./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-35.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-35.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 f559001327fd9c83eb4d1ac9d6d7f88804c49729dc4f0a7e747db368444227d5 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 18:58:34,982 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 18:58:35,066 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 18:58:35,072 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 18:58:35,074 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 18:58:35,096 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 18:58:35,097 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 18:58:35,097 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 18:58:35,098 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 18:58:35,099 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 18:58:35,099 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 18:58:35,100 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 18:58:35,100 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 18:58:35,102 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 18:58:35,103 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 18:58:35,103 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 18:58:35,104 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 18:58:35,104 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 18:58:35,104 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 18:58:35,104 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 18:58:35,105 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 18:58:35,108 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 18:58:35,109 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 18:58:35,109 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 18:58:35,110 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 18:58:35,110 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 18:58:35,110 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 18:58:35,110 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 18:58:35,111 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 18:58:35,111 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 18:58:35,111 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 18:58:35,111 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 18:58:35,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 18:58:35,112 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 18:58:35,112 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 18:58:35,112 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 18:58:35,112 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 18:58:35,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 18:58:35,113 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 18:58:35,113 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 18:58:35,113 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 18:58:35,115 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 18:58:35,115 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f559001327fd9c83eb4d1ac9d6d7f88804c49729dc4f0a7e747db368444227d5 [2024-11-18 18:58:35,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 18:58:35,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 18:58:35,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 18:58:35,393 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 18:58:35,394 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 18:58:35,395 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-35.i [2024-11-18 18:58:36,895 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 18:58:37,097 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 18:58:37,098 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-35.i [2024-11-18 18:58:37,111 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e6b08cd4/95637805bf2d4ac68f4f08726ea927b8/FLAG2fcaf56c1 [2024-11-18 18:58:37,128 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e6b08cd4/95637805bf2d4ac68f4f08726ea927b8 [2024-11-18 18:58:37,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 18:58:37,131 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 18:58:37,132 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 18:58:37,133 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 18:58:37,138 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 18:58:37,140 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:58:37" (1/1) ... [2024-11-18 18:58:37,143 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c7fb613 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:58:37, skipping insertion in model container [2024-11-18 18:58:37,143 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:58:37" (1/1) ... [2024-11-18 18:58:37,172 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 18:58:37,331 WARN L250 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_fillercode_fillercodesize_normal_file-35.i[913,926] [2024-11-18 18:58:37,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 18:58:37,404 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 18:58:37,415 WARN L250 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_fillercode_fillercodesize_normal_file-35.i[913,926] [2024-11-18 18:58:37,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 18:58:37,467 INFO L204 MainTranslator]: Completed translation [2024-11-18 18:58:37,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:58:37 WrapperNode [2024-11-18 18:58:37,468 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 18:58:37,469 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 18:58:37,469 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 18:58:37,470 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 18:58:37,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:58:37" (1/1) ... [2024-11-18 18:58:37,495 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:58:37" (1/1) ... [2024-11-18 18:58:37,552 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 169 [2024-11-18 18:58:37,553 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 18:58:37,557 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 18:58:37,557 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 18:58:37,557 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 18:58:37,568 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:58:37" (1/1) ... [2024-11-18 18:58:37,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:58:37" (1/1) ... [2024-11-18 18:58:37,572 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:58:37" (1/1) ... [2024-11-18 18:58:37,597 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-18 18:58:37,604 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:58:37" (1/1) ... [2024-11-18 18:58:37,605 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:58:37" (1/1) ... [2024-11-18 18:58:37,619 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:58:37" (1/1) ... [2024-11-18 18:58:37,626 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:58:37" (1/1) ... [2024-11-18 18:58:37,628 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:58:37" (1/1) ... [2024-11-18 18:58:37,634 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:58:37" (1/1) ... [2024-11-18 18:58:37,637 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 18:58:37,642 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 18:58:37,642 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 18:58:37,642 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 18:58:37,643 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:58:37" (1/1) ... [2024-11-18 18:58:37,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 18:58:37,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 18:58:37,678 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-18 18:58:37,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-18 18:58:37,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 18:58:37,731 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 18:58:37,733 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 18:58:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 18:58:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 18:58:37,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 18:58:37,827 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 18:58:37,829 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 18:58:38,188 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-18 18:58:38,189 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 18:58:38,206 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 18:58:38,206 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 18:58:38,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:58:38 BoogieIcfgContainer [2024-11-18 18:58:38,207 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 