./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-22.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-22.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 101fbb34b2498d242822fcc62430a6f25e55677b94935955c435faee9e4e1497 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 01:32:51,766 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 01:32:51,833 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-06 01:32:51,838 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 01:32:51,838 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 01:32:51,866 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 01:32:51,867 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 01:32:51,867 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 01:32:51,867 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 01:32:51,868 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 01:32:51,869 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 01:32:51,869 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 01:32:51,869 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 01:32:51,870 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 01:32:51,870 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 01:32:51,870 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 01:32:51,871 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 01:32:51,871 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 01:32:51,871 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 01:32:51,871 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 01:32:51,871 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 01:32:51,871 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 01:32:51,871 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 01:32:51,871 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 01:32:51,871 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 01:32:51,871 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 01:32:51,872 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 01:32:51,872 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 01:32:51,872 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 01:32:51,872 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 01:32:51,872 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 01:32:51,872 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 01:32:51,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 01:32:51,873 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 01:32:51,873 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 01:32:51,873 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 01:32:51,873 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 01:32:51,873 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 01:32:51,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 01:32:51,873 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 01:32:51,874 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 01:32:51,874 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 01:32:51,874 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 01:32:51,874 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 101fbb34b2498d242822fcc62430a6f25e55677b94935955c435faee9e4e1497 [2025-02-06 01:32:52,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 01:32:52,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 01:32:52,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 01:32:52,160 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 01:32:52,160 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 01:32:52,161 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-22.i [2025-02-06 01:32:53,489 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e2ff6ae21/8deba27b89c645e0b9d5c80772e016ca/FLAG0162e06ee [2025-02-06 01:32:53,873 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 01:32:53,874 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-22.i [2025-02-06 01:32:53,883 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e2ff6ae21/8deba27b89c645e0b9d5c80772e016ca/FLAG0162e06ee [2025-02-06 01:32:53,904 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e2ff6ae21/8deba27b89c645e0b9d5c80772e016ca [2025-02-06 01:32:53,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 01:32:53,909 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 01:32:53,912 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 01:32:53,912 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 01:32:53,916 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 01:32:53,917 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:32:53" (1/1) ... [2025-02-06 01:32:53,919 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f4366b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:32:53, skipping insertion in model container [2025-02-06 01:32:53,919 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:32:53" (1/1) ... [2025-02-06 01:32:53,939 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 01:32:54,073 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-22.i[915,928] [2025-02-06 01:32:54,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 01:32:54,169 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 01:32:54,178 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-22.i[915,928] [2025-02-06 01:32:54,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 01:32:54,238 INFO L204 MainTranslator]: Completed translation [2025-02-06 01:32:54,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:32:54 WrapperNode [2025-02-06 01:32:54,239 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 01:32:54,240 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 01:32:54,240 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 01:32:54,240 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 01:32:54,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:32:54" (1/1) ... [2025-02-06 01:32:54,260 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:32:54" (1/1) ... [2025-02-06 01:32:54,302 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 166 [2025-02-06 01:32:54,302 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 01:32:54,303 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 01:32:54,303 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 01:32:54,304 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 01:32:54,311 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:32:54" (1/1) ... [2025-02-06 01:32:54,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:32:54" (1/1) ... [2025-02-06 01:32:54,317 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:32:54" (1/1) ... [2025-02-06 01:32:54,344 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]. [2025-02-06 01:32:54,344 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:32:54" (1/1) ... [2025-02-06 01:32:54,345 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:32:54" (1/1) ... [2025-02-06 01:32:54,352 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:32:54" (1/1) ... [2025-02-06 01:32:54,354 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:32:54" (1/1) ... [2025-02-06 01:32:54,356 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:32:54" (1/1) ... [2025-02-06 01:32:54,357 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:32:54" (1/1) ... [2025-02-06 01:32:54,360 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 01:32:54,361 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 01:32:54,361 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 01:32:54,361 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 01:32:54,362 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:32:54" (1/1) ... [2025-02-06 01:32:54,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 01:32:54,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 01:32:54,393 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 01:32:54,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 01:32:54,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 01:32:54,419 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 01:32:54,420 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 01:32:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 01:32:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 01:32:54,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 01:32:54,495 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 01:32:54,497 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 01:32:54,810 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L129: havoc property_#t~bitwise18#1;havoc property_#t~short19#1; [2025-02-06 01:32:54,848 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2025-02-06 01:32:54,848 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 01:32:54,867 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 01:32:54,870 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 01:32:54,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:32:54 BoogieIcfgContainer [2025-02-06 01:32:54,870 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 01:32:54,873 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 01:32:54,873 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 01:32:54,877 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 01:32:54,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 