_1_9=322/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_10=1/2, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5, var_1_9=322/5] [L154] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_10=1/2, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5, var_1_9=322/5] [L155] var_1_9 = __VERIFIER_nondet_float() [L156] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_10=1/2, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_10=1/2, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L156] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_10=1/2, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L157] var_1_10 = __VERIFIER_nondet_float() [L158] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L158] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L159] var_1_11 = __VERIFIER_nondet_float() [L160] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L160] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L161] var_1_12 = __VERIFIER_nondet_float() [L162] CALL assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L162] RET assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L163] var_1_13 = __VERIFIER_nondet_float() [L164] CALL assume_abort_if_not((var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L164] RET assume_abort_if_not((var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L165] var_1_19 = __VERIFIER_nondet_ulong() [L166] CALL assume_abort_if_not(var_1_19 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L166] RET assume_abort_if_not(var_1_19 >= 2147483647) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L167] CALL assume_abort_if_not(var_1_19 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L167] RET assume_abort_if_not(var_1_19 <= 4294967295) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L168] var_1_20 = __VERIFIER_nondet_ulong() [L169] CALL assume_abort_if_not(var_1_20 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=2147483647, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=2147483647, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L169] RET assume_abort_if_not(var_1_20 >= 2147483647) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=2147483647, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L170] CALL assume_abort_if_not(var_1_20 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=2147483647, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=2147483647, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L170] RET assume_abort_if_not(var_1_20 <= 4294967295) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=2147483647, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L171] var_1_21 = __VERIFIER_nondet_uchar() [L172] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=2147483647, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=2147483647, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L172] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=2147483647, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L173] CALL assume_abort_if_not(var_1_21 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=2147483647, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=2147483647, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L173] RET assume_abort_if_not(var_1_21 <= 0) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=2147483647, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L174] var_1_25 = __VERIFIER_nondet_uchar() [L175] CALL assume_abort_if_not(var_1_25 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=2147483647, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=2147483647, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L175] RET assume_abort_if_not(var_1_25 >= 127) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=2147483647, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L176] CALL assume_abort_if_not(var_1_25 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=2147483647, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=2147483647, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L176] RET assume_abort_if_not(var_1_25 <= 254) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=2147483647, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L177] var_1_26 = __VERIFIER_nondet_uchar() [L178] CALL assume_abort_if_not(var_1_26 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=2147483647, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=2147483647, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L178] RET assume_abort_if_not(var_1_26 >= 127) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=2147483647, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L179] CALL assume_abort_if_not(var_1_26 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=2147483647, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=2147483647, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L179] RET assume_abort_if_not(var_1_26 <= 254) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=2147483647, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L180] var_1_28 = __VERIFIER_nondet_uchar() [L181] CALL assume_abort_if_not(var_1_28 >= 190) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=2147483647, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=32, var_1_28=190, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=2147483647, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=32, var_1_28=190, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L181] RET assume_abort_if_not(var_1_28 >= 190) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=2147483647, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=32, var_1_28=190, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L182] CALL assume_abort_if_not(var_1_28 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=2147483647, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=32, var_1_28=190, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=2147483647, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=32, var_1_28=190, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L182] RET assume_abort_if_not(var_1_28 <= 254) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=2147483647, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=32, var_1_28=190, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L183] var_1_32 = __VERIFIER_nondet_uchar() [L184] CALL assume_abort_if_not(var_1_32 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=2147483647, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=32, var_1_28=190, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=2147483647, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=32, var_1_28=190, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L184] RET assume_abort_if_not(var_1_32 >= 1) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=2147483647, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=32, var_1_28=190, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L185] CALL assume_abort_if_not(var_1_32 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=2147483647, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=32, var_1_28=190, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=2147483647, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=32, var_1_28=190, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L185] RET assume_abort_if_not(var_1_32 <= 1) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=2147483647, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=32, var_1_28=190, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=256, var_1_7=49999999999996/5] [L204] RET updateVariables() [L205] CALL step() [L59] COND TRUE (var_1_4 >= last_1_var_1_24) && (last_1_var_1_27 >= ((((var_1_5) < (last_1_var_1_24)) ? (var_1_5) : (last_1_var_1_24)))) [L60] var_1_6 = 200u VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=2147483647, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=32, var_1_28=190, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=200, var_1_7=49999999999996/5] [L62] COND FALSE !