18:58:38,208 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 18:58:38,209 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 18:58:38,211 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 18:58:38,211 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:58:37" (1/3) ... [2024-11-18 18:58:38,212 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef6d67a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:58:38, skipping insertion in model container [2024-11-18 18:58:38,212 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:58:37" (2/3) ... [2024-11-18 18:58:38,213 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef6d67a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:58:38, skipping insertion in model container [2024-11-18 18:58:38,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:58:38" (3/3) ... [2024-11-18 18:58:38,214 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-35.i [2024-11-18 18:58:38,232 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 18:58:38,232 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 18:58:38,288 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 18:58:38,294 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;@5e4bcfd9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 18:58:38,294 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 18:58:38,298 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 49 states have (on average 1.346938775510204) internal successors, (66), 50 states have internal predecessors, (66), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-18 18:58:38,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-18 18:58:38,317 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 18:58:38,318 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 18:58:38,320 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 18:58:38,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 18:58:38,327 INFO L85 PathProgramCache]: Analyzing trace with hash 2090058106, now seen corresponding path program 1 times [2024-11-18 18:58:38,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 18:58:38,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540047214] [2024-11-18 18:58:38,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 18:58:38,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 18:58:38,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 18:58:38,733 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-18 18:58:38,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 18:58:38,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540047214] [2024-11-18 18:58:38,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540047214] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 18:58:38,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [339904306] [2024-11-18 18:58:38,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 18:58:38,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 18:58:38,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 18:58:38,739 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 18:58:38,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-18 18:58:38,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 18:58:38,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 18:58:38,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 18:58:38,931 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-18 18:58:38,932 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 18:58:38,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [339904306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 18:58:38,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 18:58:38,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-18 18:58:38,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121885080] [2024-11-18 18:58:38,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 18:58:38,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 18:58:38,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 18:58:38,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 18:58:38,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 18:58:38,975 INFO L87 Difference]: Start difference. First operand has 72 states, 49 states have (on average 1.346938775510204) internal successors, (66), 50 states have internal predecessors, (66), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-18 18:58:38,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 18:58:38,999 INFO L93 Difference]: Finished difference Result 137 states and 226 transitions. [2024-11-18 18:58:38,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 18:58:39,001 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 136 [2024-11-18 18:58:39,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 18:58:39,007 INFO L225 Difference]: With dead ends: 137 [2024-11-18 18:58:39,007 INFO L226 Difference]: Without dead ends: 68 [2024-11-18 18:58:39,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 18:58:39,014 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 18:58:39,015 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 18:58:39,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-11-18 18:58:39,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2024-11-18 18:58:39,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 46 states have internal predecessors, (59), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-18 18:58:39,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 99 transitions. [2024-11-18 18:58:39,068 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 99 transitions. Word has length 136 [2024-11-18 18:58:39,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 18:58:39,069 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 99 transitions. [2024-11-18 18:58:39,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-18 18:58:39,071 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 99 transitions. [2024-11-18 18:58:39,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-18 18:58:39,076 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 18:58:39,076 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 18:58:39,098 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-18 18:58:39,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-18 18:58:39,277 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 18:58:39,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 18:58:39,278 INFO L85 PathProgramCache]: Analyzing trace with hash 98792834, now seen corresponding path program 1 times [2024-11-18 18:58:39,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 18:58:39,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467197315] [2024-11-18 18:58:39,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 18:58:39,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 18:58:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 18:58:39,810 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-18 18:58:39,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 18:58:39,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467197315] [2024-11-18 18:58:39,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467197315] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 18:58:39,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 18:58:39,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 18:58:39,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437286615] [2024-11-18 18:58:39,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 18:58:39,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 18:58:39,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 18:58:39,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 18:58:39,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-18 18:58:39,819 INFO L87 Difference]: Start difference. First operand 68 states and 99 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-18 18:58:40,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 18:58:40,065 INFO L93 Difference]: Finished difference Result 218 states and 318 transitions. [2024-11-18 18:58:40,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 18:58:40,069 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 136 [2024-11-18 18:58:40,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 18:58:40,075 INFO L225 Difference]: With dead ends: 218 [2024-11-18 18:58:40,075 INFO L226 Difference]: Without dead ends: 153 [2024-11-18 18:58:40,078 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-18 18:58:40,079 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 119 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-18 18:58:40,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 317 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-18 18:58:40,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-11-18 