./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-45.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_floatingpointinfluence_no-floats_file-45.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 294b7dcc801896cc0c4607275b340e3835112c15aaaacb8b365f279b8e190761 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 00:35:50,184 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 00:35:50,243 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-06 00:35:50,248 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 00:35:50,251 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 00:35:50,269 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 00:35:50,270 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 00:35:50,270 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 00:35:50,271 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 00:35:50,271 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 00:35:50,271 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 00:35:50,271 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 00:35:50,271 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 00:35:50,271 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 00:35:50,272 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 00:35:50,272 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 00:35:50,272 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 00:35:50,272 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 00:35:50,273 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 00:35:50,273 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 00:35:50,273 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 00:35:50,273 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 00:35:50,273 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 00:35:50,273 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 00:35:50,273 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 00:35:50,273 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 00:35:50,273 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 00:35:50,273 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 00:35:50,273 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 00:35:50,273 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 00:35:50,273 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 00:35:50,274 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 00:35:50,274 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 00:35:50,274 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 00:35:50,274 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 00:35:50,274 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 00:35:50,274 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 00:35:50,274 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 00:35:50,274 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 00:35:50,274 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 00:35:50,274 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 00:35:50,274 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 00:35:50,274 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 00:35:50,274 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 -> 294b7dcc801896cc0c4607275b340e3835112c15aaaacb8b365f279b8e190761 [2025-02-06 00:35:50,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 00:35:50,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 00:35:50,511 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 00:35:50,512 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 00:35:50,512 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 00:35:50,513 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-45.i [2025-02-06 00:35:51,657 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/242192f8b/c3e54559ac224e8694a82d1d3c88ab15/FLAGf0eb5399c [2025-02-06 00:35:51,893 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 00:35:51,895 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-45.i [2025-02-06 00:35:51,925 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/242192f8b/c3e54559ac224e8694a82d1d3c88ab15/FLAGf0eb5399c [2025-02-06 00:35:52,230 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/242192f8b/c3e54559ac224e8694a82d1d3c88ab15 [2025-02-06 00:35:52,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 00:35:52,233 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 00:35:52,234 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 00:35:52,234 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 00:35:52,238 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 00:35:52,238 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 12:35:52" (1/1) ... [2025-02-06 00:35:52,239 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c621b36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:35:52, skipping insertion in model container [2025-02-06 00:35:52,239 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 12:35:52" (1/1) ... [2025-02-06 00:35:52,250 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 00:35:52,330 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_floatingpointinfluence_no-floats_file-45.i[916,929] [2025-02-06 00:35:52,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 00:35:52,372 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 00:35:52,379 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_floatingpointinfluence_no-floats_file-45.i[916,929] [2025-02-06 00:35:52,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 00:35:52,413 INFO L204 MainTranslator]: Completed translation [2025-02-06 00:35:52,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:35:52 WrapperNode [2025-02-06 00:35:52,414 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 00:35:52,415 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 00:35:52,415 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 00:35:52,415 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 00:35:52,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:35:52" (1/1) ... [2025-02-06 00:35:52,433 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:35:52" (1/1) ... [2025-02-06 00:35:52,458 INFO L138 Inliner]: procedures = 26, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 139 [2025-02-06 00:35:52,463 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 00:35:52,463 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 00:35:52,463 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 00:35:52,463 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 00:35:52,469 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:35:52" (1/1) ... [2025-02-06 00:35:52,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:35:52" (1/1) ... [2025-02-06 00:35:52,471 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:35:52" (1/1) ... [2025-02-06 00:35:52,491 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 00:35:52,492 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:35:52" (1/1) ... [2025-02-06 00:35:52,492 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:35:52" (1/1) ... [2025-02-06 00:35:52,497 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:35:52" (1/1) ... [2025-02-06 00:35:52,498 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:35:52" (1/1) ... [2025-02-06 00:35:52,498 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:35:52" (1/1) ... [2025-02-06 00:35:52,499 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:35:52" (1/1) ... [2025-02-06 00:35:52,501 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 00:35:52,502 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 00:35:52,502 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 00:35:52,502 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 00:35:52,503 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:35:52" (1/1) ... [2025-02-06 00:35:52,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 00:35:52,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 00:35:52,538 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 00:35:52,545 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 00:35:52,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 00:35:52,559 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 00:35:52,559 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 00:35:52,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 00:35:52,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 