./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-52.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-52.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 19096ca86d86acc30d8aed0bf6308f75bb4310aad7abc911bc202c5b0fcfab1c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 10:56:58,364 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 10:56:58,466 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 10:56:58,472 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 10:56:58,475 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 10:56:58,503 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 10:56:58,504 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 10:56:58,504 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 10:56:58,505 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 10:56:58,505 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 10:56:58,505 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 10:56:58,506 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 10:56:58,506 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 10:56:58,506 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 10:56:58,507 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 10:56:58,507 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 10:56:58,508 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 10:56:58,508 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 10:56:58,508 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 10:56:58,509 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 10:56:58,509 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 10:56:58,514 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 10:56:58,515 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 10:56:58,515 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 10:56:58,515 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 10:56:58,515 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 10:56:58,516 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 10:56:58,516 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 10:56:58,516 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 10:56:58,517 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 10:56:58,517 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 10:56:58,518 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 10:56:58,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 10:56:58,518 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 10:56:58,519 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 10:56:58,519 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 10:56:58,519 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 10:56:58,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 10:56:58,520 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 10:56:58,520 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 10:56:58,520 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 10:56:58,520 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 10:56:58,520 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19096ca86d86acc30d8aed0bf6308f75bb4310aad7abc911bc202c5b0fcfab1c [2024-10-11 10:56:58,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 10:56:58,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 10:56:58,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 10:56:58,811 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 10:56:58,811 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 10:56:58,813 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-52.i [2024-10-11 10:57:00,293 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 10:57:00,482 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 10:57:00,483 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-52.i [2024-10-11 10:57:00,491 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/43221d2cc/91f7ed4c3d6f4de29278732655e60555/FLAGef4ca0abf [2024-10-11 10:57:00,860 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/43221d2cc/91f7ed4c3d6f4de29278732655e60555 [2024-10-11 10:57:00,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 10:57:00,864 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 10:57:00,866 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 10:57:00,866 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 10:57:00,871 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 10:57:00,872 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 10:57:00" (1/1) ... [2024-10-11 10:57:00,873 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@691bee5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:57:00, skipping insertion in model container [2024-10-11 10:57:00,873 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 10:57:00" (1/1) ... [2024-10-11 10:57:00,909 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 10:57:01,089 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-52.i[916,929] [2024-10-11 10:57:01,130 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 10:57:01,162 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 10:57:01,182 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-52.i[916,929] [2024-10-11 10:57:01,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 10:57:01,246 INFO L204 MainTranslator]: Completed translation [2024-10-11 10:57:01,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:57:01 WrapperNode [2024-10-11 10:57:01,246 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 10:57:01,247 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 10:57:01,248 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 10:57:01,248 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 10:57:01,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:57:01" (1/1) ... [2024-10-11 10:57:01,259 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:57:01" (1/1) ... [2024-10-11 10:57:01,289 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 148 [2024-10-11 10:57:01,289 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 10:57:01,290 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 10:57:01,290 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 10:57:01,290 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 10:57:01,301 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:57:01" (1/1) ... [2024-10-11 10:57:01,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:57:01" (1/1) ... [2024-10-11 10:57:01,304 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:57:01" (1/1) ... [2024-10-11 10:57:01,320 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 10:57:01,320 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:57:01" (1/1) ... [2024-10-11 10:57:01,321 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:57:01" (1/1) ... [2024-10-11 10:57:01,331 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:57:01" (1/1) ... [2024-10-11 10:57:01,337 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:57:01" (1/1) ... [2024-10-11 10:57:01,338 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:57:01" (1/1) ... [2024-10-11 10:57:01,344 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:57:01" (1/1) ... [2024-10-11 