01:32:53" (1/3) ... [2025-02-06 01:32:54,879 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a6b22f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:32:54, skipping insertion in model container [2025-02-06 01:32:54,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:32:54" (2/3) ... [2025-02-06 01:32:54,880 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a6b22f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:32:54, skipping insertion in model container [2025-02-06 01:32:54,880 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:32:54" (3/3) ... [2025-02-06 01:32:54,881 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-22.i [2025-02-06 01:32:54,894 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 01:32:54,896 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-1loop_file-22.i that has 2 procedures, 72 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 01:32:54,951 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 01:32:54,960 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;@35020d94, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 01:32:54,961 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 01:32:54,966 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 46 states have (on average 1.326086956521739) internal successors, (61), 47 states have internal predecessors, (61), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-06 01:32:54,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2025-02-06 01:32:54,976 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 01:32:54,977 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 01:32:54,978 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 01:32:54,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 01:32:54,982 INFO L85 PathProgramCache]: Analyzing trace with hash 682162635, now seen corresponding path program 1 times [2025-02-06 01:32:54,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 01:32:54,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238420786] [2025-02-06 01:32:54,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 01:32:54,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 01:32:55,074 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 151 statements into 1 equivalence classes. [2025-02-06 01:32:55,102 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 151 of 151 statements. [2025-02-06 01:32:55,103 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 01:32:55,103 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 01:32:55,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2025-02-06 01:32:55,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 01:32:55,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238420786] [2025-02-06 01:32:55,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238420786] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 01:32:55,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [114994438] [2025-02-06 01:32:55,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 01:32:55,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 01:32:55,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 01:32:55,320 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 01:32:55,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 01:32:55,417 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 151 statements into 1 equivalence classes. [2025-02-06 01:32:55,505 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 151 of 151 statements. [2025-02-06 01:32:55,505 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 01:32:55,505 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 01:32:55,508 INFO L256 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 01:32:55,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 01:32:55,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2025-02-06 01:32:55,559 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 01:32:55,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [114994438] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 01:32:55,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 01:32:55,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 01:32:55,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3291499] [2025-02-06 01:32:55,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 01:32:55,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 01:32:55,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 01:32:55,583 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 01:32:55,584 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 01:32:55,586 INFO L87 Difference]: Start difference. First operand has 72 states, 46 states have (on average 1.326086956521739) internal successors, (61), 47 states have internal predecessors, (61), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) 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, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2025-02-06 01:32:55,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 01:32:55,620 INFO L93 Difference]: Finished difference Result 141 states and 234 transitions. [2025-02-06 01:32:55,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 01:32:55,622 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, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 151 [2025-02-06 01:32:55,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 01:32:55,627 INFO L225 Difference]: With dead ends: 141 [2025-02-06 01:32:55,628 INFO L226 Difference]: Without dead ends: 69 [2025-02-06 01:32:55,631 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 01:32:55,633 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 01:32:55,633 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 102 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 01:32:55,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2025-02-06 01:32:55,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2025-02-06 01:32:55,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 44 states have (on average 1.25) internal successors, (55), 44 states have internal predecessors, (55), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-06 01:32:55,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 101 transitions. [2025-02-06 01:32:55,672 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 101 transitions. Word has length 151 [2025-02-06 01:32:55,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 01:32:55,673 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 101 transitions. [2025-02-06 01:32:55,673 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, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2025-02-06 01:32:55,673 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 101 transitions. [2025-02-06 01:32:55,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2025-02-06 01:32:55,678 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 01:32:55,678 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 01:32:55,688 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-06 01:32:55,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-06 01:32:55,883 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 01:32:55,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 01:32:55,884 INFO L85 PathProgramCache]: Analyzing trace with hash 473576717, now seen corresponding path program 1 times [2025-02-06 01:32:55,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 01:32:55,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494455260] [2025-02-06 01:32:55,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 01:32:55,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 01:32:55,914 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 151 statements into 1 equivalence classes. [2025-02-06 01:32:55,994 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 151 of 151 statements. [2025-02-06 01:32:55,994 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 01:32:55,994 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 01:32:56,522 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2025-02-06 01:32:56,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 01:32:56,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494455260] [2025-02-06 01:32:56,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494455260] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 01:32:56,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 01:32:56,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 01:32:56,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248460432] [2025-02-06 01:32:56,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 01:32:56,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 01:32:56,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 01:32:56,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 01:32:56,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 01:32:56,526 INFO L87 Difference]: Start difference. First operand 69 states and 101 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2025-02-06 01:32:56,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 01:32:56,691 INFO L93 Difference]: Finished difference Result 135 states and 199 transitions. [2025-02-06 01:32:56,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 01:32:56,694 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 