18:58:40,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 131. [2024-11-18 18:58:40,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 88 states have (on average 1.2840909090909092) internal successors, (113), 88 states have internal predecessors, (113), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-18 18:58:40,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 193 transitions. [2024-11-18 18:58:40,126 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 193 transitions. Word has length 136 [2024-11-18 18:58:40,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 18:58:40,127 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 193 transitions. [2024-11-18 18:58:40,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-18 18:58:40,129 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 193 transitions. [2024-11-18 18:58:40,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-18 18:58:40,131 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 18:58:40,132 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 18:58:40,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 18:58:40,133 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 18:58:40,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 18:58:40,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1668903680, now seen corresponding path program 1 times [2024-11-18 18:58:40,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 18:58:40,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90112953] [2024-11-18 18:58:40,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 18:58:40,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 18:58:40,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 18:58:40,513 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-18 18:58:40,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 18:58:40,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90112953] [2024-11-18 18:58:40,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90112953] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 18:58:40,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 18:58:40,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 18:58:40,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074332395] [2024-11-18 18:58:40,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 18:58:40,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 18:58:40,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 18:58:40,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 18:58:40,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 18:58:40,519 INFO L87 Difference]: Start difference. First operand 131 states and 193 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-18 18:58:40,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 18:58:40,686 INFO L93 Difference]: Finished difference Result 415 states and 610 transitions. [2024-11-18 18:58:40,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 18:58:40,690 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 137 [2024-11-18 18:58:40,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 18:58:40,693 INFO L225 Difference]: With dead ends: 415 [2024-11-18 18:58:40,693 INFO L226 Difference]: Without dead ends: 287 [2024-11-18 18:58:40,697 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-18 18:58:40,699 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 96 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 18:58:40,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 297 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 18:58:40,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-11-18 18:58:40,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 257. [2024-11-18 18:58:40,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 172 states have (on average 1.2790697674418605) internal successors, (220), 172 states have internal predecessors, (220), 80 states have call successors, (80), 4 states have call predecessors, (80), 4 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-18 18:58:40,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 380 transitions. [2024-11-18 18:58:40,776 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 380 transitions. Word has length 137 [2024-11-18 18:58:40,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 18:58:40,777 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 380 transitions. [2024-11-18 18:58:40,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-18 18:58:40,777 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 380 transitions. [2024-11-18 18:58:40,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-18 18:58:40,779 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 18:58:40,779 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 18:58:40,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-18 18:58:40,780 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 18:58:40,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 18:58:40,782 INFO L85 PathProgramCache]: Analyzing trace with hash -20040062, now seen corresponding path program 1 times [2024-11-18 18:58:40,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 18:58:40,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130275228] [2024-11-18 18:58:40,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 18:58:40,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 18:58:40,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 18:58:41,168 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-18 18:58:41,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 18:58:41,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130275228] [2024-11-18 18:58:41,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130275228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 18:58:41,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 18:58:41,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 18:58:41,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616098712] [2024-11-18 18:58:41,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 18:58:41,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 18:58:41,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 18:58:41,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 18:58:41,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 18:58:41,174 INFO L87 Difference]: Start difference. First operand 257 states and 380 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-18 18:58:41,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 18:58:41,518 INFO L93 Difference]: Finished difference Result 661 states and 956 transitions. [2024-11-18 18:58:41,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 18:58:41,519 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 137 [2024-11-18 18:58:41,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 18:58:41,527 INFO L225 Difference]: With dead ends: 661 [2024-11-18 18:58:41,529 INFO L226 Difference]: Without dead ends: 533 [2024-11-18 18:58:41,530 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-18 18:58:41,531 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 108 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-18 18:58:41,532 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 366 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-18 18:58:41,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2024-11-18 18:58:41,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 409. [2024-11-18 18:58:41,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 292 states have (on average 1.3013698630136987) internal successors, (380), 296 states have internal predecessors, (380), 108 states have call successors, (108), 8 states have call predecessors, (108), 8 states have return successors, (108), 104 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-18 18:58:41,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 596 transitions. [2024-11-18 18:58:41,593 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 596 transitions. Word has length 137 [2024-11-18 18:58:41,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 18:58:41,594 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 596 transitions. [2024-11-18 18:58:41,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-18 18:58:41,594 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 596 transitions. [2024-11-18 18:58:41,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-18 18:58:41,596 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 18:58:41,596 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 18:58:41,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-18 18:58:41,597 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 18:58:41,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 18:58:41,598 INFO L85 PathProgramCache]: Analyzing trace with hash 660018308, now seen