10:57:01,347 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 10:57:01,348 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 10:57:01,348 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 10:57:01,349 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 10:57:01,350 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:57:01" (1/1) ... [2024-10-11 10:57:01,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 10:57:01,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 10:57:01,388 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 10:57:01,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 10:57:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 10:57:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 10:57:01,442 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 10:57:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 10:57:01,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 10:57:01,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 10:57:01,537 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 10:57:01,540 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 10:57:01,804 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-10-11 10:57:01,806 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 10:57:01,834 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 10:57:01,834 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 10:57:01,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 10:57:01 BoogieIcfgContainer [2024-10-11 10:57:01,837 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 10:57:01,839 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 10:57:01,839 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 10:57:01,843 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 10:57:01,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 10:57:00" (1/3) ... [2024-10-11 10:57:01,844 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@472f249c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 10:57:01, skipping insertion in model container [2024-10-11 10:57:01,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:57:01" (2/3) ... [2024-10-11 10:57:01,845 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@472f249c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 10:57:01, skipping insertion in model container [2024-10-11 10:57:01,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 10:57:01" (3/3) ... [2024-10-11 10:57:01,846 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-52.i [2024-10-11 10:57:01,866 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 10:57:01,866 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 10:57:01,920 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 10:57:01,927 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;@176f5f8e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 10:57:01,927 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 10:57:01,932 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 10:57:01,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-10-11 10:57:01,947 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:57:01,948 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:57:01,949 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:57:01,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:57:01,954 INFO L85 PathProgramCache]: Analyzing trace with hash 451954842, now seen corresponding path program 1 times [2024-10-11 10:57:01,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:57:01,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142015716] [2024-10-11 10:57:01,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:57:01,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:57:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:57:02,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:57:02,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:57:02,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:57:02,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:57:02,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:57:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:57:02,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:57:02,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:57:02,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:57:02,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:57:02,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:57:02,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:57:02,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:57:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:57:02,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:57:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:57:02,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:57:02,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:57:02,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:57:02,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:57:02,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:57:02,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:57:02,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:57:02,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:57:02,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:57:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:57:02,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:57:02,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:57:02,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:57:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:57:02,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:57:02,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:57:02,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:57:02,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:57:02,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:57:02,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:57:02,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:57:02,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:57:02,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:57:02,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:57:02,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:57:02,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:57:02,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:57:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:57:02,447 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-11 10:57:02,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:57:02,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142015716] [2024-10-11 10:57:02,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142015716] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:57:02,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:57:02,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 10:57:02,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97893878] [2024-10-11 10:57:02,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:57:02,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 