(\read(last_1_var_1_31)) [L73] var_1_17 = var_1_21 VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=2147483647, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=32, var_1_28=190, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=200, var_1_7=49999999999996/5] [L75] COND FALSE !(\read(var_1_17)) [L78] var_1_31 = (! 1) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=2147483647, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=32, var_1_28=190, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=200, var_1_7=49999999999996/5] [L80] EXPR (last_1_var_1_23 * last_1_var_1_15) << (var_1_4 - var_1_5) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=2147483647, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=32, var_1_28=190, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=200, var_1_7=49999999999996/5] [L80] unsigned long int stepLocal_0 = (last_1_var_1_23 * last_1_var_1_15) << (var_1_4 - var_1_5); [L81] COND FALSE !(stepLocal_0 <= -128) [L84] var_1_1 = ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=8, var_1_20=2147483647, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=32, var_1_28=190, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=200, var_1_7=49999999999996/5] [L86] unsigned char stepLocal_4 = var_1_17; VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, stepLocal_4=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=8, var_1_20=2147483647, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=32, var_1_28=190, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=200, var_1_7=49999999999996/5] [L87] COND TRUE stepLocal_4 || (last_1_var_1_22 <= var_1_12) [L88] var_1_22 = ((((200.3) < (var_1_9)) ? (200.3) : (var_1_9))) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=8, var_1_20=2147483647, var_1_21=0, var_1_22=2003/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=32, var_1_28=190, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=200, var_1_7=49999999999996/5, var_1_9=0] [L92] signed long int stepLocal_6 = (((var_1_25) > (256)) ? (var_1_25) : (256)); VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, stepLocal_6=256, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=8, var_1_20=2147483647, var_1_21=0, var_1_22=2003/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=32, var_1_28=190, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=200, var_1_7=49999999999996/5, var_1_9=0] [L93] COND TRUE var_1_5 <= stepLocal_6 [L94] var_1_27 = ((var_1_28 - var_1_4) - var_1_5) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=8, var_1_20=2147483647, var_1_21=0, var_1_22=2003/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=174, var_1_28=190, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=200, var_1_7=49999999999996/5, var_1_9=0] [L98] var_1_29 = (var_1_12 + ((((9.999999999999995E14f) > (var_1_13)) ? (9.999999999999995E14f) : (var_1_13)))) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=8, var_1_20=2147483647, var_1_21=0, var_1_22=2003/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=174, var_1_28=190, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=200, var_1_7=49999999999996/5, var_1_9=0] [L99] COND TRUE var_1_19 != 25u VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=8, var_1_20=2147483647, var_1_21=0, var_1_22=2003/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=174, var_1_28=190, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=200, var_1_7=49999999999996/5, var_1_9=0] [L100] COND TRUE ! var_1_21 [L101] var_1_30 = var_1_8 VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=8, var_1_20=2147483647, var_1_21=0, var_1_22=2003/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=174, var_1_28=190, var_1_30=2, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=200, var_1_7=49999999999996/5, var_1_8=2, var_1_9=0] [L106] COND FALSE !(\read(var_1_31)) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=8, var_1_20=2147483647, var_1_21=0, var_1_22=2003/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=174, var_1_28=190, var_1_30=2, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=200, var_1_7=49999999999996/5, var_1_8=2, var_1_9=0] [L111] signed long int stepLocal_5 = var_1_33 % var_1_4; VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, stepLocal_5=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=8, var_1_20=2147483647, var_1_21=0, var_1_22=2003/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=174, var_1_28=190, var_1_30=2, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=200, var_1_7=49999999999996/5, var_1_8=2, var_1_9=0] [L112] COND FALSE !(stepLocal_5 > var_1_5) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=8, var_1_20=2147483647, var_1_21=0, var_1_22=2003/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=174, var_1_28=190, var_1_30=2, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=200, var_1_7=49999999999996/5, var_1_8=2, var_1_9=0] [L115] unsigned long int stepLocal_3 = var_1_6; [L116] signed long int stepLocal_2 = 128; VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, stepLocal_2=128, stepLocal_3=200, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=8, var_1_20=2147483647, var_1_21=0, var_1_22=2003/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=174, var_1_28=190, var_1_30=2, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=200, var_1_7=49999999999996/5, var_1_8=2, var_1_9=0] [L117] COND FALSE !(var_1_1 > stepLocal_3) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, stepLocal_2=128, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=8, var_1_20=2147483647, var_1_21=0, var_1_22=2003/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=174, var_1_28=190, var_1_30=2, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=200, var_1_7=49999999999996/5, var_1_8=2, var_1_9=0] [L120] COND TRUE var_1_33 != stepLocal_2 [L121] var_1_15 = (var_1_5 - 1) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=7, var_1_17=0, var_1_19=2147483647, var_1_1=8, var_1_20=2147483647, var_1_21=0, var_1_22=2003/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=174, var_1_28=190, var_1_30=2, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=200, var_1_7=49999999999996/5, var_1_8=2, var_1_9=0] [L126] COND FALSE !