corresponding path program 1 times [2024-11-18 18:58:41,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 18:58:41,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711380372] [2024-11-18 18:58:41,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 18:58:41,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 18:58:41,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-18 18:58:41,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1323373346] [2024-11-18 18:58:41,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 18:58:41,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 18:58:41,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 18:58:41,673 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 18:58:41,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-18 18:58:41,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 18:58:41,821 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-18 18:58:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 18:58:41,960 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-18 18:58:41,960 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-18 18:58:41,963 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 18:58:41,985 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-18 18:58:42,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 18:58:42,169 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-18 18:58:42,274 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-18 18:58:42,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 06:58:42 BoogieIcfgContainer [2024-11-18 18:58:42,277 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-18 18:58:42,278 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-18 18:58:42,281 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-18 18:58:42,281 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-18 18:58:42,282 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:58:38" (3/4) ... [2024-11-18 18:58:42,285 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-18 18:58:42,286 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-18 18:58:42,287 INFO L158 Benchmark]: Toolchain (without parser) took 5156.05ms. Allocated memory was 157.3MB in the beginning and 216.0MB in the end (delta: 58.7MB). Free memory was 106.7MB in the beginning and 89.9MB in the end (delta: 16.8MB). Peak memory consumption was 76.8MB. Max. memory is 16.1GB. [2024-11-18 18:58:42,288 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 157.3MB. Free memory is still 122.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 18:58:42,288 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.03ms. Allocated memory is still 157.3MB. Free memory was 106.7MB in the beginning and 91.2MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-18 18:58:42,290 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.64ms. Allocated memory is still 157.3MB. Free memory was 91.2MB in the beginning and 87.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-18 18:58:42,290 INFO L158 Benchmark]: Boogie Preprocessor took 84.30ms. Allocated memory is still 157.3MB. Free memory was 87.8MB in the beginning and 84.3MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-18 18:58:42,290 INFO L158 Benchmark]: RCFGBuilder took 565.16ms. Allocated memory is still 157.3MB. Free memory was 84.3MB in the beginning and 63.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-18 18:58:42,291 INFO L158 Benchmark]: TraceAbstraction took 4068.94ms. Allocated memory was 157.3MB in the beginning and 216.0MB in the end (delta: 58.7MB). Free memory was 62.7MB in the beginning and 91.0MB in the end (delta: -28.3MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2024-11-18 18:58:42,291 INFO L158 Benchmark]: Witness Printer took 8.74ms. Allocated memory is still 216.0MB. Free memory was 91.0MB in the beginning and 89.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 18:58:42,292 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 157.3MB. Free memory is still 122.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 336.03ms. Allocated memory is still 157.3MB. Free memory was 106.7MB in the beginning and 91.2MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.64ms. Allocated memory is still 157.3MB. Free memory was 91.2MB in the beginning and 87.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.30ms. Allocated memory is still 157.3MB. Free memory was 87.8MB in the beginning and 84.3MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 565.16ms. Allocated memory is still 157.3MB. Free memory was 84.3MB in the beginning and 63.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 4068.94ms. Allocated memory was 157.3MB in the beginning and 216.0MB in the end (delta: 58.7MB). Free memory was 62.7MB in the beginning and 91.0MB in the end (delta: -28.3MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. * Witness Printer took 8.74ms. Allocated memory is still 216.0MB. Free memory was 91.0MB in the beginning and 89.9MB in the end (delta: 1.0MB). 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 133, overapproximation of someBinaryDOUBLEComparisonOperation at line 133, overapproximation of someUnaryFLOAToperation at line 79, overapproximation of someBinaryArithmeticFLOAToperation at line 79. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_3 = 1; [L24] unsigned char var_1_4 = 0; [L25] unsigned char var_1_5 = 0; [L26] unsigned short int var_1_6 = 25; [L27] double var_1_9 = 999.625; [L28] unsigned short int var_1_11 = 5; [L29] signed short int var_1_12 = 2; [L30] signed long int var_1_13 = -256; [L31] double var_1_14 = 127.75; [L32] double var_1_15 = 9.75; [L33] float var_1_16 = 32.8; [L34] float var_1_17 = 32.5; [L35] float var_1_18 = 1.75; [L36] float var_1_19 = 1000000000000000.4; [L37] float var_1_20 = 0.875; [L38] unsigned char var_1_21 = 0; [L39] unsigned char var_1_22 = 0; [L40] signed short int var_1_23 = 64; [L41] signed short int var_1_24 = 25; [L42] signed short int var_1_25 = 0; [L43] signed short int last_1_var_1_12 = 2; [L44] signed long int last_1_var_1_13 = -256; [L45] double last_1_var_1_14 = 127.75; [L46] unsigned char last_1_var_1_21 = 0; VAL [isInitial=0, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L137] isInitial = 1 [L138] FCALL initially() [L139] COND TRUE 1 [L140] CALL updateLastVariables() [L127] last_1_var_1_12 = var_1_12 [L128] last_1_var_1_13 = var_1_13 [L129] last_1_var_1_14 = var_1_14 [L130] last_1_var_1_21 = var_1_21 VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L140] RET updateLastVariables() [L141] CALL updateVariables() [L92] var_1_3 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_3 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L93] RET assume_abort_if_not(var_1_3 >= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L94] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L94] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L95] var_1_4 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L96] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L97] CALL assume_abort_if_not(var_1_4 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L97] RET assume_abort_if_not(var_1_4 <= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L98] var_1_5 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_5 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25, var_1_9=7997/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25, var_1_9=7997/8] [L99] RET assume_abort_if_not(var_1_5 >= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25, var_1_9=7997/8] [L100] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25, var_1_9=7997/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25, var_1_9=7997/8] [L100] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25, var_1_9=7997/8] [L101] var_1_9 = __VERIFIER_nondet_double() [L102] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L102] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L103] var_1_11 = __VERIFIER_nondet_ushort() [L104] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L104] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L105] CALL assume_abort_if_not(var_1_11 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L105] RET assume_abort_if_not(var_1_11 <= 65534) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L106] var_1_15 = __VERIFIER_nondet_double() [L107] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L107] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L108] var_1_17 = __VERIFIER_nondet_float() [L109] CALL assume_abort_if_not((var_1_17 >= -230584.3009213691390e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 2305843.009213691390e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L109] RET assume_abort_if_not((var_1_17 >= -230584.3009213691390e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 