10:57:02,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:57:02,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 10:57:02,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 10:57:02,497 INFO L87 Difference]: Start difference. First operand has 61 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-10-11 10:57:02,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:57:02,548 INFO L93 Difference]: Finished difference Result 119 states and 210 transitions. [2024-10-11 10:57:02,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 10:57:02,551 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 132 [2024-10-11 10:57:02,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:57:02,560 INFO L225 Difference]: With dead ends: 119 [2024-10-11 10:57:02,561 INFO L226 Difference]: Without dead ends: 59 [2024-10-11 10:57:02,564 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 10:57:02,568 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 10:57:02,569 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 10:57:02,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-10-11 10:57:02,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-10-11 10:57:02,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 35 states have internal predecessors, (46), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 10:57:02,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 90 transitions. [2024-10-11 10:57:02,614 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 90 transitions. Word has length 132 [2024-10-11 10:57:02,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:57:02,614 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 90 transitions. [2024-10-11 10:57:02,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-10-11 10:57:02,615 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 90 transitions. [2024-10-11 10:57:02,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-10-11 10:57:02,623 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:57:02,623 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:57:02,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 10:57:02,624 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:57:02,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:57:02,625 INFO L85 PathProgramCache]: Analyzing trace with hash 770671066, now seen corresponding path program 1 times [2024-10-11 10:57:02,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:57:02,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951818332] [2024-10-11 10:57:02,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:57:02,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:57:02,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 10:57:02,890 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-11 10:57:02,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 10:57:03,053 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-11 10:57:03,055 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-11 10:57:03,057 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 10:57:03,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 10:57:03,065 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-11 10:57:03,165 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 10:57:03,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 10:57:03 BoogieIcfgContainer [2024-10-11 10:57:03,170 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 10:57:03,171 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 10:57:03,171 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 10:57:03,171 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 10:57:03,172 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 10:57:01" (3/4) ... [2024-10-11 10:57:03,174 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-11 10:57:03,175 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 10:57:03,176 INFO L158 Benchmark]: Toolchain (without parser) took 2311.50ms. Allocated memory was 169.9MB in the beginning and 222.3MB in the end (delta: 52.4MB). Free memory was 112.4MB in the beginning and 159.4MB in the end (delta: -46.9MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2024-10-11 10:57:03,176 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 96.5MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 10:57:03,177 INFO L158 Benchmark]: CACSL2BoogieTranslator took 381.23ms. Allocated memory is still 169.9MB. Free memory was 112.4MB in the beginning and 138.1MB in the end (delta: -25.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-11 10:57:03,177 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.06ms. Allocated memory is still 169.9MB. Free memory was 137.5MB in the beginning and 135.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 10:57:03,178 INFO L158 Benchmark]: Boogie Preprocessor took 57.45ms. Allocated memory is still 169.9MB. Free memory was 135.4MB in the beginning and 132.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 10:57:03,178 INFO L158 Benchmark]: RCFGBuilder took 488.53ms. Allocated memory is still 169.9MB. Free memory was 132.6MB in the beginning and 113.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-11 10:57:03,180 INFO L158 Benchmark]: TraceAbstraction took 1331.16ms. Allocated memory was 169.9MB in the beginning and 222.3MB in the end (delta: 52.4MB). Free memory was 113.0MB in the beginning and 159.4MB in the end (delta: -46.4MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2024-10-11 10:57:03,180 INFO L158 Benchmark]: Witness Printer took 4.59ms. Allocated memory is still 222.3MB. Free memory is still 159.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 10:57:03,183 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 96.5MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 381.23ms. Allocated memory is still 169.9MB. Free memory was 112.4MB in the beginning and 138.1MB in the end (delta: -25.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.06ms. Allocated memory is still 169.9MB. Free memory was 137.5MB in the beginning and 135.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.45ms. Allocated memory is still 169.9MB. Free memory was 135.4MB in the beginning and 132.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 488.53ms. Allocated memory is still 169.9MB. Free memory was 132.6MB in the beginning and 113.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1331.16ms. Allocated memory was 169.9MB in the beginning and 222.3MB in the end (delta: 52.4MB). Free memory was 113.0MB in the beginning and 159.4MB in the end (delta: -46.4MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Witness Printer took 4.59ms. Allocated memory is still 222.3MB. Free memory is still 159.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 102. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -4; [L23] signed short int var_1_3 = 32; [L24] signed short int var_1_4 = -1; [L25] unsigned char var_1_5 = 1; [L26] unsigned char var_1_6 = 0; [L27] unsigned char var_1_7 = 0; [L28] unsigned char var_1_8 = 1; [L29] unsigned char var_1_9 = 0; [L30] signed long int var_1_10 = 25; [L31] signed long int var_1_11 = 256; [L32] signed long int var_1_12 = 0; [L33] signed long int var_1_13 = 31; [L34] signed long int var_1_14 = 256; [L35] unsigned long int var_1_15 = 8; [L36] unsigned char var_1_16 = 16; [L106] isInitial = 1 [L107] FCALL initially() [L108] COND TRUE 1 [L109] FCALL updateLastVariables() [L110] CALL updateVariables() [L65] var_1_3 = __VERIFIER_nondet_short() [L66] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L66] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L67] CALL assume_abort_if_not(var_1_3 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L67] RET assume_abort_if_not(var_1_3 <= 32766) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L68] var_1_4 = __VERIFIER_nondet_short() [L69] CALL assume_abort_if_not(var_1_4 >= -16383) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L69] RET assume_abort_if_not(var_1_4 >= -16383) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L70] CALL assume_abort_if_not(var_1_4 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L70] RET assume_abort_if_not(var_1_4 <= 16383) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L71] var_1_6 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_7=0, var_1_8=1, var_1_9=0] [L72] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_7=0, var_1_8=1, var_1_9=0] [L73] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L73] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L74] var_1_7 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_7 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L75] RET assume_abort_if_not(var_1_7 >= 1) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L76] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L76] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L77] var_1_8 = __VERIFIER_nondet_uchar() [L78] CALL assume_abort_if_not(var_1_8 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L78] RET assume_abort_if_not(var_1_8 >= 1) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L79] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L79] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L80] var_1_9 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1] [L81] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1] [L82] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L82] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L83] var_1_11 = __VERIFIER_nondet_long() [L84] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L84] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=25, var_1_11=0, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L85] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L85] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, var_1_10=25, var_1_11=0, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L86] var_1_12 = __VERIFIER_nondet_long() [L87] CALL assume_abort_if_not(var_1_12 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L87] RET assume_abort_if_not(var_1_12 >= 2147483647) VAL [isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L88] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L88] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L89] var_1_13 = __VERIFIER_nondet_long() [L90] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=2147483646, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=2147483646, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L90] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=2147483646, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L91] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=2147483646, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=2147483646, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L91] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=2147483646, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L92] var_1_14 = __VERIFIER_nondet_long() [L93] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=2147483646, var_1_14=0, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=2147483646, var_1_14=0, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L93] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=2147483646, var_1_14=0, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L94] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=2147483646, var_1_14=0, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=2147483646, var_1_14=0, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L94] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=2147483646, var_1_14=0, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L95] var_1_16 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=2147483646, var_1_14=0, var_1_15=8, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=2147483646, var_1_14=0, var_1_15=8, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L96] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=2147483646, var_1_14=0, var_1_15=8, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L97] CALL assume_abort_if_not(var_1_16 <= 30) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=2147483646, var_1_14=0, var_1_15=8, var_1_16=30, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=2147483646, var_1_14=0, var_1_15=8, var_1_16=30, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L97] RET assume_abort_if_not(var_1_16 <= 30) VAL [isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=2147483646, var_1_14=0, var_1_15=8, var_1_16=30, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L110] RET updateVariables() [L111] CALL step() [L40] signed short int stepLocal_0 = var_1_3; VAL [isInitial=1, stepLocal_0=0, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=2147483646, var_1_14=0, var_1_15=8, var_1_16=30, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L41] COND FALSE !(stepLocal_0 > ((var_1_4 / -256) * 32)) [L48] var_1_5 = var_1_9 VAL [isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=2147483646, var_1_14=0, var_1_15=8, var_1_16=30, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L50] COND TRUE \read(var_1_7) [L51] var_1_10 = (var_1_11 - (((((var_1_12 - var_1_13)) > (var_1_14)) ? ((var_1_12 - var_1_13)) : (var_1_14)))) VAL [isInitial=1, var_1_10=-1, var_1_11=0, var_1_12=2147483647, var_1_13=2147483646, var_1_14=0, var_1_15=8, var_1_16=30, var_1_1=-4, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L53] COND TRUE var_1_10 < 63.75 [L54] var_1_1 = (10 - var_1_3) VAL [isInitial=1, var_1_10=-1, var_1_11=0, var_1_12=2147483647, var_1_13=2147483646, var_1_14=0, var_1_15=8, var_1_16=30, var_1_1=10, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L58] COND FALSE !