(((((var_1_1) < ((var_1_4 - var_1_5))) ? (var_1_1) : ((var_1_4 - var_1_5)))) > var_1_27) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=7, var_1_17=0, var_1_19=2147483647, var_1_1=8, var_1_20=2147483647, var_1_21=0, var_1_22=2003/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=174, var_1_28=190, var_1_30=2, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=200, var_1_7=49999999999996/5, var_1_8=2, var_1_9=0] [L137] signed long int stepLocal_1 = var_1_33 + var_1_5; VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, stepLocal_1=16, var_1_15=7, var_1_17=0, var_1_19=2147483647, var_1_1=8, var_1_20=2147483647, var_1_21=0, var_1_22=2003/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=174, var_1_28=190, var_1_30=2, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=200, var_1_7=49999999999996/5, var_1_8=2, var_1_9=0] [L138] COND TRUE stepLocal_1 > var_1_24 [L139] var_1_7 = (((((((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))) - var_1_10)) > (((((var_1_11) > ((var_1_12 + var_1_13))) ? (var_1_11) : ((var_1_12 + var_1_13)))))) ? ((((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))) - var_1_10)) : (((((var_1_11) > ((var_1_12 + var_1_13))) ? (var_1_11) : ((var_1_12 + var_1_13))))))) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_11=0, var_1_15=7, var_1_17=0, var_1_19=2147483647, var_1_1=8, var_1_20=2147483647, var_1_21=0, var_1_22=2003/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=174, var_1_28=190, var_1_30=2, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=200, var_1_7=3, var_1_8=2, var_1_9=0] [L205] RET step() [L206] CALL, EXPR property() [L196] EXPR (last_1_var_1_23 * last_1_var_1_15) << (var_1_4 - var_1_5) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_11=0, var_1_15=7, var_1_17=0, var_1_19=2147483647, var_1_1=8, var_1_20=2147483647, var_1_21=0, var_1_22=2003/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=174, var_1_28=190, var_1_30=2, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=200, var_1_7=3, var_1_8=2, var_1_9=0] [L196-L197] return (((((((((((((((last_1_var_1_23 * last_1_var_1_15) << (var_1_4 - var_1_5)) <= -128) ? (var_1_1 == ((unsigned char) (var_1_5 + var_1_4))) : (var_1_1 == ((unsigned char) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))))) && (((var_1_4 >= last_1_var_1_24) && (last_1_var_1_27 >= ((((var_1_5) < (last_1_var_1_24)) ? (var_1_5) : (last_1_var_1_24))))) ? (var_1_6 == ((unsigned long int) 200u)) : 1)) && (((var_1_33 + var_1_5) > var_1_24) ? (var_1_7 == ((float) (((((((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))) - var_1_10)) > (((((var_1_11) > ((var_1_12 + var_1_13))) ? (var_1_11) : ((var_1_12 + var_1_13)))))) ? ((((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))) - var_1_10)) : (((((var_1_11) > ((var_1_12 + var_1_13))) ? (var_1_11) : ((var_1_12 + var_1_13))))))))) : ((! var_1_31) ? (var_1_7 == ((float) ((((var_1_11) > (var_1_13)) ? (var_1_11) : (var_1_13))))) : 1))) && ((var_1_1 > var_1_6) ? (var_1_15 == ((signed short int) last_1_var_1_15)) : ((var_1_33 != 128) ? (var_1_15 == ((signed short int) (var_1_5 - 1))) : (var_1_15 == ((signed short int) var_1_27))))) && (last_1_var_1_31 ? (last_1_var_1_31 ? (((((((var_1_19) > (var_1_20)) ? (var_1_19) : (var_1_20))) - ((((10u) > (var_1_5)) ? (10u) : (var_1_5)))) != var_1_4) ? (var_1_17 == ((unsigned char) 0)) : (var_1_17 == ((unsigned char) 0))) : (var_1_17 == ((unsigned char) var_1_21))) : (var_1_17 == ((unsigned char) var_1_21)))) && ((var_1_17 || (last_1_var_1_22 <= var_1_12)) ? (var_1_22 == ((double) ((((200.3) < (var_1_9)) ? (200.3) : (var_1_9))))) : (var_1_22 == ((double) (var_1_8 - var_1_9))))) && ((((((var_1_1) < ((var_1_4 - var_1_5))) ? (var_1_1) : ((var_1_4 - var_1_5)))) > var_1_27) ? (((5 * var_1_27) <= var_1_24) ? ((var_1_5 >= var_1_1) ? (var_1_23 == ((unsigned long int) var_1_24)) : (var_1_23 == ((unsigned long int) var_1_5))) : (var_1_23 == ((unsigned long int) var_1_4))) : 1)) && (((var_1_33 % var_1_4) > var_1_5) ? (var_1_24 == ((unsigned char) (((((var_1_25) > (var_1_26)) ? (var_1_25) : (var_1_26))) - var_1_4))) : 1)) && ((var_1_5 <= ((((var_1_25) > (256)) ? (var_1_25) : (256)))) ? (var_1_27 == ((unsigned char) ((var_1_28 - var_1_4) - var_1_5))) : (var_1_27 == ((unsigned char) (((((var_1_25) > (var_1_28)) ? (var_1_25) : (var_1_28))) - var_1_5))))) && (var_1_29 == ((float) (var_1_12 + ((((9.999999999999995E14f) > (var_1_13)) ? (9.999999999999995E14f) : (var_1_13))))))) && ((var_1_19 != 25u) ? ((! var_1_21) ? (var_1_30 == ((float) var_1_8)) : 1) : (var_1_30 == ((float) (var_1_10 - var_1_9))))) && (var_1_17 ? (var_1_31 == ((unsigned char) (! var_1_32))) : (var_1_31 == ((unsigned char) (! 1))))) && (var_1_31 ? (((var_1_6 / var_1_25) <= var_1_4) ? (var_1_33 == ((unsigned char) var_1_5)) : 1) : 1) ; [L206] RET, EXPR property() [L206] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_11=0, var_1_15=7, var_1_17=0, var_1_19=2147483647, var_1_1=8, var_1_20=2147483647, var_1_21=0, var_1_22=2003/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=174, var_1_28=190, var_1_30=2, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=200, var_1_7=3, var_1_8=2, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_11=0, var_1_15=7, var_1_17=0, var_1_19=2147483647, var_1_1=8, var_1_20=2147483647, var_1_21=0, var_1_22=2003/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=174, var_1_28=190, var_1_30=2, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=8, var_1_5=8, var_1_6=200, var_1_7=3, var_1_8=2, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 84 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.8s, OverallIterations: 8, TraceHistogramMax: 24, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1046 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1029 mSDsluCounter, 2706 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1836 mSDsCounter, 363 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2181 IncrementalHoareTripleChecker+Invalid, 2544 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 363 mSolverCounterUnsat, 870 mSDtfsCounter, 2181 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1544 GetRequests, 1436 SyntacticMatches, 1 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1163 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=209occurred in iteration=5, InterpolantAutomatonStates: 95, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 310 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 2120 NumberOfCodeBlocks, 2120 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2103 ConstructedInterpolants, 0 QuantifiedInterpolants, 9163 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1589 ConjunctsInSsa, 49 ConjunctsInUnsatCore, 13 InterpolantComputations, 4 PerfectInterpolantSequences, 13644/14352 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-24 09:16:09,081 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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-39.