2305843.009213691390e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L110] var_1_18 = __VERIFIER_nondet_float() [L111] CALL assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L111] RET assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L112] var_1_19 = __VERIFIER_nondet_float() [L113] CALL assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L113] RET assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L114] var_1_20 = __VERIFIER_nondet_float() [L115] CALL assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L115] RET assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L116] var_1_22 = __VERIFIER_nondet_uchar() [L117] CALL assume_abort_if_not(var_1_22 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=-255, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=-255, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L117] RET assume_abort_if_not(var_1_22 >= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=-255, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L118] CALL assume_abort_if_not(var_1_22 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=-255, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=-255, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L118] RET assume_abort_if_not(var_1_22 <= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=-255, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L119] var_1_24 = __VERIFIER_nondet_short() [L120] CALL assume_abort_if_not(var_1_24 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=-255, var_1_23=64, var_1_24=-1, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=-255, var_1_23=64, var_1_24=-1, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L120] RET assume_abort_if_not(var_1_24 >= -1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=-255, var_1_23=64, var_1_24=-1, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L121] CALL assume_abort_if_not(var_1_24 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=-255, var_1_23=64, var_1_24=-1, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=-255, var_1_23=64, var_1_24=-1, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L121] RET assume_abort_if_not(var_1_24 <= 32766) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=-255, var_1_23=64, var_1_24=-1, var_1_25=0, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L122] var_1_25 = __VERIFIER_nondet_short() [L123] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=-255, var_1_23=64, var_1_24=-1, var_1_25=255, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=-255, var_1_23=64, var_1_24=-1, var_1_25=255, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L123] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=-255, var_1_23=64, var_1_24=-1, var_1_25=255, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L124] CALL assume_abort_if_not(var_1_25 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=-255, var_1_23=64, var_1_24=-1, var_1_25=255, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=-255, var_1_23=64, var_1_24=-1, var_1_25=255, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L124] RET assume_abort_if_not(var_1_25 <= 32766) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=-255, var_1_23=64, var_1_24=-1, var_1_25=255, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L141] RET updateVariables() [L142] CALL step() [L50] COND FALSE !(\read(last_1_var_1_21)) [L53] var_1_1 = (var_1_3 && var_1_5) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=-255, var_1_23=64, var_1_24=-1, var_1_25=255, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L55] COND TRUE var_1_18 > var_1_9 [L56] var_1_23 = (((((var_1_24 - var_1_25)) > (last_1_var_1_13)) ? ((var_1_24 - var_1_25)) : (last_1_var_1_13))) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=-255, var_1_23=-256, var_1_24=-1, var_1_25=255, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L60] signed long int stepLocal_0 = last_1_var_1_12; VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, stepLocal_0=2, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=-255, var_1_23=-256, var_1_24=-1, var_1_25=255, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L61] COND TRUE last_1_var_1_12 >= stepLocal_0 VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=-255, var_1_23=-256, var_1_24=-1, var_1_25=255, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=25] [L62] COND TRUE (var_1_9 - 1.00000000000025E12) >= last_1_var_1_14 [L63] var_1_6 = 200 VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=-255, var_1_23=-256, var_1_24=-1, var_1_25=255, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=200] [L70] unsigned short int stepLocal_1 = var_1_6; VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, stepLocal_1=200, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=-255, var_1_23=-256, var_1_24=-1, var_1_25=255, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=200] [L71] COND FALSE !(var_1_11 > stepLocal_1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=-255, var_1_23=-256, var_1_24=-1, var_1_25=255, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=200] [L74] EXPR var_1_11 >> var_1_6 VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=-255, var_1_23=-256, var_1_24=-1, var_1_25=255, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=200] [L74] COND TRUE (var_1_12 + var_1_23) < ((var_1_11 >> var_1_6) * var_1_12) [L75] var_1_14 = var_1_15 VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=2, var_1_15=2, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=-255, var_1_23=-256, var_1_24=-1, var_1_25=255, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=200] [L79] var_1_16 = (((((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))) < 0 ) ? -((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))) : ((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))))) [L80] unsigned short int stepLocal_3 = var_1_11; VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, stepLocal_3=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=2, var_1_15=2, var_1_16=3, var_1_1=1, var_1_21=0, var_1_22=-255, var_1_23=-256, var_1_24=-1, var_1_25=255, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=200] [L81] COND FALSE !(stepLocal_3 == var_1_6) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=2, var_1_15=2, var_1_16=3, var_1_1=1, var_1_21=0, var_1_22=-255, var_1_23=-256, var_1_24=-1, var_1_25=255, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=200] [L84] unsigned short int stepLocal_2 = var_1_6; VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, stepLocal_2=200, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=2, var_1_15=2, var_1_16=3, var_1_1=1, var_1_21=0, var_1_22=-255, var_1_23=-256, var_1_24=-1, var_1_25=255, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=200] [L85] COND FALSE !(stepLocal_2 == var_1_12) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=2, var_1_15=2, var_1_16=3, var_1_1=1, var_1_21=0, var_1_22=-255, var_1_23=-256, var_1_24=-1, var_1_25=255, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=200] [L142] RET step() [L143] CALL, EXPR property() [L133] EXPR ((((last_1_var_1_21 ? (var_1_1 == ((unsigned char) ((! var_1_3) || var_1_4))) : (var_1_1 == ((unsigned char) (var_1_3 && var_1_5)))) && ((last_1_var_1_12 >= last_1_var_1_12) ? (((var_1_9 - 1.00000000000025E12) >= last_1_var_1_14) ? (var_1_6 == ((unsigned short int) 200)) : (var_1_6 == ((unsigned short int) var_1_11))) : (var_1_6 == ((unsigned short int) var_1_11)))) && ((var_1_11 > var_1_6) ? (var_1_12 == ((signed short int) 32)) : 1)) && ((var_1_6 == var_1_12) ? ((! var_1_3) ? (var_1_13 == ((signed long int) ((last_1_var_1_13 + var_1_6) + (var_1_11 - var_1_23)))) : 1) : 1)) && (((var_1_12 + var_1_23) < ((var_1_11 >> var_1_6) * var_1_12)) ? (var_1_14 == ((double) var_1_15)) : (var_1_14 == ((double) var_1_15))) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=2, var_1_15=2, var_1_16=3, var_1_1=1, var_1_21=0, var_1_22=-255, var_1_23=-256, var_1_24=-1, var_1_25=255, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=200] [L133-L134] return (((((((last_1_var_1_21 ? (var_1_1 == ((unsigned char) ((! var_1_3) || var_1_4))) : (var_1_1 == ((unsigned char) (var_1_3 && var_1_5)))) && ((last_1_var_1_12 >= last_1_var_1_12) ? (((var_1_9 - 1.00000000000025E12) >= last_1_var_1_14) ? (var_1_6 == ((unsigned short int) 200)) : (var_1_6 == ((unsigned short int) var_1_11))) : (var_1_6 == ((unsigned short int) var_1_11)))) && ((var_1_11 > var_1_6) ? (var_1_12 == ((signed short int) 32)) : 1)) && ((var_1_6 == var_1_12) ? ((! var_1_3) ? (var_1_13 == ((signed long int) ((last_1_var_1_13 + var_1_6) + (var_1_11 - var_1_23)))) : 1) : 1)) && (((var_1_12 + var_1_23) < ((var_1_11 >> var_1_6) * var_1_12)) ? (var_1_14 == ((double) var_1_15)) : (var_1_14 == ((double) var_1_15)))) && (var_1_16 == ((float) (((((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))) < 0 ) ? -((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))) : ((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20))))))))) && ((var_1_11 == var_1_6) ? (var_1_21 == ((unsigned char) ((var_1_5 || var_1_3) && (var_1_1 || var_1_22)))) : 1)) && ((var_1_18 > var_1_9) ? (var_1_23 == ((signed short int) (((((var_1_24 - var_1_25)) > (last_1_var_1_13)) ? ((var_1_24 - var_1_25)) : (last_1_var_1_13))))) : (var_1_23 == ((signed short int) (last_1_var_1_13 + 1)))) ; [L143] RET, EXPR property() [L143] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=2, var_1_15=2, var_1_16=3, var_1_1=1, var_1_21=0, var_1_22=-255, var_1_23=-256, var_1_24=-1, var_1_25=255, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=200] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=2, var_1_15=2, var_1_16=3, var_1_1=1, var_1_21=0, var_1_22=-255, var_1_23=-256, var_1_24=-1, var_1_25=255, var_1_3=-255, var_1_4=0, var_1_5=-255, var_1_6=200] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 5, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 323 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 323 mSDsluCounter, 1079 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 670 mSDsCounter, 151 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 210 IncrementalHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 151 mSolverCounterUnsat, 409 mSDtfsCounter, 210 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 162 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=409occurred in iteration=4, InterpolantAutomatonStates: 16, 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, 4 MinimizatonAttempts, 176 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 956 NumberOfCodeBlocks, 956 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 677 ConstructedInterpolants, 0 QuantifiedInterpolants, 1152 SizeOfPredicates, 0 NumberOfNonLiveVariables, 326 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 3762/3800 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 [2024-11-18 18:58:42,330 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-35.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 f559001327fd9c83eb4d1ac9d6d7f88804c49729dc4f0a7e747db368444227d5 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 18:58:44,669 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 18:58:44,759 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-18 18:58:44,765 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 18:58:44,766 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 18:58:44,794 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 18:58:44,795 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 18:58:44,796 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 18:58:44,797 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 18:58:44,798 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 18:58:44,798 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 18:58:44,798 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 18:58:44,799 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 18:58:44,799 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 18:58:44,800 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 18:58:44,800 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 18:58:44,800 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 18:58:44,800 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 18:58:44,801 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 18:58:44,801 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 18:58:44,802 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 18:58:44,803 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 18:58:44,803 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 18:58:44,804 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-18 18:58:44,807 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-18 18:58:44,808 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 18:58:44,808 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-18 18:58:44,808 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 18:58:44,809 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 18:58:44,809 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 18:58:44,809 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 18:58:44,809 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 18:58:44,809 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 18:58:44,810 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 18:58:44,810 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 18:58:44,810 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 18:58:44,810 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 18:58:44,811 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 18:58:44,811 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-18 18:58:44,811 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-18 18:58:44,811 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 18:58:44,812 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 18:58:44,813 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 18:58:44,813 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 18:58:44,813 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f559001327fd9c83eb4d1ac9d6d7f88804c49729dc4f0a7e747db368444227d5 [2024-11-18 18:58:45,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 18:58:45,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 18:58:45,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 18:58:45,187 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 18:58:45,188 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 18:58:45,190 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-35.i [2024-11-18 18:58:46,762 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 18:58:46,998 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 18:58:47,003 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-35.i [2024-11-18 18:58:47,017 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74e6e6fa4/f161261f7d984aafbe0dc09047e7b656/FLAGbf6082be2 [2024-11-18 18:58:47,041 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74e6e6fa4/f161261f7d984aafbe0dc09047e7b656 [2024-11-18 18:58:47,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 18:58:47,046 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 18:58:47,049 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 18:58:47,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 18:58:47,066 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 18:58:47,066 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:58:47" (1/1) ... [2024-11-18 18:58:47,069 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6897c376 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:58:47, skipping insertion in model container [2024-11-18 18:58:47,069 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:58:47" (1/1) ... [2024-11-18 18:58:47,099 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 18:58:47,285 WARN L250 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_fillercode_fillercodesize_normal_file-35.i[913,926] [2024-11-18 18:58:47,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 18:58:47,384 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 18:58:47,399 WARN L250 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_fillercode_fillercodesize_normal_file-35.i[913,926] [2024-11-18 18:58:47,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 18:58:47,477 INFO L204 MainTranslator]: Completed translation [2024-11-18 18:58:47,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:58:47 WrapperNode [2024-11-18 18:58:47,478 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 18:58:47,479 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 18:58:47,479 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 18:58:47,479 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 18:58:47,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:58:47" (1/1) ... [2024-11-18 18:58:47,507 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:58:47" (1/1) ... [2024-11-18 18:58:47,537 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 148 [2024-11-18 18:58:47,537 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 18:58:47,538 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 18:58:47,538 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 18:58:47,538 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 18:58:47,550 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:58:47" (1/1) ... [2024-11-18 18:58:47,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:58:47" (1/1) ... [2024-11-18 18:58:47,554 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:58:47" (1/1) ... [2024-11-18 18:58:47,568 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-18 