151 [2025-02-06 01:32:56,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 01:32:56,696 INFO L225 Difference]: With dead ends: 135 [2025-02-06 01:32:56,698 INFO L226 Difference]: Without dead ends: 69 [2025-02-06 01:32:56,699 INFO L434 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 [2025-02-06 01:32:56,699 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 88 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 01:32:56,700 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 94 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 01:32:56,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2025-02-06 01:32:56,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2025-02-06 01:32:56,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 44 states have (on average 1.2272727272727273) internal successors, (54), 44 states have internal predecessors, (54), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-06 01:32:56,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 100 transitions. [2025-02-06 01:32:56,721 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 100 transitions. Word has length 151 [2025-02-06 01:32:56,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 01:32:56,722 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 100 transitions. [2025-02-06 01:32:56,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2025-02-06 01:32:56,723 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 100 transitions. [2025-02-06 01:32:56,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2025-02-06 01:32:56,724 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 01:32:56,724 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 01:32:56,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 01:32:56,725 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 01:32:56,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 01:32:56,725 INFO L85 PathProgramCache]: Analyzing trace with hash -523495636, now seen corresponding path program 1 times [2025-02-06 01:32:56,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 01:32:56,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615612085] [2025-02-06 01:32:56,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 01:32:56,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 01:32:56,745 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 151 statements into 1 equivalence classes. [2025-02-06 01:32:56,881 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 151 of 151 statements. [2025-02-06 01:32:56,882 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 01:32:56,882 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 01:32:57,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 12 proven. 54 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2025-02-06 01:32:57,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 01:32:57,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615612085] [2025-02-06 01:32:57,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615612085] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 01:32:57,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1120942576] [2025-02-06 01:32:57,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 01:32:57,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 01:32:57,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 01:32:57,378 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 01:32:57,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 01:32:57,448 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 151 statements into 1 equivalence classes. [2025-02-06 01:32:57,512 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 151 of 151 statements. [2025-02-06 01:32:57,512 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 01:32:57,512 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 01:32:57,515 INFO L256 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 01:32:57,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 01:32:58,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 651 proven. 66 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2025-02-06 01:32:58,096 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 01:32:58,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 60 proven. 69 refuted. 0 times theorem prover too weak. 883 trivial. 0 not checked. [2025-02-06 01:32:58,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1120942576] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 01:32:58,609 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 01:32:58,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 20 [2025-02-06 01:32:58,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948256431] [2025-02-06 01:32:58,610 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 01:32:58,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-02-06 01:32:58,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 01:32:58,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-02-06 01:32:58,612 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2025-02-06 01:32:58,613 INFO L87 Difference]: Start difference. First operand 69 states and 100 transitions. Second operand has 20 states, 20 states have (on average 5.3) internal successors, (106), 20 states have internal predecessors, (106), 7 states have call successors, (63), 3 states have call predecessors, (63), 7 states have return successors, (64), 7 states have call predecessors, (64), 7 states have call successors, (64) [2025-02-06 01:32:59,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 01:32:59,839 INFO L93 Difference]: Finished difference Result 232 states and 320 transitions. [2025-02-06 01:32:59,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-02-06 01:32:59,839 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 5.3) internal successors, (106), 20 states have internal predecessors, (106), 7 states have call successors, (63), 3 states have call predecessors, (63), 7 states have return successors, (64), 7 states have call predecessors, (64), 7 states have call successors, (64) Word has length 151 [2025-02-06 01:32:59,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 01:32:59,842 INFO L225 Difference]: With dead ends: 232 [2025-02-06 01:32:59,842 INFO L226 Difference]: Without dead ends: 166 [2025-02-06 01:32:59,845 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 453 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=503, Invalid=1659, Unknown=0, NotChecked=0, Total=2162 [2025-02-06 01:32:59,846 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 265 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 01:32:59,846 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 420 Invalid, 741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 01:32:59,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2025-02-06 01:32:59,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 140. [2025-02-06 01:32:59,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 86 states have (on average 1.1395348837209303) internal successors, (98), 86 states have internal predecessors, (98), 46 states have call successors, (46), 7 states have call predecessors, (46), 7 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-02-06 01:32:59,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 190 transitions. [2025-02-06 01:32:59,893 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 190 transitions. Word has length 151 [2025-02-06 01:32:59,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 01:32:59,894 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 190 transitions. [2025-02-06 01:32:59,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.3) internal successors, (106), 20 states have internal predecessors, (106), 7 states have call successors, (63), 3 states have call predecessors, (63), 7 states have return successors, (64), 7 states have call predecessors, (64), 7 states have call successors, (64) [2025-02-06 01:32:59,895 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 190 transitions. [2025-02-06 01:32:59,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2025-02-06 01:32:59,899 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 01:32:59,899 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 01:32:59,907 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-06 01:33:00,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 01:33:00,100 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 01:33:00,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 01:33:00,101 INFO L85 PathProgramCache]: Analyzing trace with hash 167065838, now seen corresponding path program 1 times [2025-02-06 01:33:00,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 01:33:00,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139879112] [2025-02-06 01:33:00,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 01:33:00,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 01:33:00,118 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 151 statements into 1 equivalence classes. [2025-02-06 01:33:00,210 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 151 of 151 statements. [2025-02-06 01:33:00,210 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 01:33:00,210 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 