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dfd4199778f3470f18ddded1b4acee60166184917bf25c1bba255dc5dd2abf98 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 09:16:11,257 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 09:16:11,331 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-24 09:16:11,338 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 09:16:11,339 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 09:16:11,370 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 09:16:11,373 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 09:16:11,373 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 09:16:11,374 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 09:16:11,375 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 09:16:11,375 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 09:16:11,376 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 09:16:11,376 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 09:16:11,377 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 09:16:11,377 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 09:16:11,379 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 09:16:11,379 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 09:16:11,379 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 09:16:11,379 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 09:16:11,380 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 09:16:11,380 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 09:16:11,384 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 09:16:11,384 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 09:16:11,384 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 09:16:11,384 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-24 09:16:11,384 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 09:16:11,384 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-24 09:16:11,385 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 09:16:11,385 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 09:16:11,385 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 09:16:11,385 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 09:16:11,385 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 09:16:11,386 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 09:16:11,386 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 09:16:11,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 09:16:11,386 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 09:16:11,386 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 09:16:11,387 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 09:16:11,387 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-24 09:16:11,387 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-24 09:16:11,390 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 09:16:11,390 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 09:16:11,390 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 09:16:11,390 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 09:16:11,391 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-24 09:16:11,391 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfd4199778f3470f18ddded1b4acee60166184917bf25c1bba255dc5dd2abf98 [2024-10-24 09:16:11,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 09:16:11,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 09:16:11,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 09:16:11,734 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 09:16:11,736 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 09:16:11,738 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-39.i [2024-10-24 09:16:13,296 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 09:16:13,510 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 09:16:13,514 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-39.i [2024-10-24 09:16:13,530 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/113805a01/4cbd6f467f8b45e0b6ff9c0f1d06763d/FLAG9d92c72ce [2024-10-24 09:16:13,543 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/113805a01/4cbd6f467f8b45e0b6ff9c0f1d06763d [2024-10-24 09:16:13,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 09:16:13,546 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 09:16:13,547 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 09:16:13,547 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 09:16:13,554 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 09:16:13,554 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:16:13" (1/1) ... [2024-10-24 09:16:13,557 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16c4f96a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:16:13, skipping insertion in model container [2024-10-24 09:16:13,557 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:16:13" (1/1) ... [2024-10-24 09:16:13,583 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 09:16:13,787 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-39.i[916,929] [2024-10-24 09:16:13,888 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 09:16:13,908 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 09:16:13,922 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-39.i[916,929] [2024-10-24 09:16:13,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 09:16:14,000 INFO L204 MainTranslator]: Completed translation [2024-10-24 09:16:14,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:16:14 WrapperNode [2024-10-24 09:16:14,001 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 09:16:14,002 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 09:16:14,002 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 09:16:14,002 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 09:16:14,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:16:14" (1/1) ... [2024-10-24 09:16:14,029 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:16:14" (1/1) ... [2024-10-24 09:16:14,068 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 196 [2024-10-24 09:16:14,069 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 09:16:14,070 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 09:16:14,070 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 09:16:14,070 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 09:16:14,082 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:16:14" (1/1) ... [2024-10-24 09:16:14,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:16:14" (1/1) ... [2024-10-24 09:16:14,087 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:16:14" (1/1) ... [2024-10-24 09:16:14,105 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 09:16:14,106 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:16:14" (1/1) ... [2024-10-24 09:16:14,106 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:16:14" (1/1) ... [2024-10-24 09:16:14,115 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:16:14" (1/1) ... [2024-10-24 09:16:14,119 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:16:14" (1/1) ... [2024-10-24 09:16:14,121 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:16:14" (1/1) ... [2024-10-24 09:16:14,123 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:16:14" (1/1) ... [2024-10-24 09:16:14,126 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 09:16:14,127 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 