18:58:47,568 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:58:47" (1/1) ... [2024-11-18 18:58:47,569 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:58:47" (1/1) ... [2024-11-18 18:58:47,577 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:58:47" (1/1) ... [2024-11-18 18:58:47,581 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:58:47" (1/1) ... [2024-11-18 18:58:47,583 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:58:47" (1/1) ... [2024-11-18 18:58:47,585 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:58:47" (1/1) ... [2024-11-18 18:58:47,589 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 18:58:47,590 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 18:58:47,590 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 18:58:47,590 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 18:58:47,591 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:58:47" (1/1) ... [2024-11-18 18:58:47,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 18:58:47,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 18:58:47,642 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-18 18:58:47,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-18 18:58:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 18:58:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-18 18:58:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 18:58:47,695 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 18:58:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 18:58:47,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 18:58:47,794 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 18:58:47,797 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 18:58:50,122 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-18 18:58:50,123 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 18:58:50,137 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 18:58:50,137 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 18:58:50,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:58:50 BoogieIcfgContainer [2024-11-18 18:58:50,138 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 18:58:50,139 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 18:58:50,139 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 18:58:50,143 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 18:58:50,144 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:58:47" (1/3) ... [2024-11-18 18:58:50,145 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61bdeae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:58:50, skipping insertion in model container [2024-11-18 18:58:50,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:58:47" (2/3) ... [2024-11-18 18:58:50,145 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61bdeae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:58:50, skipping insertion in model container [2024-11-18 18:58:50,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:58:50" (3/3) ... [2024-11-18 18:58:50,146 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-35.i [2024-11-18 18:58:50,164 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 18:58:50,165 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 18:58:50,225 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 18:58:50,235 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;@700139b2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 18:58:50,236 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 18:58:50,241 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 43 states have internal predecessors, (56), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-18 18:58:50,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-18 18:58:50,258 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 18:58:50,259 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 18:58:50,259 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 18:58:50,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 18:58:50,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1356511946, now seen corresponding path program 1 times [2024-11-18 18:58:50,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 18:58:50,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [527558358] [2024-11-18 18:58:50,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 18:58:50,283 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 [2024-11-18 18:58:50,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 18:58:50,287 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) [2024-11-18 18:58:50,289 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 [2024-11-18 18:58:50,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 18:58:50,680 INFO L255 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 18:58:50,690 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 18:58:50,737 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 350 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-11-18 18:58:50,738 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 18:58:50,739 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 18:58:50,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [527558358] [2024-11-18 18:58:50,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [527558358] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 18:58:50,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 18:58:50,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-18 18:58:50,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824587262] [2024-11-18 18:58:50,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 18:58:50,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 18:58:50,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 18:58:50,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 18:58:50,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 18:58:50,776 INFO L87 Difference]: Start difference. First operand has 65 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 43 states have internal predecessors, (56), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-18 18:58:50,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 18:58:50,811 INFO L93 Difference]: Finished difference Result 123 states and 206 transitions. [2024-11-18 18:58:50,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 18:58:50,814 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 133 [2024-11-18 18:58:50,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 18:58:50,823 INFO L225 Difference]: With dead ends: 123 [2024-11-18 18:58:50,824 INFO L226 Difference]: Without dead ends: 61 [2024-11-18 18:58:50,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 18:58:50,834 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 18:58:50,835 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 18:58:50,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-18 18:58:50,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-11-18 18:58:50,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 39 states have internal predecessors, (49), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-18 18:58:50,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 89 transitions. [2024-11-18 18:58:50,899 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 89 transitions. Word has length 133 [2024-11-18 18:58:50,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 18:58:50,900 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 89 transitions. [2024-11-18 18:58:50,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-18 18:58:50,901 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 89 transitions. [2024-11-18 18:58:50,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-18 18:58:50,907 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 18:58:50,908 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 18:58:50,922 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 [2024-11-18 18:58:51,108 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 [2024-11-18 18:58:51,109 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 18:58:51,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 18:58:51,110 INFO L85 PathProgramCache]: Analyzing trace with hash 891208642, now seen corresponding path program 1 times [2024-11-18 18:58:51,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 18:58:51,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [215085178] [2024-11-18 18:58:51,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 18:58:51,112 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 [2024-11-18 18:58:51,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 18:58:51,115 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) [2024-11-18 18:58:51,121 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 [2024-11-18 18:58:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 