(! (var_1_13 < (127.125 / var_1_12))) VAL [isInitial=1, var_1_10=-1, var_1_11=0, var_1_12=2147483647, var_1_13=2147483646, var_1_14=0, var_1_15=8, var_1_16=30, var_1_1=10, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L111] RET step() [L112] CALL, EXPR property() [L102] EXPR ((((var_1_10 < 63.75) ? (var_1_1 == ((signed short int) (10 - var_1_3))) : (var_1_1 == ((signed short int) (4 + var_1_4)))) && ((var_1_3 > ((var_1_4 / -256) * 32)) ? (var_1_6 ? (var_1_5 == ((unsigned char) (! (var_1_7 && var_1_8)))) : (var_1_5 == ((unsigned char) var_1_8))) : (var_1_5 == ((unsigned char) var_1_9)))) && (var_1_7 ? (var_1_10 == ((signed long int) (var_1_11 - (((((var_1_12 - var_1_13)) > (var_1_14)) ? ((var_1_12 - var_1_13)) : (var_1_14)))))) : 1)) && ((! (var_1_13 < (127.125 / var_1_12))) ? ((var_1_1 <= ((var_1_4 * var_1_3) + (-2 << var_1_16))) ? (var_1_15 == ((unsigned long int) var_1_3)) : 1) : 1) VAL [isInitial=1, var_1_10=-1, var_1_11=0, var_1_12=2147483647, var_1_13=2147483646, var_1_14=0, var_1_15=8, var_1_16=30, var_1_1=10, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L102-L103] return ((((var_1_10 < 63.75) ? (var_1_1 == ((signed short int) (10 - var_1_3))) : (var_1_1 == ((signed short int) (4 + var_1_4)))) && ((var_1_3 > ((var_1_4 / -256) * 32)) ? (var_1_6 ? (var_1_5 == ((unsigned char) (! (var_1_7 && var_1_8)))) : (var_1_5 == ((unsigned char) var_1_8))) : (var_1_5 == ((unsigned char) var_1_9)))) && (var_1_7 ? (var_1_10 == ((signed long int) (var_1_11 - (((((var_1_12 - var_1_13)) > (var_1_14)) ? ((var_1_12 - var_1_13)) : (var_1_14)))))) : 1)) && ((! (var_1_13 < (127.125 / var_1_12))) ? ((var_1_1 <= ((var_1_4 * var_1_3) + (-2 << var_1_16))) ? (var_1_15 == ((unsigned long int) var_1_3)) : 1) : 1) ; [L112] RET, EXPR property() [L112] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=-1, var_1_11=0, var_1_12=2147483647, var_1_13=2147483646, var_1_14=0, var_1_15=8, var_1_16=30, var_1_1=10, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L19] reach_error() VAL [isInitial=1, var_1_10=-1, var_1_11=0, var_1_12=2147483647, var_1_13=2147483646, var_1_14=0, var_1_15=8, var_1_16=30, var_1_1=10, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 87 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 87 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 264 NumberOfCodeBlocks, 264 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 131 ConstructedInterpolants, 0 QuantifiedInterpolants, 131 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 924/924 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-11 10:57:03,223 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-52.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 19096ca86d86acc30d8aed0bf6308f75bb4310aad7abc911bc202c5b0fcfab1c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 10:57:05,518 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 10:57:05,596 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-11 10:57:05,605 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 10:57:05,606 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 10:57:05,643 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 10:57:05,647 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 10:57:05,647 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 10:57:05,648 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 10:57:05,648 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 10:57:05,649 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 10:57:05,650 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 10:57:05,650 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 10:57:05,651 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 10:57:05,653 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 10:57:05,654 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 10:57:05,654 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 10:57:05,654 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 10:57:05,655 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 10:57:05,655 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 10:57:05,655 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 10:57:05,659 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 10:57:05,660 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 10:57:05,660 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-11 10:57:05,660 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-11 10:57:05,660 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 10:57:05,661 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-11 10:57:05,661 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 10:57:05,661 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 10:57:05,661 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 10:57:05,662 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 10:57:05,662 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 10:57:05,662 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 10:57:05,663 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 10:57:05,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 10:57:05,677 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 10:57:05,678 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 10:57:05,678 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 10:57:05,678 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-11 10:57:05,678 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-11 10:57:05,678 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 10:57:05,679 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 10:57:05,679 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 10:57:05,680 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 10:57:05,680 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-11 10:57:05,680 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19096ca86d86acc30d8aed0bf6308f75bb4310aad7abc911bc202c5b0fcfab1c [2024-10-11 10:57:06,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 10:57:06,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 10:57:06,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 10:57:06,066 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 10:57:06,066 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 10:57:06,068 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-52.i [2024-10-11 10:57:07,605 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 10:57:07,838 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 10:57:07,839 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-52.i [2024-10-11 10:57:07,855 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/cddef8833/9b7ebb421c6146b6a4a5f439b18d6e20/FLAG9b5f5b887 [2024-10-11 10:57:07,876 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/cddef8833/9b7ebb421c6146b6a4a5f439b18d6e20 [2024-10-11 10:57:07,879 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 10:57:07,880 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 10:57:07,883 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 10:57:07,883 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 10:57:07,889 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 10:57:07,890 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 10:57:07" (1/1) ... [2024-10-11 10:57:07,891 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6971dd9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:57:07, skipping insertion in model container [2024-10-11 10:57:07,891 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 10:57:07" (1/1) ... [2024-10-11 10:57:07,921 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 10:57:08,119 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-52.i[916,929] [2024-10-11 10:57:08,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 