09:16:14,127 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 09:16:14,128 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 09:16:14,128 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:16:14" (1/1) ... [2024-10-24 09:16:14,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 09:16:14,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 09:16:14,168 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) [2024-10-24 09:16:14,170 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 [2024-10-24 09:16:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 09:16:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-24 09:16:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 09:16:14,212 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 09:16:14,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 09:16:14,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 09:16:14,333 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 09:16:14,335 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 09:16:19,683 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-10-24 09:16:19,683 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 09:16:19,758 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 09:16:19,759 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 09:16:19,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:16:19 BoogieIcfgContainer [2024-10-24 09:16:19,761 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 09:16:19,763 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 09:16:19,763 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 09:16:19,766 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 09:16:19,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:16:13" (1/3) ... [2024-10-24 09:16:19,768 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ac3823c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:16:19, skipping insertion in model container [2024-10-24 09:16:19,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:16:14" (2/3) ... [2024-10-24 09:16:19,769 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ac3823c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:16:19, skipping insertion in model container [2024-10-24 09:16:19,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:16:19" (3/3) ... [2024-10-24 09:16:19,770 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-39.i [2024-10-24 09:16:19,785 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 09:16:19,786 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 09:16:19,850 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 09:16:19,858 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;@44afaf0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 09:16:19,858 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 09:16:19,863 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 52 states have (on average 1.4807692307692308) internal successors, (77), 53 states have internal predecessors, (77), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-24 09:16:19,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-10-24 09:16:19,878 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:16:19,879 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:16:19,880 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:16:19,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:16:19,886 INFO L85 PathProgramCache]: Analyzing trace with hash 199933563, now seen corresponding path program 1 times [2024-10-24 09:16:19,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 09:16:19,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [786904458] [2024-10-24 09:16:19,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:16:19,903 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 09:16:19,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 09:16:19,907 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 09:16:19,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-24 09:16:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:16:20,415 INFO L255 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-24 09:16:20,425 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 09:16:20,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 526 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-10-24 09:16:20,465 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 09:16:20,467 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 09:16:20,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [786904458] [2024-10-24 09:16:20,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [786904458] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 09:16:20,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 09:16:20,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 09:16:20,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454177409] [2024-10-24 09:16:20,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 09:16:20,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 09:16:20,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 09:16:20,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 09:16:20,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 09:16:20,502 INFO L87 Difference]: Start difference. First operand has 79 states, 52 states have (on average 1.4807692307692308) internal successors, (77), 53 states have internal predecessors, (77), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-10-24 09:16:23,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.94s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-24 09:16:23,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:16:23,545 INFO L93 Difference]: Finished difference Result 155 states and 272 transitions. [2024-10-24 09:16:23,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 09:16:23,579 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 159 [2024-10-24 09:16:23,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:16:23,585 INFO L225 Difference]: With dead ends: 155 [2024-10-24 09:16:23,586 INFO L226 Difference]: Without dead ends: 77 [2024-10-24 09:16:23,589 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 09:16:23,593 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-10-24 09:16:23,594 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 117 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-10-24 09:16:23,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-10-24 09:16:23,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-10-24 09:16:23,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 51 states have (on average 1.411764705882353) internal successors, (72), 51 states have internal predecessors, (72), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-24 09:16:23,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 120 transitions. [2024-10-24 09:16:23,655 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 120 transitions. Word has length 159 [2024-10-24 09:16:23,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:16:23,655 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 120 transitions. [2024-10-24 