00:35:52,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 00:35:52,627 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 00:35:52,628 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 00:35:52,836 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-02-06 00:35:52,836 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 00:35:52,844 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 00:35:52,844 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 00:35:52,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 12:35:52 BoogieIcfgContainer [2025-02-06 00:35:52,845 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 00:35:52,846 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 00:35:52,846 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 00:35:52,849 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 00:35:52,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 12:35:52" (1/3) ... [2025-02-06 00:35:52,850 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9c09568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 12:35:52, skipping insertion in model container [2025-02-06 00:35:52,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:35:52" (2/3) ... [2025-02-06 00:35:52,850 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9c09568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 12:35:52, skipping insertion in model container [2025-02-06 00:35:52,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 12:35:52" (3/3) ... [2025-02-06 00:35:52,851 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-45.i [2025-02-06 00:35:52,861 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 00:35:52,862 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-45.i that has 2 procedures, 66 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 00:35:52,904 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 00:35:52,914 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;@76e56d51, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 00:35:52,914 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 00:35:52,918 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 35 states have internal predecessors, (43), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-02-06 00:35:52,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2025-02-06 00:35:52,927 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 00:35:52,928 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:35:52,928 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 00:35:52,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 00:35:52,932 INFO L85 PathProgramCache]: Analyzing trace with hash -124152610, now seen corresponding path program 1 times [2025-02-06 00:35:52,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 00:35:52,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766133963] [2025-02-06 00:35:52,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 00:35:52,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 00:35:52,997 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-02-06 00:35:53,015 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-02-06 00:35:53,016 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:35:53,016 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 00:35:53,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 1568 trivial. 0 not checked. [2025-02-06 00:35:53,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 00:35:53,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766133963] [2025-02-06 00:35:53,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766133963] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 00:35:53,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [480046483] [2025-02-06 00:35:53,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 00:35:53,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 00:35:53,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 00:35:53,189 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 00:35:53,191 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 00:35:53,263 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-02-06 00:35:53,349 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-02-06 00:35:53,349 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:35:53,349 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 00:35:53,352 INFO L256 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 00:35:53,363 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 00:35:53,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 1568 trivial. 0 not checked. [2025-02-06 00:35:53,386 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 00:35:53,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [480046483] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 00:35:53,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 00:35:53,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 00:35:53,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664175852] [2025-02-06 00:35:53,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 00:35:53,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 00:35:53,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 00:35:53,405 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 00:35:53,405 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 00:35:53,407 INFO L87 Difference]: Start difference. First operand has 66 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 35 states have internal predecessors, (43), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 2 states have call successors, (29) [2025-02-06 00:35:53,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 00:35:53,425 INFO L93 Difference]: Finished difference Result 126 states and 226 transitions. [2025-02-06 00:35:53,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 00:35:53,426 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 2 states have call successors, (29) Word has length 172 [2025-02-06 00:35:53,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 00:35:53,431 INFO L225 Difference]: With dead ends: 126 [2025-02-06 00:35:53,431 INFO L226 Difference]: Without dead ends: 63 [2025-02-06 00:35:53,434 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 173 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 00:35:53,436 INFO L435 NwaCegarLoop]: 95 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, 95 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 00:35:53,436 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 00:35:53,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2025-02-06 00:35:53,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2025-02-06 00:35:53,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 32 states have (on average 1.15625) internal successors, (37), 32 states have internal predecessors, (37), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-02-06 00:35:53,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 95 transitions. [2025-02-06 00:35:53,466 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 95 transitions. Word has length 172 [2025-02-06 00:35:53,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 00:35:53,467 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 95 transitions. [2025-02-06 00:35:53,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 2 states have call successors, (29) [2025-02-06 00:35:53,467 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 95 transitions. [2025-02-06 00:35:53,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2025-02-06 00:35:53,469 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 00:35:53,470 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:35:53,476 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 00:35:53,670 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 00:35:53,671 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 00:35:53,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 00:35:53,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1711964956, now seen corresponding path program 1 times [2025-02-06 00:35:53,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 00:35:53,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871031350] [2025-02-06 00:35:53,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 00:35:53,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 00:35:53,693 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-02-06 00:35:53,797 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-02-06 00:35:53,797 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:35:53,797 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 00:35:54,578 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 93 proven. 