01:33:00,210 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 01:33:00,216 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 151 statements into 1 equivalence classes. [2025-02-06 01:33:00,300 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 151 of 151 statements. [2025-02-06 01:33:00,301 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 01:33:00,301 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 01:33:00,384 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 01:33:00,384 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-06 01:33:00,385 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-06 01:33:00,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 01:33:00,391 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-02-06 01:33:00,512 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 01:33:00,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 01:33:00 BoogieIcfgContainer [2025-02-06 01:33:00,517 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 01:33:00,517 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 01:33:00,518 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 01:33:00,518 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 01:33:00,519 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:32:54" (3/4) ... [2025-02-06 01:33:00,520 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-06 01:33:00,521 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 01:33:00,522 INFO L158 Benchmark]: Toolchain (without parser) took 6612.37ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 106.5MB in the beginning and 275.3MB in the end (delta: -168.8MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2025-02-06 01:33:00,522 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 128.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 01:33:00,523 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.87ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 91.3MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 01:33:00,523 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.30ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 87.8MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 01:33:00,524 INFO L158 Benchmark]: Boogie Preprocessor took 56.82ms. Allocated memory is still 142.6MB. Free memory was 87.8MB in the beginning and 81.3MB in the end (delta: 6.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 01:33:00,524 INFO L158 Benchmark]: IcfgBuilder took 509.77ms. Allocated memory is still 142.6MB. Free memory was 81.3MB in the beginning and 57.1MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-06 01:33:00,524 INFO L158 Benchmark]: TraceAbstraction took 5644.22ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 56.4MB in the beginning and 275.4MB in the end (delta: -219.0MB). Peak memory consumption was 139.2MB. Max. memory is 16.1GB. [2025-02-06 01:33:00,525 INFO L158 Benchmark]: Witness Printer took 3.61ms. Allocated memory is still 327.2MB. Free memory was 275.4MB in the beginning and 275.3MB in the end (delta: 101.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 01:33:00,526 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 128.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.87ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 91.3MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.30ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 87.8MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 56.82ms. Allocated memory is still 142.6MB. Free memory was 87.8MB in the beginning and 81.3MB in the end (delta: 6.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 509.77ms. Allocated memory is still 142.6MB. Free memory was 81.3MB in the beginning and 57.1MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 5644.22ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 56.4MB in the beginning and 275.4MB in the end (delta: -219.0MB). Peak memory consumption was 139.2MB. Max. memory is 16.1GB. * Witness Printer took 3.61ms. Allocated memory is still 327.2MB. Free memory was 275.4MB in the beginning and 275.3MB in the end (delta: 101.6kB). 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 someBinaryDOUBLEComparisonOperation at line 53, overapproximation of someBinaryDOUBLEComparisonOperation at line 129, overapproximation of someBinaryDOUBLEComparisonOperation at line 115, overapproximation of someBinaryDOUBLEComparisonOperation at line 129, overapproximation of someBinaryDOUBLEComparisonOperation at line 77, overapproximation of someBinaryDOUBLEComparisonOperation at line 82, overapproximation of someBinaryDOUBLEComparisonOperation at line 117, overapproximation of someBinaryDOUBLEComparisonOperation at line 110, overapproximation of someBinaryDOUBLEComparisonOperation at line 119, overapproximation of someBinaryDOUBLEComparisonOperation at line 109. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 128; [L23] unsigned short int var_1_4 = 256; [L24] unsigned short int var_1_6 = 10000; [L25] unsigned short int var_1_7 = 10000; [L26] unsigned short int var_1_8 = 128; [L27] unsigned short int var_1_9 = 8; [L28] unsigned char var_1_10 = 100; [L29] unsigned char var_1_11 = 64; [L30] unsigned char var_1_12 = 16; [L31] unsigned short int var_1_13 = 256; [L32] unsigned short int var_1_17 = 4; [L33] double var_1_18 = 64.2; [L34] unsigned short int var_1_19 = 53045; [L35] double var_1_20 = 1.75; [L36] double var_1_21 = 50.35; [L37] double var_1_22 = 5.5; [L38] double var_1_23 = 7.125; [L39] unsigned long int var_1_24 = 50; [L40] unsigned long int var_1_25 = 1907531378; [L41] unsigned long int var_1_26 = 8; [L42] unsigned char var_1_27 = 0; [L43] unsigned long int last_1_var_1_24 = 50; [L44] unsigned char last_1_var_1_27 = 0; VAL [isInitial=0, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=256, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L133] isInitial = 1 [L134] FCALL initially() [L135] int k_loop; [L136] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=256, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L136] COND TRUE k_loop < 1 [L137] CALL updateLastVariables() [L125] last_1_var_1_24 = var_1_24 [L126] last_1_var_1_27 = var_1_27 VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=256, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L137] RET updateLastVariables() [L138] CALL updateVariables() [L87] var_1_4 = __VERIFIER_nondet_ushort() [L88] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L88] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L89] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L89] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L90] var_1_6 = __VERIFIER_nondet_ushort() [L91] CALL assume_abort_if_not(var_1_6 >= 8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=10000, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=10000, var_1_8=128, var_1_9=8] [L91] RET assume_abort_if_not(var_1_6 >= 8191) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=10000, var_1_8=128, var_1_9=8] [L92] CALL assume_abort_if_not(var_1_6 <= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=10000, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=10000, var_1_8=128, var_1_9=8] [L92] RET assume_abort_if_not(var_1_6 <= 16384) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=10000, var_1_8=128, var_1_9=8] [L93] var_1_7 = __VERIFIER_nondet_ushort() [L94] CALL assume_abort_if_not(var_1_7 >= 8192) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=128, var_1_9=8] [L94] RET assume_abort_if_not(var_1_7 >= 8192) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=128, var_1_9=8] [L95] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=128, var_1_9=8] [L95] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=128, var_1_9=8] [L96] var_1_8 = __VERIFIER_nondet_ushort() [L97] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_9=8] [L97] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_9=8] [L98] CALL assume_abort_if_not(var_1_8 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=8] [L98] RET assume_abort_if_not(var_1_8 <= 16383) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=8] [L99] var_1_9 = __VERIFIER_nondet_ushort() [L100] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383] [L100] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383] [L101] CALL assume_abort_if_not(var_1_9 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L101] RET assume_abort_if_not(var_1_9 <= 32767) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L102] var_1_11 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L103] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L104] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=1, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=1, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L104] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=1, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L105] var_1_12 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=1, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=1, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L106] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=1, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L107] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=1, var_1_12=7, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=1, var_1_12=7, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L107] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=1, var_1_12=7, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L108] var_1_18 = __VERIFIER_nondet_double() [L109] CALL assume_abort_if_not((var_1_18 >= -922337.2036854776000e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854776000e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=1, var_1_12=7, var_1_13=256, var_1_17=4, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=1, var_1_12=7, var_1_13=256, var_1_17=4, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L109] RET assume_abort_if_not((var_1_18 >= -922337.2036854776000e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854776000e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=1, var_1_12=7, var_1_13=256, var_1_17=4, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L110] CALL assume_abort_if_not(var_1_18 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=1, var_1_12=7, var_1_13=256, var_1_17=4, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=1, var_1_12=7, var_1_13=256, var_1_17=4, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L110] RET assume_abort_if_not(var_1_18 != 0.0F) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=1, var_1_12=7, var_1_13=256, var_1_17=4, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L111] var_1_19 = __VERIFIER_nondet_ushort() [L112] CALL assume_abort_if_not(var_1_19 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=1, var_1_12=7, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=1, var_1_12=7, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L112] RET assume_abort_if_not(var_1_19 >= 49150) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=1, var_1_12=7, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L113] CALL assume_abort_if_not(var_1_19 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=1, var_1_12=7, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=1, var_1_12=7, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L113] RET assume_abort_if_not(var_1_19 <= 65534) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=1, var_1_12=7, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L114] var_1_21 = __VERIFIER_nondet_double() [L115] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=1, var_1_12=7, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=1, var_1_12=7, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L115] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=1, var_1_12=7, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L116] var_1_22 = __VERIFIER_nondet_double() [L117] CALL assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=1, var_1_12=7, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=1, var_1_12=7, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L117] RET assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=1, var_1_12=7, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L118] var_1_23 = __VERIFIER_nondet_double() [L119] CALL assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=1, var_1_12=7, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=1, var_1_12=7, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L119] RET assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=1, var_1_12=7, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L120] var_1_25 = __VERIFIER_nondet_ulong() [L121] CALL assume_abort_if_not(var_1_25 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=1, var_1_12=7, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=1, var_1_12=7, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L121] RET assume_abort_if_not(var_1_25 >= 1073741823) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=1, var_1_12=7, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L122] CALL assume_abort_if_not(var_1_25 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=1, var_1_12=7, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=1, var_1_12=7, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L122] RET assume_abort_if_not(var_1_25 <= 2147483647) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=1, var_1_12=7, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L138] RET updateVariables() [L139] CALL step() [L48] COND FALSE !(\read(last_1_var_1_27)) [L51] var_1_20 = var_1_22 VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=1, var_1_12=7, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=1907531383, var_1_22=1907531383, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L53] COND TRUE (- 3.75) < ((((var_1_20) < (var_1_22)) ? (var_1_20) : (var_1_22))) [L54] var_1_27 = 0 VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=1, var_1_12=7, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=1907531383, var_1_22=1907531383, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L56] EXPR var_1_8 << var_1_4 VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=1, var_1_12=7, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=1907531383, var_1_22=1907531383, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L56] COND TRUE var_1_9 < (var_1_8 << var_1_4) [L57] var_1_10 = (var_1_11 + var_1_12) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=8, var_1_11=1, var_1_12=7, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=1907531383, var_1_22=1907531383, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L61] unsigned char stepLocal_0 = var_1_27; VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=8, var_1_11=1, var_1_12=7, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=1907531383, var_1_22=1907531383, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L62] COND TRUE (var_1_10 <= var_1_10) || stepLocal_0 [L63] var_1_13 = ((((((((var_1_10) > (var_1_10)) ? (var_1_10) : (var_1_10)))) > (var_1_10)) ? (((((var_1_10) > (var_1_10)) ? (var_1_10) : (var_1_10)))) : (var_1_10))) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=8, var_1_11=1, var_1_12=7, var_1_13=8, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=1907531383, var_1_22=1907531383, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L67] unsigned short int stepLocal_1 = var_1_7; VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, stepLocal_1=16383, var_1_10=8, var_1_11=1, var_1_12=7, var_1_13=8, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=1907531383, var_1_22=1907531383, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L68] COND FALSE !(stepLocal_1 == last_1_var_1_24) [L71] var_1_24 = (var_1_10 + (var_1_25 - var_1_11)) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=8, var_1_11=1, var_1_12=7, var_1_13=8, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=1907531383, var_1_22=1907531383, var_1_24=1073741830, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L73] signed long int stepLocal_2 = var_1_19 - var_1_7; VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, stepLocal_2=32767, var_1_10=8, var_1_11=1, var_1_12=7, var_1_13=8, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=1907531383, var_1_22=1907531383, var_1_24=1073741830, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L74] COND FALSE !(var_1_10 > stepLocal_2) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=8, var_1_11=1, var_1_12=7, var_1_13=8, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=1907531383, var_1_22=1907531383, var_1_24=1073741830, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L77] COND TRUE var_1_20 < var_1_20 [L78] var_1_1 = ((((var_1_10) < (var_1_10)) ? (var_1_10) : (var_1_10))) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=8, var_1_11=1, var_1_12=7, var_1_13=8, var_1_17=4, var_1_19=-1074151426, var_1_1=8, var_1_20=1907531383, var_1_22=1907531383, var_1_24=1073741830, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L82] COND TRUE (var_1_20 / var_1_18) > var_1_20 [L83] var_1_17 = ((var_1_19 - ((((var_1_26) > (var_1_12)) ? (var_1_26) : (var_1_12)))) - var_1_7) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=8, var_1_11=1, var_1_12=7, var_1_13=8, var_1_17=32759, var_1_19=-1074151426, var_1_1=8, var_1_20=1907531383, var_1_22=1907531383, var_1_24=1073741830, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L139] RET step() [L140] CALL, EXPR property() [L129] EXPR ((var_1_20 < var_1_20) ? (var_1_1 == ((unsigned short int) ((((var_1_10) < (var_1_10)) ? (var_1_10) : (var_1_10))))) : (var_1_1 == ((unsigned short int) (((var_1_6 + var_1_7) - var_1_10) + var_1_10)))) && ((var_1_9 < (var_1_8 << var_1_4)) ? (var_1_10 == ((unsigned char) (var_1_11 + var_1_12))) : (var_1_10 == ((unsigned char) var_1_11))) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=8, var_1_11=1, var_1_12=7, var_1_13=8, var_1_17=32759, var_1_19=-1074151426, var_1_1=8, var_1_20=1907531383, var_1_22=1907531383, var_1_24=1073741830, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L129-L130] return ((((((((var_1_20 < var_1_20) ? (var_1_1 == ((unsigned short int) ((((var_1_10) < (var_1_10)) ? (var_1_10) : (var_1_10))))) : (var_1_1 == ((unsigned short int) (((var_1_6 + var_1_7) - var_1_10) + var_1_10)))) && ((var_1_9 < (var_1_8 << var_1_4)) ? (var_1_10 == ((unsigned char) (var_1_11 + var_1_12))) : (var_1_10 == ((unsigned char) var_1_11)))) && (((var_1_10 <= var_1_10) || var_1_27) ? (var_1_13 == ((unsigned short