09:16:23,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-10-24 09:16:23,656 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 120 transitions. [2024-10-24 09:16:23,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-10-24 09:16:23,660 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:16:23,660 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:16:23,684 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-10-24 09:16:23,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 09:16:23,861 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:16:23,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:16:23,862 INFO L85 PathProgramCache]: Analyzing trace with hash 2091081159, now seen corresponding path program 1 times [2024-10-24 09:16:23,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 09:16:23,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1114600946] [2024-10-24 09:16:23,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:16:23,863 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 09:16:23,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 09:16:23,865 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 09:16:23,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-24 09:16:24,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:16:24,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 09:16:24,350 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 09:16:24,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 533 proven. 24 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2024-10-24 09:16:24,952 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 09:16:25,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 45 proven. 24 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-10-24 09:16:25,723 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 09:16:25,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1114600946] [2024-10-24 09:16:25,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1114600946] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 09:16:25,723 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 09:16:25,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2024-10-24 09:16:25,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652013033] [2024-10-24 09:16:25,723 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 09:16:25,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 09:16:25,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 09:16:25,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 09:16:25,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-24 09:16:25,730 INFO L87 Difference]: Start difference. First operand 77 states and 120 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 2 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-10-24 09:16:30,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-24 09:16:30,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:16:30,604 INFO L93 Difference]: Finished difference Result 161 states and 246 transitions. [2024-10-24 09:16:30,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 09:16:30,638 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 2 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 159 [2024-10-24 09:16:30,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:16:30,640 INFO L225 Difference]: With dead ends: 161 [2024-10-24 09:16:30,641 INFO L226 Difference]: Without dead ends: 85 [2024-10-24 09:16:30,642 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 310 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2024-10-24 09:16:30,643 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 251 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-10-24 09:16:30,643 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 205 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-10-24 09:16:30,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-10-24 09:16:30,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 81. [2024-10-24 09:16:30,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 54 states have (on average 1.3518518518518519) internal successors, (73), 54 states have internal predecessors, (73), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-24 09:16:30,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 121 transitions. [2024-10-24 09:16:30,660 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 121 transitions. Word has length 159 [2024-10-24 09:16:30,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:16:30,661 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 121 transitions. [2024-10-24 09:16:30,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 2 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-10-24 09:16:30,662 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 121 transitions. [2024-10-24 09:16:30,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-10-24 09:16:30,664 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:16:30,664 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:16:30,683 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-10-24 09:16:30,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 09:16:30,865 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:16:30,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:16:30,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1273432709, now seen corresponding path program 1 times [2024-10-24 09:16:30,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 09:16:30,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [506116165] [2024-10-24 09:16:30,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:16:30,868 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 09:16:30,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 09:16:30,871 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 09:16:30,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-10-24 09:16:31,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:16:31,350 INFO L255 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 09:16:31,355 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 09:16:32,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 563 proven. 39 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2024-10-24 09:16:32,322 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 09:16:33,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 30 proven. 