69 refuted. 0 times theorem prover too weak. 1462 trivial. 0 not checked. [2025-02-06 00:35:54,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 00:35:54,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871031350] [2025-02-06 00:35:54,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871031350] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 00:35:54,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [120451130] [2025-02-06 00:35:54,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 00:35:54,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 00:35:54,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 00:35:54,582 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 00:35:54,583 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 00:35:54,630 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-02-06 00:35:54,692 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-02-06 00:35:54,692 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:35:54,692 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 00:35:54,697 INFO L256 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-06 00:35:54,705 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 00:35:55,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 899 proven. 69 refuted. 0 times theorem prover too weak. 656 trivial. 0 not checked. [2025-02-06 00:35:55,250 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 00:35:55,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 93 proven. 72 refuted. 0 times theorem prover too weak. 1459 trivial. 0 not checked. [2025-02-06 00:35:55,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [120451130] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 00:35:55,659 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 00:35:55,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 9] total 15 [2025-02-06 00:35:55,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139595065] [2025-02-06 00:35:55,660 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 00:35:55,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-02-06 00:35:55,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 00:35:55,662 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-02-06 00:35:55,662 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2025-02-06 00:35:55,662 INFO L87 Difference]: Start difference. First operand 63 states and 95 transitions. Second operand has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 15 states have internal predecessors, (53), 3 states have call successors, (42), 3 states have call predecessors, (42), 7 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2025-02-06 00:35:56,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 00:35:56,657 INFO L93 Difference]: Finished difference Result 284 states and 405 transitions. [2025-02-06 00:35:56,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-02-06 00:35:56,658 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 15 states have internal predecessors, (53), 3 states have call successors, (42), 3 states have call predecessors, (42), 7 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 173 [2025-02-06 00:35:56,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 00:35:56,660 INFO L225 Difference]: With dead ends: 284 [2025-02-06 00:35:56,660 INFO L226 Difference]: Without dead ends: 224 [2025-02-06 00:35:56,662 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 342 SyntacticMatches, 2 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 600 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=578, Invalid=1584, Unknown=0, NotChecked=0, Total=2162 [2025-02-06 00:35:56,662 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 183 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 730 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 00:35:56,663 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 452 Invalid, 864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 730 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 00:35:56,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2025-02-06 00:35:56,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 72. [2025-02-06 00:35:56,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 39 states have (on average 1.1282051282051282) internal successors, (44), 39 states have internal predecessors, (44), 29 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-02-06 00:35:56,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 102 transitions. [2025-02-06 00:35:56,690 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 102 transitions. Word has length 173 [2025-02-06 00:35:56,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 00:35:56,692 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 102 transitions. [2025-02-06 00:35:56,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 15 states have internal predecessors, (53), 3 states have call successors, (42), 3 states have call predecessors, (42), 7 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2025-02-06 00:35:56,693 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 102 transitions. [2025-02-06 00:35:56,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2025-02-06 00:35:56,694 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 00:35:56,694 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:35:56,705 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-06 00:35:56,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 00:35:56,895 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 00:35:56,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 00:35:56,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1711041435, now seen corresponding path program 1 times [2025-02-06 00:35:56,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 00:35:56,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798904773] [2025-02-06 00:35:56,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 00:35:56,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 00:35:56,905 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-02-06 00:35:56,951 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-02-06 00:35:56,952 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:35:56,952 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 00:35:58,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2025-02-06 00:35:58,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 00:35:58,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798904773] [2025-02-06 00:35:58,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798904773] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 00:35:58,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 00:35:58,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-02-06 00:35:58,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117634663] [2025-02-06 00:35:58,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 00:35:58,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 00:35:58,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 00:35:58,796 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 00:35:58,796 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-06 00:35:58,796 INFO L87 Difference]: Start difference. First operand 72 states and 102 transitions. Second operand has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2025-02-06 00:35:59,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 00:35:59,244 INFO L93 Difference]: Finished difference Result 102 states and 137 transitions. [2025-02-06 00:35:59,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 00:35:59,245 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 173 [2025-02-06 00:35:59,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 00:35:59,246 INFO L225 Difference]: With dead ends: 102 [2025-02-06 00:35:59,247 INFO L226 Difference]: Without dead ends: 100 [2025-02-06 00:35:59,247 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2025-02-06 00:35:59,248 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 26 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 00:35:59,248 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 526 