10:57:08,199 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 10:57:08,212 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-52.i[916,929] [2024-10-11 10:57:08,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 10:57:08,264 INFO L204 MainTranslator]: Completed translation [2024-10-11 10:57:08,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:57:08 WrapperNode [2024-10-11 10:57:08,265 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 10:57:08,266 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 10:57:08,266 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 10:57:08,266 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 10:57:08,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:57:08" (1/1) ... [2024-10-11 10:57:08,289 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:57:08" (1/1) ... [2024-10-11 10:57:08,317 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2024-10-11 10:57:08,317 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 10:57:08,318 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 10:57:08,318 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 10:57:08,318 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 10:57:08,329 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:57:08" (1/1) ... [2024-10-11 10:57:08,329 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:57:08" (1/1) ... [2024-10-11 10:57:08,333 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:57:08" (1/1) ... [2024-10-11 10:57:08,352 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 10:57:08,352 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:57:08" (1/1) ... [2024-10-11 10:57:08,356 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:57:08" (1/1) ... [2024-10-11 10:57:08,366 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:57:08" (1/1) ... [2024-10-11 10:57:08,373 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:57:08" (1/1) ... [2024-10-11 10:57:08,377 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:57:08" (1/1) ... [2024-10-11 10:57:08,381 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:57:08" (1/1) ... [2024-10-11 10:57:08,384 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 10:57:08,389 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 10:57:08,389 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 10:57:08,389 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 10:57:08,390 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:57:08" (1/1) ... [2024-10-11 10:57:08,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 10:57:08,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 10:57:08,425 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 10:57:08,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 10:57:08,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 10:57:08,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-11 10:57:08,480 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 10:57:08,481 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 10:57:08,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 10:57:08,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 10:57:08,568 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 10:57:08,571 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 10:57:21,536 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-11 10:57:21,536 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 10:57:21,582 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 10:57:21,582 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 10:57:21,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 10:57:21 BoogieIcfgContainer [2024-10-11 10:57:21,583 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 10:57:21,589 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 10:57:21,589 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 10:57:21,594 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 10:57:21,595 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 10:57:07" (1/3) ... [2024-10-11 10:57:21,596 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@770c5017 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 10:57:21, skipping insertion in model container [2024-10-11 10:57:21,596 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:57:08" (2/3) ... [2024-10-11 10:57:21,598 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@770c5017 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 10:57:21, skipping insertion in model container [2024-10-11 10:57:21,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 10:57:21" (3/3) ... [2024-10-11 10:57:21,599 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-52.i [2024-10-11 10:57:21,616 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 10:57:21,617 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 10:57:21,714 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 10:57:21,724 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;@16ce9109, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 10:57:21,724 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 10:57:21,729 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 27 states have (on average 1.4074074074074074) internal successors, (38), 28 states have internal predecessors, (38), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 10:57:21,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-10-11 10:57:21,743 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:57:21,744 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:57:21,744 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:57:21,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:57:21,751 INFO L85 PathProgramCache]: Analyzing trace with hash -772877256, now seen corresponding path program 1 times [2024-10-11 10:57:21,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 10:57:21,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [849787653] [2024-10-11 10:57:21,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:57:21,768 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 10:57:21,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 10:57:21,771 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 10:57:21,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-11 10:57:22,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:57:22,564 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 10:57:22,587 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 10:57:43,504 WARN L286 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-11 10:57:51,836 WARN L286 SmtUtils]: Spent 8.33s 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) [2024-10-11 10:58:00,217 WARN L286 SmtUtils]: Spent 8.38s 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) [2024-10-11 10:58:08,597 WARN L286 SmtUtils]: Spent 8.38s 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) [2024-10-11 10:58:16,966 WARN L286 SmtUtils]: Spent 8.37s 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) [2024-10-11 10:58:25,359 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-11 10:58:33,742 WARN L286 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)