39 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-10-24 09:16:33,414 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 09:16:33,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [506116165] [2024-10-24 09:16:33,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [506116165] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 09:16:33,414 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 09:16:33,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-10-24 09:16:33,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465477068] [2024-10-24 09:16:33,414 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 09:16:33,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 09:16:33,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 09:16:33,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 09:16:33,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-24 09:16:33,420 INFO L87 Difference]: Start difference. First operand 81 states and 121 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 3 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-10-24 09:16:37,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.38s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-24 09:16:37,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:16:37,933 INFO L93 Difference]: Finished difference Result 169 states and 248 transitions. [2024-10-24 09:16:37,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 09:16:37,969 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 3 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 159 [2024-10-24 09:16:37,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:16:37,972 INFO L225 Difference]: With dead ends: 169 [2024-10-24 09:16:37,972 INFO L226 Difference]: Without dead ends: 89 [2024-10-24 09:16:37,973 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 310 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2024-10-24 09:16:37,977 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 57 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-10-24 09:16:37,978 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 209 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2024-10-24 09:16:37,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-10-24 09:16:37,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 85. [2024-10-24 09:16:37,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 57 states have (on average 1.2982456140350878) internal successors, (74), 57 states have internal predecessors, (74), 24 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-24 09:16:37,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 122 transitions. [2024-10-24 09:16:37,997 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 122 transitions. Word has length 159 [2024-10-24 09:16:37,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:16:37,998 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 122 transitions. [2024-10-24 09:16:37,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 3 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-10-24 09:16:38,000 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 122 transitions. [2024-10-24 09:16:38,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-10-24 09:16:38,003 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:16:38,003 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:16:38,023 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-10-24 09:16:38,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 09:16:38,204 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:16:38,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:16:38,205 INFO L85 PathProgramCache]: Analyzing trace with hash 2088967664, now seen corresponding path program 1 times [2024-10-24 09:16:38,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 09:16:38,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [967071118] [2024-10-24 09:16:38,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:16:38,206 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 09:16:38,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 09:16:38,210 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 09:16:38,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-10-24 09:16:38,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:16:38,606 INFO L255 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-24 09:16:38,611 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 09:16:42,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 219 proven. 123 refuted. 0 times theorem prover too weak. 762 trivial. 0 not checked. [2024-10-24 09:16:42,152 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 09:16:43,410 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 09:16:43,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [967071118] [2024-10-24 09:16:43,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [967071118] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 09:16:43,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [840493388] [2024-10-24 09:16:43,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:16:43,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-10-24 09:16:43,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-10-24 09:16:43,414 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-10-24 09:16:43,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-10-24 09:16:44,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:16:44,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-24 09:16:44,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 09:16:47,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 219 proven. 123 refuted. 0 times theorem prover too weak. 762 trivial. 0 not checked. [2024-10-24 09:16:47,450 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 09:16:49,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [840493388] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 09:16:49,005 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 09:16:49,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13] total 13 [2024-10-24 09:16:49,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012046717] [2024-10-24 09:16:49,005 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 09:16:49,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 09:16:49,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 09:16:49,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 09:16:49,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=386, Unknown=0, NotChecked=0, Total=462 [2024-10-24 09:16:49,008 INFO L87 Difference]: Start difference. First operand 85 states and 122 transitions. Second operand has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 3 states have call successors, (24), 3 states have call predecessors, (24), 5 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-10-24 09:16:56,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.69s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-24 09:17:01,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:17:01,512 INFO L93 Difference]: Finished difference Result 320 states and 443 transitions. [2024-10-24 09:17:01,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-24 09:17:01,513 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 3 states have call successors, (24), 3 states have call predecessors, (24), 5 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 160 [2024-10-24 09:17:01,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:17:01,516 INFO L225 Difference]: With dead ends: 320 [2024-10-24 09:17:01,516 INFO L226 Difference]: Without dead ends: 236 [2024-10-24 09:17:01,518 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 617 GetRequests, 577 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=361, Invalid=1361, Unknown=0, NotChecked=0, Total=1722 [2024-10-24 09:17:01,519 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 267 