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 00:35:59,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2025-02-06 00:35:59,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 79. [2025-02-06 00:35:59,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 46 states have (on average 1.1521739130434783) internal successors, (53), 46 states have internal predecessors, (53), 29 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-02-06 00:35:59,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 111 transitions. [2025-02-06 00:35:59,265 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 111 transitions. Word has length 173 [2025-02-06 00:35:59,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 00:35:59,266 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 111 transitions. [2025-02-06 00:35:59,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2025-02-06 00:35:59,266 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 111 transitions. [2025-02-06 00:35:59,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2025-02-06 00:35:59,268 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 00:35:59,268 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:35:59,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 00:35:59,268 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 00:35:59,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 00:35:59,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1683335805, now seen corresponding path program 1 times [2025-02-06 00:35:59,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 00:35:59,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761309383] [2025-02-06 00:35:59,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 00:35:59,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 00:35:59,279 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-02-06 00:35:59,337 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-02-06 00:35:59,337 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:35:59,337 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 00:35:59,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [338876126] [2025-02-06 00:35:59,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 00:35:59,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 00:35:59,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 00:35:59,342 INFO L229 MonitoredProcess]: Starting monitored process 4 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 00:35:59,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-06 00:35:59,382 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-02-06 00:35:59,472 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-02-06 00:35:59,473 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:35:59,473 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 00:35:59,473 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 00:35:59,490 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-02-06 00:35:59,510 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-02-06 00:35:59,510 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:35:59,511 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 00:35:59,583 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 00:35:59,583 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-06 00:35:59,584 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-06 00:35:59,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-06 00:35:59,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 00:35:59,793 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-02-06 00:35:59,865 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 00:35:59,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 12:35:59 BoogieIcfgContainer [2025-02-06 00:35:59,869 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 00:35:59,870 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 00:35:59,870 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 00:35:59,870 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 00:35:59,871 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 12:35:52" (3/4) ... [2025-02-06 00:35:59,872 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-06 00:35:59,872 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 00:35:59,873 INFO L158 Benchmark]: Toolchain (without parser) took 7640.05ms. Allocated memory was 142.6MB in the beginning and 444.6MB in the end (delta: 302.0MB). Free memory was 107.6MB in the beginning and 248.1MB in the end (delta: -140.5MB). Peak memory consumption was 161.9MB. Max. memory is 16.1GB. [2025-02-06 00:35:59,874 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 125.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 00:35:59,874 INFO L158 Benchmark]: CACSL2BoogieTranslator took 180.58ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 94.8MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 00:35:59,874 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.65ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 91.5MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 00:35:59,874 INFO L158 Benchmark]: Boogie Preprocessor took 37.87ms. Allocated memory is still 142.6MB. Free memory was 91.5MB in the beginning and 89.3MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 00:35:59,874 INFO L158 Benchmark]: IcfgBuilder took 343.17ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 69.7MB in the end (delta: 19.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 00:35:59,875 INFO L158 Benchmark]: TraceAbstraction took 7023.09ms. Allocated memory was 142.6MB in the beginning and 444.6MB in the end (delta: 302.0MB). Free memory was 68.6MB in the beginning and 251.6MB in the end (delta: -183.1MB). Peak memory consumption was 111.6MB. Max. memory is 16.1GB. [2025-02-06 00:35:59,875 INFO L158 Benchmark]: Witness Printer took 2.73ms. Allocated memory is still 444.6MB. Free memory was 251.6MB in the beginning and 248.1MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 00:35:59,877 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 125.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 180.58ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 94.8MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.65ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 91.5MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.87ms. Allocated memory is still 142.6MB. Free memory was 91.5MB in the beginning and 89.3MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 343.17ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 69.7MB in the end (delta: 19.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7023.09ms. Allocated memory was 142.6MB in the beginning and 444.6MB in the end (delta: 302.0MB). Free memory was 68.6MB in the beginning and 251.6MB in the end (delta: -183.1MB). Peak memory consumption was 111.6MB. Max. memory is 16.1GB. * Witness Printer took 2.73ms. Allocated memory is still 444.6MB. Free memory was 251.6MB in the beginning and 248.1MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. 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 to_int at line 60, overapproximation of to_int at line 112. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 999999; [L23] unsigned short int var_1_2 = 5; [L24] signed long int var_1_4 = -2; [L25] signed long int var_1_6 = 0; [L26] signed long int var_1_7 = 5; [L27] signed long int var_1_8 = 255; [L28] signed long int var_1_9 = 25; [L29] unsigned char var_1_10 = 0; [L30] signed long int var_1_11 = 0; [L31] unsigned char var_1_12 = 1; [L32] unsigned char var_1_13 = 0; [L33] unsigned char var_1_14 = 0; [L34] unsigned char var_1_15 = 0; [L35] unsigned char var_1_16 = 1; [L36] unsigned char var_1_17 = 1; [L37] unsigned char var_1_18 = 64; [L38] signed char var_1_19 = -10; [L39] unsigned char var_1_20 = 5; [L40] unsigned char last_1_var_1_18 = 64; VAL [isInitial=0, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_2=5, var_1_4=-2, var_1_6=0, var_1_7=5, var_1_8=255, var_1_9=25] [L116] isInitial = 1 [L117] FCALL initially() [L118] COND TRUE 1 [L119] CALL updateLastVariables() [L109] last_1_var_1_18 = var_1_18 VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_2=5, var_1_4=-2, var_1_6=0, var_1_7=5, var_1_8=255, var_1_9=25] [L119] RET updateLastVariables() [L120] CALL updateVariables() [L64] var_1_2 = __VERIFIER_nondet_ushort() [L65] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=-2, var_1_6=0, var_1_7=5, var_1_8=255, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=-2, var_1_6=0, var_1_7=5, var_1_8=255, var_1_9=25] [L65] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=-2, var_1_6=0, var_1_7=5, var_1_8=255, var_1_9=25] [L66] CALL assume_abort_if_not(var_1_2 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=-2, var_1_6=0, var_1_7=5, var_1_8=255, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=-2, var_1_6=0, var_1_7=5, var_1_8=255, var_1_9=25] [L66] RET assume_abort_if_not(var_1_2 <= 65535) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=-2, var_1_6=0, var_1_7=5, var_1_8=255, var_1_9=25] [L67] var_1_4 = __VERIFIER_nondet_long() [L68] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=0, var_1_7=5, var_1_8=255, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=0, var_1_7=5, var_1_8=255, var_1_9=25] [L68] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=0, var_1_7=5, var_1_8=255, var_1_9=25] [L69] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=0, var_1_7=5, var_1_8=255, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=0, var_1_7=5, var_1_8=255, var_1_9=25] [L69] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=0, var_1_7=5, var_1_8=255, var_1_9=25] [L70] var_1_6 = __VERIFIER_nondet_long() [L71] CALL assume_abort_if_not(var_1_6 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=5, var_1_8=255, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=5, var_1_8=255, var_1_9=25] [L71] RET assume_abort_if_not(var_1_6 >= 2147483647) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=5, var_1_8=255, var_1_9=25] [L72] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=5, var_1_8=255, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=5, var_1_8=255, var_1_9=25] [L72] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=5, var_1_8=255, var_1_9=25] [L73] var_1_7 = __VERIFIER_nondet_long() [L74] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=255, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=255, var_1_9=25] [L74] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=255, var_1_9=25] [L75] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=255, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=255, var_1_9=25] [L75] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=255, var_1_9=25] [L76] var_1_8 = __VERIFIER_nondet_long() [L77] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L77] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L78] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L78] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L79] var_1_10 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L80] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_18=64, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L81] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L81] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L82] var_1_11 = __VERIFIER_nondet_long() [L83] CALL assume_abort_if_not(var_1_11 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L83] RET assume_abort_if_not(var_1_11 >= 2147483647) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L84] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L84] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L85] var_1_13 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L86] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L87] CALL assume_abort_if_not(var_1_13 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L87] RET assume_abort_if_not(var_1_13 <= 0) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L88] var_1_14 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L89] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L90] CALL assume_abort_if_not(var_1_14 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L90] RET assume_abort_if_not(var_1_14 <= 0) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L91] var_1_15 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L92] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L93] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L93] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L94] var_1_16 = __VERIFIER_nondet_uchar() [L95] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L95] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L96] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L96] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L97] var_1_17 = __VERIFIER_nondet_uchar() [L98] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L98] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L99] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L99] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L100] var_1_19 = __VERIFIER_nondet_char() [L101] CALL assume_abort_if_not(var_1_19 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L101] RET assume_abort_if_not(var_1_19 >= -128) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L102] CALL assume_abort_if_not(var_1_19 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L102] RET assume_abort_if_not(var_1_19 <= 127) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L103] CALL assume_abort_if_not(var_1_19 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L103] RET assume_abort_if_not(var_1_19 != 0) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=999999, var_1_20=5, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L104] var_1_20 = __VERIFIER_nondet_uchar() [L105] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=999999, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=999999, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L105] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=999999, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L106] CALL assume_abort_if_not(var_1_20 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=999999, var_1_20=31, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=999999, var_1_20=31, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L106] RET assume_abort_if_not(var_1_20 <= 254) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=999999, var_1_20=31, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L120] RET updateVariables() [L121] CALL step() [L44] COND TRUE ((var_1_2 + var_1_4) / var_1_19) != last_1_var_1_18 [L45] var_1_18 = var_1_20 VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=31, var_1_19=2, var_1_1=999999, var_1_20=31, var_1_2=0, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L47] COND TRUE (var_1_18 / 32) < (((((var_1_18 + var_1_18)) < (var_1_18)) ? ((var_1_18 + var_1_18)) : (var_1_18))) [L48] var_1_1 = ((var_1_6 - var_1_7) - var_1_8) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=31, var_1_19=2, var_1_1=0, var_1_20=31, var_1_2=0, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L52] COND TRUE var_1_18 == var_1_18 VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=31, var_1_19=2, var_1_1=0, var_1_20=31, var_1_2=0, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L53] COND FALSE !(\read(var_1_10)) [L56] var_1_12 = (((var_1_8 >= var_1_1) || var_1_15) && ((var_1_13 || var_1_16) && var_1_17)) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=31, var_1_19=2, var_1_1=0, var_1_20=31, var_1_2=0, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=25] [L59] COND TRUE \read(var_1_12) [L60] var_1_9 = (((((var_1_8) < (var_1_6)) ? (var_1_8) : (var_1_6))) - (var_1_11 - 0.8f)) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=31, var_1_19=2, var_1_1=0, var_1_20=31, var_1_2=0, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0] [L121] RET step() [L122] CALL, EXPR property() [L112-L113] return (((((var_1_18 / 32) < (((((var_1_18 + var_1_18)) < (var_1_18)) ? ((var_1_18 + var_1_18)) : (var_1_18)))) ? (var_1_1 == ((signed long int) ((var_1_6 - var_1_7) - var_1_8))) : (var_1_1 == ((signed long int) (var_1_8 - var_1_7)))) && (var_1_12 ? (var_1_9 == ((signed long int) (((((var_1_8) < (var_1_6)) ? (var_1_8) : (var_1_6))) - (var_1_11 - 0.8f)))) : 1)) && ((var_1_18 == var_1_18) ? (var_1_10 ? (var_1_12 == ((unsigned char) (var_1_13 || var_1_14))) : (var_1_12 == ((unsigned char) (((var_1_8 >= var_1_1) || var_1_15) && ((var_1_13 || var_1_16) && var_1_17))))) : 1)) && ((((var_1_2 + var_1_4) / var_1_19) != last_1_var_1_18) ? (var_1_18 == ((unsigned char) var_1_20)) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=31, var_1_19=2, var_1_1=0, var_1_20=31, var_1_2=0, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=19] [L122] RET, EXPR