18:58:51,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-18 18:58:51,457 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 18:58:52,188 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-18 18:58:52,188 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 18:58:52,188 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 18:58:52,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [215085178] [2024-11-18 18:58:52,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [215085178] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 18:58:52,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 18:58:52,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 18:58:52,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756550279] [2024-11-18 18:58:52,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 18:58:52,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 18:58:52,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 18:58:52,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 18:58:52,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 18:58:52,195 INFO L87 Difference]: Start difference. First operand 61 states and 89 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-18 18:58:54,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-18 18:58:56,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-18 18:58:56,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 18:58:56,273 INFO L93 Difference]: Finished difference Result 196 states and 288 transitions. [2024-11-18 18:58:56,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 18:58:56,291 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 133 [2024-11-18 18:58:56,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 18:58:56,293 INFO L225 Difference]: With dead ends: 196 [2024-11-18 18:58:56,294 INFO L226 Difference]: Without dead ends: 138 [2024-11-18 18:58:56,295 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-18 18:58:56,296 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 88 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-18 18:58:56,297 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 275 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-18 18:58:56,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-18 18:58:56,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 117. [2024-11-18 18:58:56,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 74 states have (on average 1.2567567567567568) internal successors, (93), 74 states have internal predecessors, (93), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-18 18:58:56,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 173 transitions. [2024-11-18 18:58:56,338 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 173 transitions. Word has length 133 [2024-11-18 18:58:56,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 18:58:56,338 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 173 transitions. [2024-11-18 18:58:56,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-18 18:58:56,339 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 173 transitions. [2024-11-18 18:58:56,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-18 18:58:56,341 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 18:58:56,342 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 18:58:56,354 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 [2024-11-18 18:58:56,542 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 [2024-11-18 18:58:56,543 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 18:58:56,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 18:58:56,543 INFO L85 PathProgramCache]: Analyzing trace with hash -388655036, now seen corresponding path program 1 times [2024-11-18 18:58:56,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 18:58:56,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [974903223] [2024-11-18 18:58:56,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 18:58:56,545 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 [2024-11-18 18:58:56,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 18:58:56,546 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) [2024-11-18 18:58:56,547 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 [2024-11-18 18:58:56,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 18:58:56,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-18 18:58:56,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 18:58:57,528 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-18 18:58:57,529 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 18:58:57,529 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 18:58:57,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [974903223] [2024-11-18 18:58:57,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [974903223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 18:58:57,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 18:58:57,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 18:58:57,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941226971] [2024-11-18 18:58:57,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 18:58:57,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 18:58:57,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 18:58:57,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 18:58:57,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-18 18:58:57,532 INFO L87 Difference]: Start difference. First operand 117 states and 173 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-18 18:58:59,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-18 18:59:00,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 18:59:00,660 INFO L93 Difference]: Finished difference Result 369 states and 546 transitions. [2024-11-18 18:59:00,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 18:59:00,677 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 133 [2024-11-18 18:59:00,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 18:59:00,681 INFO L225 Difference]: With dead ends: 369 [2024-11-18 18:59:00,681 INFO L226 Difference]: Without dead ends: 255 [2024-11-18 18:59:00,683 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-18 18:59:00,684 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 86 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-18 18:59:00,684 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 279 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-18 18:59:00,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-11-18 18:59:00,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 229. [2024-11-18 18:59:00,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 144 states have (on average 1.25) internal successors, (180), 144 states have internal predecessors, (180), 80 states have call successors, (80), 4 states have call predecessors, (80), 4 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-18 18:59:00,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 340 transitions. [2024-11-18 18:59:00,724 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 340 transitions. Word has length 133 [2024-11-18 18:59:00,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 18:59:00,725 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 340 transitions. [2024-11-18 18:59:00,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-18 18:59:00,725 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 340 transitions. [2024-11-18 18:59:00,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-18 18:59:00,727 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 18:59:00,727 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 18:59:00,743 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 (4)] Ended with exit code 0 [2024-11-18 18:59:00,928 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 [2024-11-18 18:59:00,929 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 18:59:00,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 18:59:00,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1595659026, now seen corresponding path program 1 times [2024-11-18 18:59:00,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 18:59:00,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [571412692] [2024-11-18 18:59:00,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 18:59:00,930 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 [2024-11-18 18:59:00,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 18:59:00,933 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) [2024-11-18 18:59:00,936 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 [2024-11-18 18:59:01,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 18:59:01,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-18 18:59:01,254 INFO L278 TraceCheckSpWp]: Computing forward predicates...