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 783 mSolverCounterSat, 102 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 783 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2024-10-24 09:17:01,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 562 Invalid, 894 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 783 Invalid, 9 Unknown, 0 Unchecked, 10.3s Time] [2024-10-24 09:17:01,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-10-24 09:17:01,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 187. [2024-10-24 09:17:01,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 128 states have (on average 1.265625) internal successors, (162), 128 states have internal predecessors, (162), 48 states have call successors, (48), 10 states have call predecessors, (48), 10 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-10-24 09:17:01,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 258 transitions. [2024-10-24 09:17:01,556 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 258 transitions. Word has length 160 [2024-10-24 09:17:01,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:17:01,557 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 258 transitions. [2024-10-24 09:17:01,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 3 states have call successors, (24), 3 states have call predecessors, (24), 5 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-10-24 09:17:01,557 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 258 transitions. [2024-10-24 09:17:01,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-10-24 09:17:01,559 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:17:01,560 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:17:01,582 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-10-24 09:17:01,775 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-10-24 09:17:01,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-10-24 09:17:01,961 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:17:01,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:17:01,962 INFO L85 PathProgramCache]: Analyzing trace with hash 283529330, now seen corresponding path program 1 times [2024-10-24 09:17:01,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 09:17:01,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [923788392] [2024-10-24 09:17:01,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:17:01,963 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 09:17:01,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 09:17:01,964 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 09:17:01,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-10-24 09:17:02,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:17:02,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 09:17:02,390 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 09:17:03,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-10-24 09:17:03,544 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 09:17:03,544 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 09:17:03,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [923788392] [2024-10-24 09:17:03,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [923788392] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 09:17:03,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 09:17:03,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 09:17:03,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087143003] [2024-10-24 09:17:03,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 09:17:03,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 09:17:03,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 09:17:03,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 09:17:03,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 09:17:03,547 INFO L87 Difference]: Start difference. First operand 187 states and 258 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-10-24 09:17:06,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-24 09:17:06,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:17:06,537 INFO L93 Difference]: Finished difference Result 375 states and 516 transitions. [2024-10-24 09:17:06,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 09:17:06,538 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 160 [2024-10-24 09:17:06,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:17:06,540 INFO L225 Difference]: With dead ends: 375 [2024-10-24 09:17:06,540 INFO L226 Difference]: Without dead ends: 189 [2024-10-24 09:17:06,541 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 09:17:06,542 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 31 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-10-24 09:17:06,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 409 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-10-24 09:17:06,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-10-24 09:17:06,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 187. [2024-10-24 09:17:06,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 128 states have (on average 1.2578125) internal successors, (161), 128 states have internal predecessors, (161), 48 states have call successors, (48), 10 states have call predecessors, (48), 10 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-10-24 09:17:06,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 257 transitions. [2024-10-24 09:17:06,571 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 257 transitions. Word has length 160 [2024-10-24 09:17:06,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:17:06,571 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 257 transitions. [2024-10-24 09:17:06,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-10-24 09:17:06,572 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 257 transitions. [2024-10-24 09:17:06,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-10-24 09:17:06,574 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:17:06,574 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:17:06,596 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-10-24 09:17:06,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 09:17:06,775 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:17:06,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:17:06,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1108728641, now seen corresponding path program 1 times [2024-10-24 09:17:06,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 09:17:06,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [14108155] [2024-10-24 09:17:06,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:17:06,777 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 09:17:06,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 09:17:06,779 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 09:17:06,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-10-24 09:17:07,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:17:07,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-10-24 09:17:07,297 INFO L278 TraceCheckSpWp]: Computing forward predicates...