property() [L122] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=31, var_1_19=2, var_1_1=0, var_1_20=31, var_1_2=0, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=19] [L19] reach_error() VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=2147483647, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=31, var_1_19=2, var_1_1=0, var_1_20=31, var_1_2=0, var_1_4=131, var_1_6=2147483647, var_1_7=2147483647, var_1_8=0, var_1_9=19] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.9s, OverallIterations: 4, TraceHistogramMax: 29, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 250 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 209 mSDsluCounter, 1073 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 779 mSDsCounter, 134 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 875 IncrementalHoareTripleChecker+Invalid, 1009 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 134 mSolverCounterUnsat, 294 mSDtfsCounter, 875 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 574 GetRequests, 518 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 606 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=3, InterpolantAutomatonStates: 51, 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, 173 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 1209 NumberOfCodeBlocks, 1209 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1030 ConstructedInterpolants, 0 QuantifiedInterpolants, 3007 SizeOfPredicates, 4 NumberOfNonLiveVariables, 741 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 9478/9744 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 00:35:59,898 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/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_floatingpointinfluence_no-floats_file-45.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 294b7dcc801896cc0c4607275b340e3835112c15aaaacb8b365f279b8e190761 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 00:36:01,673 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 00:36:01,777 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-06 00:36:01,784 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 00:36:01,785 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 00:36:01,809 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 00:36:01,810 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 00:36:01,810 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 00:36:01,810 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 00:36:01,811 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 00:36:01,811 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 00:36:01,811 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 00:36:01,812 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 00:36:01,812 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 00:36:01,812 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 00:36:01,812 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 00:36:01,812 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 00:36:01,813 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 00:36:01,813 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 00:36:01,813 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 00:36:01,813 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 00:36:01,813 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 00:36:01,813 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 00:36:01,813 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-06 00:36:01,813 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-06 00:36:01,813 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-06 00:36:01,813 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 00:36:01,813 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 00:36:01,813 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 00:36:01,814 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 00:36:01,814 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 00:36:01,814 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 00:36:01,814 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 00:36:01,814 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 00:36:01,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 00:36:01,814 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 00:36:01,815 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 00:36:01,815 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 00:36:01,815 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 00:36:01,815 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-06 00:36:01,815 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-06 00:36:01,815 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 00:36:01,815 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 00:36:01,815 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 00:36:01,815 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 00:36:01,815 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 -> 294b7dcc801896cc0c4607275b340e3835112c15aaaacb8b365f279b8e190761 [2025-02-06 00:36:02,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 00:36:02,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 00:36:02,082 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 00:36:02,083 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 00:36:02,084 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 00:36:02,084 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-45.i [2025-02-06 00:36:03,202 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a8c83da87/0e11133d73c946eead2bf7c5ecdce3e3/FLAG1384ff57f [2025-02-06 00:36:03,403 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 00:36:03,404 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-45.i [2025-02-06 00:36:03,412 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a8c83da87/0e11133d73c946eead2bf7c5ecdce3e3/FLAG1384ff57f [2025-02-06 00:36:03,428 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a8c83da87/0e11133d73c946eead2bf7c5ecdce3e3 [2025-02-06 00:36:03,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 00:36:03,433 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 00:36:03,434 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 00:36:03,434 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 00:36:03,437 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 00:36:03,438 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 12:36:03" (1/1) ... [2025-02-06 00:36:03,439 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b066b39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:36:03, skipping insertion in model container [2025-02-06 00:36:03,440 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 12:36:03" (1/1) ... [2025-02-06 00:36:03,456 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 00:36:03,554 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_floatingpointinfluence_no-floats_file-45.i[916,929] [2025-02-06 00:36:03,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 00:36:03,601 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 00:36:03,610 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_floatingpointinfluence_no-floats_file-45.i[916,929] [2025-02-06 00:36:03,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 00:36:03,637 INFO L204 MainTranslator]: Completed translation [2025-02-06 00:36:03,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:36:03 WrapperNode [2025-02-06 00:36:03,639 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 00:36:03,640 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 00:36:03,640 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 00:36:03,640 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 00:36:03,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:36:03" (1/1) ... [2025-02-06 00:36:03,657 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:36:03" (1/1) ... [2025-02-06 00:36:03,671 INFO L138 Inliner]: procedures = 27, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 133 [2025-02-06 00:36:03,672 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 00:36:03,672 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 00:36:03,672 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 00:36:03,672 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 00:36:03,678 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:36:03" (1/1) ... [2025-02-06 00:36:03,678 