int) ((((((((var_1_10) > (var_1_10)) ? (var_1_10) : (var_1_10)))) > (var_1_10)) ? (((((var_1_10) > (var_1_10)) ? (var_1_10) : (var_1_10)))) : (var_1_10))))) : (var_1_13 == ((unsigned short int) var_1_10)))) && (((var_1_20 / var_1_18) > var_1_20) ? (var_1_17 == ((unsigned short int) ((var_1_19 - ((((var_1_26) > (var_1_12)) ? (var_1_26) : (var_1_12)))) - var_1_7))) : 1)) && (last_1_var_1_27 ? (var_1_20 == ((double) (((((((((var_1_21) > (var_1_22)) ? (var_1_21) : (var_1_22)))) > (16.6)) ? (((((var_1_21) > (var_1_22)) ? (var_1_21) : (var_1_22)))) : (16.6))) - var_1_23))) : (var_1_20 == ((double) var_1_22)))) && ((var_1_7 == last_1_var_1_24) ? (var_1_24 == ((unsigned long int) (2332545940u - (1490203111u - var_1_11)))) : (var_1_24 == ((unsigned long int) (var_1_10 + (var_1_25 - var_1_11)))))) && ((var_1_10 > (var_1_19 - var_1_7)) ? (var_1_26 == ((unsigned long int) var_1_10)) : 1)) && (((- 3.75) < ((((var_1_20) < (var_1_22)) ? (var_1_20) : (var_1_22)))) ? (var_1_27 == ((unsigned char) 0)) : 1) ; [L140] RET, EXPR property() [L140] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=8, var_1_11=1, var_1_12=7, var_1_13=8, var_1_17=32759, var_1_19=-1074151426, var_1_1=8, var_1_20=1907531383, var_1_22=1907531383, var_1_24=1073741830, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L19] reach_error() VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=8, var_1_11=1, var_1_12=7, var_1_13=8, var_1_17=32759, var_1_19=-1074151426, var_1_1=8, var_1_20=1907531383, var_1_22=1907531383, var_1_24=1073741830, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.5s, OverallIterations: 4, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 359 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 353 mSDsluCounter, 616 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 357 mSDsCounter, 260 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 560 IncrementalHoareTripleChecker+Invalid, 820 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 260 mSolverCounterUnsat, 259 mSDtfsCounter, 560 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 496 GetRequests, 448 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 453 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=140occurred in iteration=3, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 26 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 906 NumberOfCodeBlocks, 906 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 900 ConstructedInterpolants, 0 QuantifiedInterpolants, 2666 SizeOfPredicates, 4 NumberOfNonLiveVariables, 692 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 5839/6072 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-02-06 01:33:00,549 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-22.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 101fbb34b2498d242822fcc62430a6f25e55677b94935955c435faee9e4e1497 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 01:33:02,849 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 01:33:02,960 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-06 01:33:02,966 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 01:33:02,967 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 01:33:02,989 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 01:33:02,990 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 01:33:02,990 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 01:33:02,991 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 01:33:02,991 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 01:33:02,992 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 01:33:02,992 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 01:33:02,992 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 01:33:02,993 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 01:33:02,993 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 01:33:02,993 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 01:33:02,993 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 01:33:02,993 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 01:33:02,994 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 01:33:02,994 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 01:33:02,994 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 01:33:02,994 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 01:33:02,994 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 01:33:02,995 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-06 01:33:02,995 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-06 01:33:02,995 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-06 01:33:02,995 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 01:33:02,995 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 01:33:02,995 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 01:33:02,995 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 01:33:02,995 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 01:33:02,996 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 01:33:02,996 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 01:33:02,996 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 01:33:02,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 01:33:02,997 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 01:33:02,997 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 01:33:02,997 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 01:33:02,997 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 01:33:02,997 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-06 01:33:02,997 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-06 01:33:02,997 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 01:33:02,997 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 01:33:02,998 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 01:33:02,998 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 01:33:02,998 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 101fbb34b2498d242822fcc62430a6f25e55677b94935955c435faee9e4e1497 [2025-02-06 01:33:03,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 01:33:03,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 01:33:03,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 01:33:03,333 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 01:33:03,333 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 01:33:03,334 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-22.i [2025-02-06 01:33:04,640 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/40a054645/20060578a37b44c6b8df770cf054188f/FLAG79bc96f84 [2025-02-06 01:33:04,895 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 01:33:04,895 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-22.i [2025-02-06 01:33:04,906 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/40a054645/20060578a37b44c6b8df770cf054188f/FLAG79bc96f84 [2025-02-06 01:33:04,923 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/40a054645/20060578a37b44c6b8df770cf054188f [2025-02-06 01:33:04,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 01:33:04,928 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 01:33:04,931 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 01:33:04,931 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 01:33:04,935 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 01:33:04,936 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:33:04" (1/1) ... [2025-02-06 01:33:04,937 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37fa454 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:33:04, skipping insertion in model container [2025-02-06 01:33:04,937 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:33:04" (1/1) ... [2025-02-06 01:33:04,959 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 01:33:05,089 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-22.i[915,928] [2025-02-06 01:33:05,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 01:33:05,189 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 01:33:05,202 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-22.i[915,928] [2025-02-06 01:33:05,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 01:33:05,267 INFO L204 MainTranslator]: Completed translation [2025-02-06 01:33:05,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:33:05 WrapperNode [2025-02-06 01:33:05,269 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 01:33:05,270 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 01:33:05,270 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 01:33:05,270 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 01:33:05,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:33:05" (1/1) ... [2025-02-06 01:33:05,283 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:33:05" (1/1) ... [2025-02-06 01:33:05,314 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 147 [2025-02-06 01:33:05,315 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 01:33:05,316 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 01:33:05,316 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 01:33:05,316 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 01:33:05,324 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:33:05" (1/1) ... [2025-02-06 01:33:05,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:33:05" (1/1) ... [2025-02-06 01:33:05,328 