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:36:03" (1/1) ... [2025-02-06 00:36:03,680 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:36:03" (1/1) ... [2025-02-06 00:36:03,696 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 00:36:03,699 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:36:03" (1/1) ... [2025-02-06 00:36:03,699 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:36:03" (1/1) ... [2025-02-06 00:36:03,708 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:36:03" (1/1) ... [2025-02-06 00:36:03,708 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:36:03" (1/1) ... [2025-02-06 00:36:03,715 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:36:03" (1/1) ... [2025-02-06 00:36:03,715 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:36:03" (1/1) ... [2025-02-06 00:36:03,717 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 00:36:03,722 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 00:36:03,722 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 00:36:03,722 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 00:36:03,723 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:36:03" (1/1) ... [2025-02-06 00:36:03,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 00:36:03,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 00:36:03,753 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 00:36:03,756 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 00:36:03,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 00:36:03,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-06 00:36:03,777 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 00:36:03,777 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 00:36:03,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 00:36:03,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 00:36:03,845 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 00:36:03,847 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 00:36:10,136 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-02-06 00:36:10,136 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 00:36:10,147 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 00:36:10,147 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 00:36:10,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 12:36:10 BoogieIcfgContainer [2025-02-06 00:36:10,148 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 00:36:10,149 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 00:36:10,149 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 00:36:10,152 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 00:36:10,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 12:36:03" (1/3) ... [2025-02-06 00:36:10,153 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cd651b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 12:36:10, skipping insertion in model container [2025-02-06 00:36:10,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:36:03" (2/3) ... [2025-02-06 00:36:10,153 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cd651b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 12:36:10, skipping insertion in model container [2025-02-06 00:36:10,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 12:36:10" (3/3) ... [2025-02-06 00:36:10,154 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-45.i [2025-02-06 00:36:10,164 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 00:36:10,165 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-45.i that has 2 procedures, 66 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 00:36:10,227 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 00:36:10,236 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;@5a346044, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 00:36:10,237 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 00:36:10,240 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 35 states have internal predecessors, (43), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-02-06 00:36:10,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2025-02-06 00:36:10,251 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 00:36:10,252 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:36:10,252 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 00:36:10,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 00:36:10,257 INFO L85 PathProgramCache]: Analyzing trace with hash -124152610, now seen corresponding path program 1 times [2025-02-06 00:36:10,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 00:36:10,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1585749144] [2025-02-06 00:36:10,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 00:36:10,266 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 00:36:10,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-06 00:36:10,269 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 00:36:10,271 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 00:36:10,348 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-02-06 00:36:10,483 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-02-06 00:36:10,484 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:36:10,485 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 00:36:10,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 00:36:10,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 00:36:10,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 644 proven. 0 refuted. 0 times theorem prover too weak. 980 trivial. 0 not checked. [2025-02-06 00:36:10,549 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 00:36:10,550 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 00:36:10,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1585749144] [2025-02-06 00:36:10,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1585749144] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 00:36:10,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 00:36:10,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 00:36:10,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400740604] [2025-02-06 00:36:10,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 00:36:10,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 00:36:10,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 00:36:10,568 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 00:36:10,569 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 00:36:10,570 INFO L87 Difference]: Start difference. First operand has 66 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 35 states have internal predecessors, (43), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2025-02-06 00:36:10,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 00:36:10,588 INFO L93 Difference]: Finished difference Result 126 states and 226 transitions. [2025-02-06 00:36:10,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 00:36:10,590 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 172 [2025-02-06 00:36:10,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 00:36:10,595 INFO L225 Difference]: With dead ends: 126 [2025-02-06 00:36:10,595 INFO L226 Difference]: Without dead ends: 63 [2025-02-06 00:36:10,599 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 171 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 00:36:10,601 INFO L435 NwaCegarLoop]: 95 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, 95 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 00:36:10,603 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 00:36:10,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2025-02-06 00:36:10,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2025-02-06 00:36:10,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 32 states have (on average 1.15625) internal successors, (37), 32 states have internal predecessors, (37), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-02-06 00:36:10,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 95 transitions. [2025-02-06 00:36:10,631 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 95 transitions. Word has length 172 [2025-02-06 00:36:10,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 00:36:10,632 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 95 transitions. [2025-02-06 00:36:10,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2025-02-06 00:36:10,632 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 95 transitions. [2025-02-06 00:36:10,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2025-02-06 00:36:10,634 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 00:36:10,635 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:36:10,642 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 00:36:10,835 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 00:36:10,836 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 00:36:10,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 00:36:10,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1711964956, now seen corresponding path program 1 times [2025-02-06 00:36:10,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 00:36:10,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1703710750] [2025-02-06 00:36:10,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 00:36:10,837 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 00:36:10,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-06 00:36:10,840 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 00:36:10,842 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 00:36:10,897 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-02-06 00:36:11,018 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-02-06 00:36:11,018 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:36:11,018 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 00:36:11,024 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 00:36:11,028 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 00:36:11,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 899 proven. 69 refuted. 0 times theorem prover too weak. 656 trivial. 0 not checked. [2025-02-06 00:36:11,941 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 00:36:12,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 93 proven. 72 refuted. 0 times theorem prover too weak. 1459 trivial. 0 not checked. [2025-02-06 00:36:12,649 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 00:36:12,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1703710750] [2025-02-06 00:36:12,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1703710750] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 00:36:12,649 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 00:36:12,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2025-02-06 00:36:12,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504732431] [2025-02-06 00:36:12,650 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 00:36:12,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-06 00:36:12,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 00:36:12,652 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-06 00:36:12,652 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2025-02-06 00:36:12,653 INFO L87 Difference]: Start difference. First operand 63 states and 95 transitions. Second operand has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 3 states have call successors, (42), 3 states have call predecessors, (42), 7 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2025-02-06 00:36:15,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-06 00:36:18,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.96s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-06 00:36:18,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 00:36:18,832 INFO L93 Difference]: Finished difference Result 211 states and 303 transitions. [2025-02-06 00:36:18,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-02-06 00:36:18,833 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 3 states have call successors, (42), 3 states have call predecessors, (42), 7 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 173 [2025-02-06 00:36:18,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 00:36:18,835 INFO L225 Difference]: With dead ends: 211 [2025-02-06 00:36:18,835 INFO L226 Difference]: Without dead ends: 151 [2025-02-06 00:36:18,836 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 334 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=315, Invalid=741, Unknown=0, NotChecked=0, Total=1056 [2025-02-06 00:36:18,837 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 175 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2025-02-06 00:36:18,837 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 275 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2025-02-06 00:36:18,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2025-02-06 00:36:18,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 72. [2025-02-06 00:36:18,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 39 states have (on average 1.1282051282051282) internal successors, (44), 39 states have internal predecessors, (44), 29 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-02-06 00:36:18,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 102 transitions. [2025-02-06 00:36:18,856 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 102 transitions. Word has length 173 [2025-02-06 00:36:18,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 00:36:18,857 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 102 transitions. [2025-02-06 00:36:18,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 3 states have call successors, (42), 3 states have call predecessors, (42), 7 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2025-02-06 00:36:18,857 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 102 transitions. [2025-02-06 00:36:18,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2025-02-06 00:36:18,862 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 00:36:18,862 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:36:18,870 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 00:36:19,063 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 00:36:19,063 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 00:36:19,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 00:36:19,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1711041435, now seen corresponding path program 1 times [2025-02-06 00:36:19,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 00:36:19,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1917649228] [2025-02-06 00:36:19,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 00:36:19,064 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 00:36:19,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-06 00:36:19,067 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 00:36:19,068 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 00:36:19,099 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-02-06 00:36:19,200 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-02-06 00:36:19,201 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:36:19,201 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 00:36:19,201 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 00:36:19,220 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-02-06 00:36:19,316 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-02-06 00:36:19,316 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:36:19,316 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 00:36:19,325 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2025-02-06 00:36:19,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [626616076] [2025-02-06 00:36:19,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 00:36:19,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2025-02-06 00:36:19,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 [2025-02-06 00:36:19,327 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 00:36:19,329 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 00:36:19,376 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-02-06 00:36:19,707 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-02-06 00:36:19,707 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:36:19,707 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 00:36:19,710 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-06 00:36:19,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 00:36:40,212 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-02-06 00:36:48,381 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-02-06 00:36:56,488 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-02-06 00:37:04,582 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-02-06 00:37:21,506 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)