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:33:05" (1/1) ... [2025-02-06 01:33:05,340 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]. [2025-02-06 01:33:05,341 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:33:05" (1/1) ... [2025-02-06 01:33:05,341 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:33:05" (1/1) ... [2025-02-06 01:33:05,350 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:33:05" (1/1) ... [2025-02-06 01:33:05,353 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:33:05" (1/1) ... [2025-02-06 01:33:05,356 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:33:05" (1/1) ... [2025-02-06 01:33:05,357 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:33:05" (1/1) ... [2025-02-06 01:33:05,364 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 01:33:05,365 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 01:33:05,366 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 01:33:05,366 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 01:33:05,367 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:33:05" (1/1) ... [2025-02-06 01:33:05,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 01:33:05,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 01:33:05,402 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 01:33:05,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 01:33:05,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 01:33:05,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-06 01:33:05,432 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 01:33:05,432 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 01:33:05,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 01:33:05,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 01:33:05,499 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 01:33:05,501 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 01:33:18,790 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2025-02-06 01:33:18,791 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 01:33:18,803 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 01:33:18,803 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 01:33:18,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:33:18 BoogieIcfgContainer [2025-02-06 01:33:18,804 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 01:33:18,807 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 01:33:18,807 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 01:33:18,811 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 01:33:18,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 01:33:04" (1/3) ... [2025-02-06 01:33:18,813 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@658a36f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:33:18, skipping insertion in model container [2025-02-06 01:33:18,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:33:05" (2/3) ... [2025-02-06 01:33:18,814 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@658a36f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:33:18, skipping insertion in model container [2025-02-06 01:33:18,814 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:33:18" (3/3) ... [2025-02-06 01:33:18,815 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-22.i [2025-02-06 01:33:18,828 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 01:33:18,830 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-1loop_file-22.i that has 2 procedures, 65 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 01:33:18,880 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 01:33:18,890 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;@21f16b80, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 01:33:18,891 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 01:33:18,894 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 40 states have internal predecessors, (51), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-06 01:33:18,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2025-02-06 01:33:18,909 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 01:33:18,910 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 01:33:18,910 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 01:33:18,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 01:33:18,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1884809346, now seen corresponding path program 1 times [2025-02-06 01:33:18,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 01:33:18,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [663633026] [2025-02-06 01:33:18,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 01:33:18,925 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 [2025-02-06 01:33:18,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-06 01:33:18,927 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/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) [2025-02-06 01:33:18,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-02-06 01:33:19,022 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 148 statements into 1 equivalence classes. [2025-02-06 01:33:19,758 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 148 of 148 statements. [2025-02-06 01:33:19,758 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 01:33:19,758 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 01:33:19,783 INFO L256 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 01:33:19,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 01:33:19,832 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 464 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2025-02-06 01:33:19,833 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 01:33:19,833 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 01:33:19,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [663633026] [2025-02-06 01:33:19,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [663633026] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 01:33:19,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 01:33:19,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 01:33:19,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967700603] [2025-02-06 01:33:19,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 01:33:19,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 01:33:19,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 01:33:19,858 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 01:33:19,859 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 01:33:19,861 INFO L87 Difference]: Start difference. First operand has 65 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 40 states have internal predecessors, (51), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) 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, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-02-06 01:33:19,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 01:33:19,885 INFO L93 Difference]: Finished difference Result 127 states and 214 transitions. [2025-02-06 01:33:19,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 01:33:19,887 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, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 148 [2025-02-06 01:33:19,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 01:33:19,893 INFO L225 Difference]: With dead ends: 127 [2025-02-06 01:33:19,893 INFO L226 Difference]: Without dead ends: 62 [2025-02-06 01:33:19,896 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 01:33:19,900 INFO L435 NwaCegarLoop]: 93 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, 93 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 [2025-02-06 01:33:19,903 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 01:33:19,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2025-02-06 01:33:19,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2025-02-06 01:33:19,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 37 states have internal predecessors, (44), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-06 01:33:19,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 90 transitions. [2025-02-06 01:33:19,954 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 90 transitions. Word has length 148 [2025-02-06 01:33:19,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 01:33:19,955 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 90 transitions. [2025-02-06 01:33:19,955 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, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-02-06 01:33:19,956 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2025-02-06 01:33:19,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2025-02-06 01:33:19,960 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 01:33:19,960 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 01:33:19,984 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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)] Ended with exit code 0 [2025-02-06 01:33:20,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/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 [2025-02-06 01:33:20,161 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 01:33:20,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 01:33:20,162 INFO L85 PathProgramCache]: Analyzing trace with hash -191459778, now seen corresponding path program 1 times [2025-02-06 01:33:20,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 01:33:20,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [177296216] [2025-02-06 01:33:20,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 01:33:20,163 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 [2025-02-06 01:33:20,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-06 01:33:20,165 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/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) [2025-02-06 01:33:20,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-02-06 01:33:20,231 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 148 statements into 1 equivalence classes. [2025-02-06 01:33:20,931 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 148 of 148 statements. [2025-02-06 01:33:20,931 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 01:33:20,932 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 01:33:20,956 INFO L256 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 01:33:20,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 01:33:23,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2025-02-06 01:33:23,853 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 01:33:23,854 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 01:33:23,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [177296216] [2025-02-06 01:33:23,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [177296216] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 01:33:23,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 01:33:23,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 01:33:23,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457312488] [2025-02-06 01:33:23,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 01:33:23,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 01:33:23,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 01:33:23,856 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 01:33:23,856 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 01:33:23,857 INFO L87 Difference]: Start difference. First operand 62 states and 90 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, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2025-02-06 01:33:28,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-06 01:33:28,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 01:33:28,383 INFO L93 Difference]: Finished difference Result 121 states and 177 transitions. [2025-02-06 01:33:28,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 01:33:28,471 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, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 148 [2025-02-06 01:33:28,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 01:33:28,472 INFO L225 Difference]: With dead ends: 121 [2025-02-06 01:33:28,473 INFO L226 Difference]: Without dead ends: 62 [2025-02-06 01:33:28,475 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 01:33:28,475 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 63 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 48 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2025-02-06 01:33:28,476 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 85 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 3 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2025-02-06 01:33:28,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2025-02-06 01:33:28,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2025-02-06 01:33:28,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 37 states have (on average 1.162162162162162) internal successors, (43), 37 states have internal predecessors, (43), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-06 01:33:28,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 89 transitions. [2025-02-06 01:33:28,492 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 89 transitions. Word has length 148 [2025-02-06 01:33:28,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 01:33:28,494 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 89 transitions. [2025-02-06 01:33:28,494 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, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2025-02-06 01:33:28,494 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2025-02-06 01:33:28,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2025-02-06 01:33:28,497 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 01:33:28,498 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 01:33:28,526 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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)] Ended with exit code 0 [2025-02-06 01:33:28,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/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 [2025-02-06 01:33:28,698 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 01:33:28,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 01:33:28,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1316092031, now seen corresponding path program 1 times [2025-02-06 01:33:28,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 01:33:28,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2120605949] [2025-02-06 01:33:28,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 01:33:28,700 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 [2025-02-06 01:33:28,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-06 01:33:28,702 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/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) [2025-02-06 01:33:28,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-02-06 01:33:28,746 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 148 statements into 1 equivalence classes. [2025-02-06 01:33:29,404 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 148 of 148 statements. [2025-02-06 01:33:29,404 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 01:33:29,405 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 01:33:29,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 01:33:29,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 01:33:38,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 338 proven. 102 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2025-02-06 01:33:38,261 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 01:33:41,223 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 01:33:41,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2120605949] [2025-02-06 01:33:41,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2120605949] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 01:33:41,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [11822895] [2025-02-06 01:33:41,223 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 01:33:41,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2025-02-06 01:33:41,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 [2025-02-06 01:33:41,228 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2025-02-06 01:33:41,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2025-02-06 01:33:41,305 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 148 statements into 1 equivalence classes. [2025-02-06 01:33:42,801 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 148 of 148 statements. [2025-02-06 01:33:42,801 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 01:33:42,801 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 01:33:42,811 INFO L256 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 01:33:42,814 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 01:33:47,920 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 318 proven. 54 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2025-02-06 01:33:47,921 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 01:33:49,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [11822895] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 01:33:49,622 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 01:33:49,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 11 [2025-02-06 01:33:49,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862005829] [2025-02-06 01:33:49,623 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 01:33:49,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 01:33:49,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 01:33:49,625 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 01:33:49,625 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=240, Unknown=0, NotChecked=0, Total=342 [2025-02-06 01:33:49,626 INFO L87 Difference]: Start difference. First operand 62 states and 89 transitions. Second operand has 12 states, 12 states have (on average 5.5) internal successors, (66), 11 states have internal predecessors, (66), 3 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2025-02-06 01:33:58,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-06 01:34:03,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-06 01:34:07,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-06 01:34:12,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-06 01:34:16,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-06 01:34:20,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-06 01:34:21,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []